ipv6: introduction - mikrotikmum.mikrotik.com/presentations/hu11/ipv6-introduction.pdf · ipv6:...
TRANSCRIPT
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IPv6: Introduction
IPv6: Introduction
Bart lomiej RodekBartosz Mazurczyk
Inter Projekt S.A.IDEA4PRO Sp. z o.o.
10 March 2011, Budapest
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IPv6: Introduction
Outline
1 Introduction to IPv6
2 RouterOS IPv6 support
3 Routing protocols
4 How to start
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IPv6: Introduction
Introduction to IPv6
Introduction to IPv6
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IPv6: Introduction
Introduction to IPv6
Puproses of IPv6 design
The IPv4 address space is too small.Along with extended address space size there are introduced somenew capabilities and improvements.
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IPv6: Introduction
Introduction to IPv6
Main advantages of the new protocol
Extended addressing capabilies
Extended address space (128bit against 32bit in IPv4)New type of addresses - anycastMulticast addresses have ,,scope” field
Header format simplification - faster processing in mostcommon cases
No checksums in IPv6 headerOptional fields are moved to the extension headers
Privacy and authentication
Authentication Header is not any longer optionalSupport for ESP
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IPv6: Introduction
Introduction to IPv6
Main advantages of the new protocol
Extended addressing capabilies
Extended address space (128bit against 32bit in IPv4)
New type of addresses - anycastMulticast addresses have ,,scope” field
Header format simplification - faster processing in mostcommon cases
No checksums in IPv6 headerOptional fields are moved to the extension headers
Privacy and authentication
Authentication Header is not any longer optionalSupport for ESP
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![Page 7: IPv6: Introduction - MikroTikmum.mikrotik.com/presentations/HU11/ipv6-introduction.pdf · IPv6: Introduction Introduction to IPv6 Main advantages of the new protocol Extended addressing](https://reader035.vdocuments.us/reader035/viewer/2022062607/6054836df57eb44d4a6340a4/html5/thumbnails/7.jpg)
IPv6: Introduction
Introduction to IPv6
Main advantages of the new protocol
Extended addressing capabilies
Extended address space (128bit against 32bit in IPv4)New type of addresses - anycast
Multicast addresses have ,,scope” field
Header format simplification - faster processing in mostcommon cases
No checksums in IPv6 headerOptional fields are moved to the extension headers
Privacy and authentication
Authentication Header is not any longer optionalSupport for ESP
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![Page 8: IPv6: Introduction - MikroTikmum.mikrotik.com/presentations/HU11/ipv6-introduction.pdf · IPv6: Introduction Introduction to IPv6 Main advantages of the new protocol Extended addressing](https://reader035.vdocuments.us/reader035/viewer/2022062607/6054836df57eb44d4a6340a4/html5/thumbnails/8.jpg)
IPv6: Introduction
Introduction to IPv6
Main advantages of the new protocol
Extended addressing capabilies
Extended address space (128bit against 32bit in IPv4)New type of addresses - anycastMulticast addresses have ,,scope” field
Header format simplification - faster processing in mostcommon cases
No checksums in IPv6 headerOptional fields are moved to the extension headers
Privacy and authentication
Authentication Header is not any longer optionalSupport for ESP
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![Page 9: IPv6: Introduction - MikroTikmum.mikrotik.com/presentations/HU11/ipv6-introduction.pdf · IPv6: Introduction Introduction to IPv6 Main advantages of the new protocol Extended addressing](https://reader035.vdocuments.us/reader035/viewer/2022062607/6054836df57eb44d4a6340a4/html5/thumbnails/9.jpg)
IPv6: Introduction
Introduction to IPv6
Main advantages of the new protocol
Extended addressing capabilies
Extended address space (128bit against 32bit in IPv4)New type of addresses - anycastMulticast addresses have ,,scope” field
Header format simplification - faster processing in mostcommon cases
No checksums in IPv6 headerOptional fields are moved to the extension headers
Privacy and authentication
Authentication Header is not any longer optionalSupport for ESP
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![Page 10: IPv6: Introduction - MikroTikmum.mikrotik.com/presentations/HU11/ipv6-introduction.pdf · IPv6: Introduction Introduction to IPv6 Main advantages of the new protocol Extended addressing](https://reader035.vdocuments.us/reader035/viewer/2022062607/6054836df57eb44d4a6340a4/html5/thumbnails/10.jpg)
IPv6: Introduction
Introduction to IPv6
Main advantages of the new protocol
Extended addressing capabilies
Extended address space (128bit against 32bit in IPv4)New type of addresses - anycastMulticast addresses have ,,scope” field
Header format simplification - faster processing in mostcommon cases
No checksums in IPv6 header
Optional fields are moved to the extension headers
Privacy and authentication
Authentication Header is not any longer optionalSupport for ESP
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![Page 11: IPv6: Introduction - MikroTikmum.mikrotik.com/presentations/HU11/ipv6-introduction.pdf · IPv6: Introduction Introduction to IPv6 Main advantages of the new protocol Extended addressing](https://reader035.vdocuments.us/reader035/viewer/2022062607/6054836df57eb44d4a6340a4/html5/thumbnails/11.jpg)
IPv6: Introduction
Introduction to IPv6
Main advantages of the new protocol
Extended addressing capabilies
Extended address space (128bit against 32bit in IPv4)New type of addresses - anycastMulticast addresses have ,,scope” field
Header format simplification - faster processing in mostcommon cases
No checksums in IPv6 headerOptional fields are moved to the extension headers
Privacy and authentication
Authentication Header is not any longer optionalSupport for ESP
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![Page 12: IPv6: Introduction - MikroTikmum.mikrotik.com/presentations/HU11/ipv6-introduction.pdf · IPv6: Introduction Introduction to IPv6 Main advantages of the new protocol Extended addressing](https://reader035.vdocuments.us/reader035/viewer/2022062607/6054836df57eb44d4a6340a4/html5/thumbnails/12.jpg)
IPv6: Introduction
Introduction to IPv6
Main advantages of the new protocol
Extended addressing capabilies
Extended address space (128bit against 32bit in IPv4)New type of addresses - anycastMulticast addresses have ,,scope” field
Header format simplification - faster processing in mostcommon cases
No checksums in IPv6 headerOptional fields are moved to the extension headers
Privacy and authentication
Authentication Header is not any longer optionalSupport for ESP
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![Page 13: IPv6: Introduction - MikroTikmum.mikrotik.com/presentations/HU11/ipv6-introduction.pdf · IPv6: Introduction Introduction to IPv6 Main advantages of the new protocol Extended addressing](https://reader035.vdocuments.us/reader035/viewer/2022062607/6054836df57eb44d4a6340a4/html5/thumbnails/13.jpg)
IPv6: Introduction
Introduction to IPv6
Main advantages of the new protocol
Extended addressing capabilies
Extended address space (128bit against 32bit in IPv4)New type of addresses - anycastMulticast addresses have ,,scope” field
Header format simplification - faster processing in mostcommon cases
No checksums in IPv6 headerOptional fields are moved to the extension headers
Privacy and authentication
Authentication Header is not any longer optional
Support for ESP
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![Page 14: IPv6: Introduction - MikroTikmum.mikrotik.com/presentations/HU11/ipv6-introduction.pdf · IPv6: Introduction Introduction to IPv6 Main advantages of the new protocol Extended addressing](https://reader035.vdocuments.us/reader035/viewer/2022062607/6054836df57eb44d4a6340a4/html5/thumbnails/14.jpg)
IPv6: Introduction
Introduction to IPv6
Main advantages of the new protocol
Extended addressing capabilies
Extended address space (128bit against 32bit in IPv4)New type of addresses - anycastMulticast addresses have ,,scope” field
Header format simplification - faster processing in mostcommon cases
No checksums in IPv6 headerOptional fields are moved to the extension headers
Privacy and authentication
Authentication Header is not any longer optionalSupport for ESP
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![Page 15: IPv6: Introduction - MikroTikmum.mikrotik.com/presentations/HU11/ipv6-introduction.pdf · IPv6: Introduction Introduction to IPv6 Main advantages of the new protocol Extended addressing](https://reader035.vdocuments.us/reader035/viewer/2022062607/6054836df57eb44d4a6340a4/html5/thumbnails/15.jpg)
IPv6: Introduction
Introduction to IPv6
Address space
IPv4 address space (32 bits):232 = 4294967296 addresses
IPv6 address space (128 bits):2128 = 340282366920938463463374607431768211456addresses
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IPv6: Introduction
Introduction to IPv6
IPv6 Header Format
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IPv6: Introduction
Introduction to IPv6
IPv6 Header Format
IPv6 header fields explained:
Version 4-bit Internet Protocol number = 6Traffic Class 8-bit traffic class fieldFlow Label 20-bit flow labelPayload Length Length of the payloadNext Header 8-bit identificator of the next headerHop Limit 8-bit field. Equivalent for TTL from IPv4Source Address 128-bit originator addressesDestination Address 128-bit recipent address
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IPv6: Introduction
Introduction to IPv6
IPv6 addresses
128bit length
Hexadecimal notation - every two bytes are separated by ,,:”sign
Three types of addresses:
UnicastMulticastAnycast
Note:
There is no broadcast address in IPv6. It’s replaced by multicastaddress ,,all nodes on link”
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IPv6: Introduction
Introduction to IPv6
IPv6 addresses
128bit length
Hexadecimal notation - every two bytes are separated by ,,:”sign
Three types of addresses:
UnicastMulticastAnycast
Note:
There is no broadcast address in IPv6. It’s replaced by multicastaddress ,,all nodes on link”
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![Page 20: IPv6: Introduction - MikroTikmum.mikrotik.com/presentations/HU11/ipv6-introduction.pdf · IPv6: Introduction Introduction to IPv6 Main advantages of the new protocol Extended addressing](https://reader035.vdocuments.us/reader035/viewer/2022062607/6054836df57eb44d4a6340a4/html5/thumbnails/20.jpg)
IPv6: Introduction
Introduction to IPv6
IPv6 addresses
128bit length
Hexadecimal notation - every two bytes are separated by ,,:”sign
Three types of addresses:
UnicastMulticastAnycast
Note:
There is no broadcast address in IPv6. It’s replaced by multicastaddress ,,all nodes on link”
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![Page 21: IPv6: Introduction - MikroTikmum.mikrotik.com/presentations/HU11/ipv6-introduction.pdf · IPv6: Introduction Introduction to IPv6 Main advantages of the new protocol Extended addressing](https://reader035.vdocuments.us/reader035/viewer/2022062607/6054836df57eb44d4a6340a4/html5/thumbnails/21.jpg)
IPv6: Introduction
Introduction to IPv6
IPv6 addresses
128bit length
Hexadecimal notation - every two bytes are separated by ,,:”sign
Three types of addresses:
Unicast
MulticastAnycast
Note:
There is no broadcast address in IPv6. It’s replaced by multicastaddress ,,all nodes on link”
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![Page 22: IPv6: Introduction - MikroTikmum.mikrotik.com/presentations/HU11/ipv6-introduction.pdf · IPv6: Introduction Introduction to IPv6 Main advantages of the new protocol Extended addressing](https://reader035.vdocuments.us/reader035/viewer/2022062607/6054836df57eb44d4a6340a4/html5/thumbnails/22.jpg)
IPv6: Introduction
Introduction to IPv6
IPv6 addresses
128bit length
Hexadecimal notation - every two bytes are separated by ,,:”sign
Three types of addresses:
UnicastMulticast
Anycast
Note:
There is no broadcast address in IPv6. It’s replaced by multicastaddress ,,all nodes on link”
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IPv6: Introduction
Introduction to IPv6
IPv6 addresses
128bit length
Hexadecimal notation - every two bytes are separated by ,,:”sign
Three types of addresses:
UnicastMulticastAnycast
Note:
There is no broadcast address in IPv6. It’s replaced by multicastaddress ,,all nodes on link”
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![Page 24: IPv6: Introduction - MikroTikmum.mikrotik.com/presentations/HU11/ipv6-introduction.pdf · IPv6: Introduction Introduction to IPv6 Main advantages of the new protocol Extended addressing](https://reader035.vdocuments.us/reader035/viewer/2022062607/6054836df57eb44d4a6340a4/html5/thumbnails/24.jpg)
IPv6: Introduction
Introduction to IPv6
IPv6 addresses
128bit length
Hexadecimal notation - every two bytes are separated by ,,:”sign
Three types of addresses:
UnicastMulticastAnycast
Note:
There is no broadcast address in IPv6. It’s replaced by multicastaddress ,,all nodes on link”
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IPv6: Introduction
Introduction to IPv6
Notation of IPv6 address
128bit IPv6 address is represented by 8 groups of hexadecimaldigits separated by colon.
Example of global unicast IPv6 address:
2001:06a0:0176:0010:0000:0000:0000:0234
Leading zeros:
All leading zeroes can be ommited:2001:6a0:176:10:0000:0000:0000:234
Group of four zeroes:
All groups of four zeroes can be shorten to double colon:2001:6a0:176:10::234 (it’s still the same address)
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IPv6: Introduction
Introduction to IPv6
Notation of IPv6 address
128bit IPv6 address is represented by 8 groups of hexadecimaldigits separated by colon.
Example of global unicast IPv6 address:
2001:06a0:0176:0010:0000:0000:0000:0234
Leading zeros:
All leading zeroes can be ommited:2001:6a0:176:10:0000:0000:0000:234
Group of four zeroes:
All groups of four zeroes can be shorten to double colon:2001:6a0:176:10::234 (it’s still the same address)
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![Page 27: IPv6: Introduction - MikroTikmum.mikrotik.com/presentations/HU11/ipv6-introduction.pdf · IPv6: Introduction Introduction to IPv6 Main advantages of the new protocol Extended addressing](https://reader035.vdocuments.us/reader035/viewer/2022062607/6054836df57eb44d4a6340a4/html5/thumbnails/27.jpg)
IPv6: Introduction
Introduction to IPv6
Notation of IPv6 address
128bit IPv6 address is represented by 8 groups of hexadecimaldigits separated by colon.
Example of global unicast IPv6 address:
2001:06a0:0176:0010:0000:0000:0000:0234
Leading zeros:
All leading zeroes can be ommited:2001:6a0:176:10:0000:0000:0000:234
Group of four zeroes:
All groups of four zeroes can be shorten to double colon:2001:6a0:176:10::234 (it’s still the same address)
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![Page 28: IPv6: Introduction - MikroTikmum.mikrotik.com/presentations/HU11/ipv6-introduction.pdf · IPv6: Introduction Introduction to IPv6 Main advantages of the new protocol Extended addressing](https://reader035.vdocuments.us/reader035/viewer/2022062607/6054836df57eb44d4a6340a4/html5/thumbnails/28.jpg)
IPv6: Introduction
Introduction to IPv6
Notation of IPv6 address
128bit IPv6 address is represented by 8 groups of hexadecimaldigits separated by colon.
Example of global unicast IPv6 address:
2001:06a0:0176:0010:0000:0000:0000:0234
Leading zeros:
All leading zeroes can be ommited:2001:6a0:176:10:0000:0000:0000:234
Group of four zeroes:
All groups of four zeroes can be shorten to double colon:2001:6a0:176:10::234 (it’s still the same address)
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IPv6: Introduction
Introduction to IPv6
Global unicast address
Network portion
Prefix - globally routeable prefix assigned to the siteSubnet - identifies subnet within the site
Host portion
Interface ID - unique identifier (within the site) of the interface(host)
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IPv6: Introduction
Introduction to IPv6
Global unicast address
Network portion
Prefix - globally routeable prefix assigned to the site
Subnet - identifies subnet within the site
Host portion
Interface ID - unique identifier (within the site) of the interface(host)
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IPv6: Introduction
Introduction to IPv6
Global unicast address
Network portion
Prefix - globally routeable prefix assigned to the siteSubnet - identifies subnet within the site
Host portion
Interface ID - unique identifier (within the site) of the interface(host)
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IPv6: Introduction
Introduction to IPv6
Global unicast address
Network portion
Prefix - globally routeable prefix assigned to the siteSubnet - identifies subnet within the site
Host portion
Interface ID - unique identifier (within the site) of the interface(host)
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IPv6: Introduction
Introduction to IPv6
Global unicast address
Network portion
Prefix - globally routeable prefix assigned to the siteSubnet - identifies subnet within the site
Host portion
Interface ID - unique identifier (within the site) of the interface(host)
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IPv6: Introduction
Introduction to IPv6
Global unicast address
example prefix: 2001:6a0:176::/48Registry prefix ICANN to RIRa 2001::/12
ISP prefix RIR to ISP or LIR 2001:6a0::/32
Site prefix ISP to customer 2001:6a0:176::/48
Subnet prefix admin for link 2001:6a0:176:10::/64
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IPv6: Introduction
Introduction to IPv6
Interface ID
64 bits length
manualy configured
assigned by DHCP
auto-assigned from 48-bit MAC address (EUI-64)seventh bit of first part of MAC reversed + FFFE + secondpart of MAC address00:34:56:78:9A:BC will be changed to 0234:56FF:FE78:9ABC
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IPv6: Introduction
Introduction to IPv6
Interface ID
64 bits length
manualy configured
assigned by DHCP
auto-assigned from 48-bit MAC address (EUI-64)seventh bit of first part of MAC reversed + FFFE + secondpart of MAC address00:34:56:78:9A:BC will be changed to 0234:56FF:FE78:9ABC
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IPv6: Introduction
Introduction to IPv6
Interface ID
64 bits length
manualy configured
assigned by DHCP
auto-assigned from 48-bit MAC address (EUI-64)seventh bit of first part of MAC reversed + FFFE + secondpart of MAC address00:34:56:78:9A:BC will be changed to 0234:56FF:FE78:9ABC
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IPv6: Introduction
Introduction to IPv6
Interface ID
64 bits length
manualy configured
assigned by DHCP
auto-assigned from 48-bit MAC address (EUI-64)seventh bit of first part of MAC reversed + FFFE + secondpart of MAC address00:34:56:78:9A:BC will be changed to 0234:56FF:FE78:9ABC
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IPv6: Introduction
Introduction to IPv6
IPv6 and VLSM
Do you need it at all?
Note:
In worst case you should get /48 prefix. It means you have 16 bitsfor subnets and 64 bits for interface id. I think it’s enough. Do youthink? If you have 65536 subnets available even point-to-pointlinks can be addressed as /64.
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IPv6: Introduction
Introduction to IPv6
IPv6 and VLSM
Do you need it at all?
Note:
In worst case you should get /48 prefix. It means you have 16 bitsfor subnets and 64 bits for interface id. I think it’s enough. Do youthink? If you have 65536 subnets available even point-to-pointlinks can be addressed as /64.
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IPv6: Introduction
Introduction to IPv6
IPv6 and VLSM
Do you need it at all?
Note:
In worst case you should get /48 prefix. It means you have 16 bitsfor subnets and 64 bits for interface id. I think it’s enough. Do youthink? If you have 65536 subnets available even point-to-pointlinks can be addressed as /64.
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IPv6: Introduction
Introduction to IPv6
Multicast addresses
Multicast prefix begins from ffxy where y is a scope of the address.Some widely used scopes:
ffx2::/16 - link-local - this packets might not be routed toanywhere
ffx5::/16 - site-local - packets restricted to the local physicalnetwork
ffxe::/16 - global scope - it can be routed through the Internet
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IPv6: Introduction
Introduction to IPv6
Multicast addresses
Well know multicast IPv6 addresses:
ff02::1 - all nodes on the local network segement (equivalentof the IPv4 broadcast address)
ff02::2 - all routers on the local network segment
ff02::5 - AllSPF routers (OSPFv3)
ff02::6 - AllDR routers (OSPFv3)
ff02::9 - RIP routers
ff05::1 - all nodes on the local network site
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IPv6: Introduction
Introduction to IPv6
Link-local addresses
fe80::/10
valid only on a single link
autoassigned
not routable in the Internet
can be uesd as next hop
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IPv6: Introduction
Introduction to IPv6
Link-local addresses
fe80::/10
valid only on a single link
autoassigned
not routable in the Internet
can be uesd as next hop
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IPv6: Introduction
Introduction to IPv6
Link-local addresses
fe80::/10
valid only on a single link
autoassigned
not routable in the Internet
can be uesd as next hop
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IPv6: Introduction
Introduction to IPv6
Link-local addresses
fe80::/10
valid only on a single link
autoassigned
not routable in the Internet
can be uesd as next hop
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IPv6: Introduction
Introduction to IPv6
Link-local addresses
fe80::/10
valid only on a single link
autoassigned
not routable in the Internet
can be uesd as next hop
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IPv6: Introduction
Introduction to IPv6
Other special address types
Unspecified address:0:0:0:0:0:0:0:0/128 (or ::/128)
Loopbak address:0:0:0:0:0:0:0:1/128 (::1/128)
Link-local:fe80::/10
Address reserved for documentation purposes:2001:db8::/32
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IPv6: Introduction
Introduction to IPv6
Why you don’t need DHCP (at last in some cases)
One of the integral part of IPv6 is stateless auto-configuration.Host (node) is able to configure IPv6 global address by itself. Thismeans that in most cases you don’t need DHCP.The stateless auto-configuration is performed in two main steps:
Link-local address generation
Global unicast address generation
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IPv6: Introduction
Introduction to IPv6
Link-local assignment
1 Host is turned on,it generateslink-local address
2 DAD is performed- host sendsNeighborSolicitationmessage to allnodes
3 If no response -generated addressis unique andaddress is assignedto the host
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IPv6: Introduction
Introduction to IPv6
Link-local assignment
1 Host is turned on,it generateslink-local address
2 DAD is performed- host sendsNeighborSolicitationmessage to allnodes
3 If no response -generated addressis unique andaddress is assignedto the host
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IPv6: Introduction
Introduction to IPv6
Link-local assignment
1 Host is turned on,it generateslink-local address
2 DAD is performed- host sendsNeighborSolicitationmessage to allnodes
3 If no response -generated addressis unique andaddress is assignedto the host
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IPv6: Introduction
Introduction to IPv6
Global unicast assignment
1 Host sends RouterSolicitationmessage to allrouters
2 Router replys withRouterAdvertisementmessage
3 Host learns theglobal prefix, newaddress isgenerated,performs DAD andassignement
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IPv6: Introduction
Introduction to IPv6
Global unicast assignment
1 Host sends RouterSolicitationmessage to allrouters
2 Router replys withRouterAdvertisementmessage
3 Host learns theglobal prefix, newaddress isgenerated,performs DAD andassignement
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IPv6: Introduction
Introduction to IPv6
Global unicast assignment
1 Host sends RouterSolicitationmessage to allrouters
2 Router replys withRouterAdvertisementmessage
3 Host learns theglobal prefix, newaddress isgenerated,performs DAD andassignement
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IPv6: Introduction
Introduction to IPv6
IPv6 and NAT
There’s no NAT in IPv6 (howewer it is being discussed1).But, hey, you don’t need NAT...
1https://datatracker.ietf.org/doc/draft-mrw-nat66/22 / 73
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IPv6: Introduction
RouterOS IPv6 support
RouterOS IPv6 support
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IPv6: Introduction
RouterOS IPv6 support
RouterOS services and protocols
MikroTik RouterOS currently supports:
Addressing and routing
Stateless autoconfiguration
Neighbor Discovery Protocol
Tunneling IPv6 over IPv4 (6to4 interface)
Extension headers handling in Firewall (in limited form)
IPSec since 5.0rc8 version
Winbox, telnet, SSH, ping, traceroute
Routing protocols RIPng, OSPFv3, BGP-MP
DNS and WebProxy
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IPv6: Introduction
RouterOS IPv6 support
RouterOS services and protocols
MikroTik RouterOS currently supports:
Addressing and routing
Stateless autoconfiguration
Neighbor Discovery Protocol
Tunneling IPv6 over IPv4 (6to4 interface)
Extension headers handling in Firewall (in limited form)
IPSec since 5.0rc8 version
Winbox, telnet, SSH, ping, traceroute
Routing protocols RIPng, OSPFv3, BGP-MP
DNS and WebProxy
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IPv6: Introduction
RouterOS IPv6 support
RouterOS services and protocols
MikroTik RouterOS currently supports:
Addressing and routing
Stateless autoconfiguration
Neighbor Discovery Protocol
Tunneling IPv6 over IPv4 (6to4 interface)
Extension headers handling in Firewall (in limited form)
IPSec since 5.0rc8 version
Winbox, telnet, SSH, ping, traceroute
Routing protocols RIPng, OSPFv3, BGP-MP
DNS and WebProxy
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IPv6: Introduction
RouterOS IPv6 support
RouterOS services and protocols
MikroTik RouterOS currently supports:
Addressing and routing
Stateless autoconfiguration
Neighbor Discovery Protocol
Tunneling IPv6 over IPv4 (6to4 interface)
Extension headers handling in Firewall (in limited form)
IPSec since 5.0rc8 version
Winbox, telnet, SSH, ping, traceroute
Routing protocols RIPng, OSPFv3, BGP-MP
DNS and WebProxy
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IPv6: Introduction
RouterOS IPv6 support
RouterOS services and protocols
MikroTik RouterOS currently supports:
Addressing and routing
Stateless autoconfiguration
Neighbor Discovery Protocol
Tunneling IPv6 over IPv4 (6to4 interface)
Extension headers handling in Firewall (in limited form)
IPSec since 5.0rc8 version
Winbox, telnet, SSH, ping, traceroute
Routing protocols RIPng, OSPFv3, BGP-MP
DNS and WebProxy
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IPv6: Introduction
RouterOS IPv6 support
RouterOS services and protocols
MikroTik RouterOS currently supports:
Addressing and routing
Stateless autoconfiguration
Neighbor Discovery Protocol
Tunneling IPv6 over IPv4 (6to4 interface)
Extension headers handling in Firewall (in limited form)
IPSec since 5.0rc8 version
Winbox, telnet, SSH, ping, traceroute
Routing protocols RIPng, OSPFv3, BGP-MP
DNS and WebProxy
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IPv6: Introduction
RouterOS IPv6 support
RouterOS services and protocols
MikroTik RouterOS currently supports:
Addressing and routing
Stateless autoconfiguration
Neighbor Discovery Protocol
Tunneling IPv6 over IPv4 (6to4 interface)
Extension headers handling in Firewall (in limited form)
IPSec since 5.0rc8 version
Winbox, telnet, SSH, ping, traceroute
Routing protocols RIPng, OSPFv3, BGP-MP
DNS and WebProxy
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IPv6: Introduction
RouterOS IPv6 support
RouterOS services and protocols
MikroTik RouterOS currently supports:
Addressing and routing
Stateless autoconfiguration
Neighbor Discovery Protocol
Tunneling IPv6 over IPv4 (6to4 interface)
Extension headers handling in Firewall (in limited form)
IPSec since 5.0rc8 version
Winbox, telnet, SSH, ping, traceroute
Routing protocols RIPng, OSPFv3, BGP-MP
DNS and WebProxy
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IPv6: Introduction
RouterOS IPv6 support
RouterOS services and protocols
MikroTik RouterOS currently supports:
Addressing and routing
Stateless autoconfiguration
Neighbor Discovery Protocol
Tunneling IPv6 over IPv4 (6to4 interface)
Extension headers handling in Firewall (in limited form)
IPSec since 5.0rc8 version
Winbox, telnet, SSH, ping, traceroute
Routing protocols RIPng, OSPFv3, BGP-MP
DNS and WebProxy
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IPv6: Introduction
RouterOS IPv6 support
RouterOS services and protocols
MikroTik RouterOS currently supports:
Addressing and routing
Stateless autoconfiguration
Neighbor Discovery Protocol
Tunneling IPv6 over IPv4 (6to4 interface)
Extension headers handling in Firewall (in limited form)
IPSec since 5.0rc8 version
Winbox, telnet, SSH, ping, traceroute
Routing protocols RIPng, OSPFv3, BGP-MP
DNS and WebProxy
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IPv6: Introduction
RouterOS IPv6 support
What’s in plans
To be done in the nearest future:
DHCP server
Policy Routing
Multicast Routing
Pools
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IPv6: Introduction
RouterOS IPv6 support
What’s in plans
To be done in the nearest future:
DHCP server
Policy Routing
Multicast Routing
Pools
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IPv6: Introduction
RouterOS IPv6 support
What’s in plans
To be done in the nearest future:
DHCP server
Policy Routing
Multicast Routing
Pools
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IPv6: Introduction
RouterOS IPv6 support
What’s in plans
To be done in the nearest future:
DHCP server
Policy Routing
Multicast Routing
Pools
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IPv6: Introduction
RouterOS IPv6 support
MikroTik RouterOS and IPv6
Make sure you have ipv6 package installed, if you plan to userouting protocols you need also the routing package
[admin@MikroTik] > system package print
Flags: X - disabled
# NAME VERSION SCHEDULED
...
5 security 5.0rc10
6 routing 5.0rc10
7 ipv6 5.0rc10
8 advanced-tools 5.0rc10
9 wireless 5.0rc10
...
[admin@MikroTik] >
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IPv6: Introduction
RouterOS IPv6 support
Static addressing and routing
Adding and printing the IPv6 address:
[admin@MikroTik] > ipv6 address add address=2001:6a0:176:1::2/64\
interface=sit1 advertise=no
[admin@MikroTik] > ipv6 address print
Flags: X - disabled, I - invalid, D - dynamic, G - global, L - link-local
# ADDRESS INTERFACE ADVERTISE
0 G 2001:6a0:176:1::2/64 sit1 no
1 G 2001:6a0:176:10::1/64 ether3 no
...
10 DL fe80::20c:42ff:fe21:c053/64 ether3 no
Adding a default route:
[admin@MikroTik] > ipv6 route add dst-address=:: gateway=2001:6a0:176:1::1
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IPv6: Introduction
RouterOS IPv6 support
Static addressing and routing
Adding and printing the IPv6 address:
[admin@MikroTik] > ipv6 address add address=2001:6a0:176:1::2/64\
interface=sit1 advertise=no
[admin@MikroTik] > ipv6 address print
Flags: X - disabled, I - invalid, D - dynamic, G - global, L - link-local
# ADDRESS INTERFACE ADVERTISE
0 G 2001:6a0:176:1::2/64 sit1 no
1 G 2001:6a0:176:10::1/64 ether3 no
...
10 DL fe80::20c:42ff:fe21:c053/64 ether3 no
Adding a default route:
[admin@MikroTik] > ipv6 route add dst-address=:: gateway=2001:6a0:176:1::1
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IPv6: Introduction
RouterOS IPv6 support
IPv6 routing table
Routing table for new version of the IP protocol:
[admin@MikroTik] > ipv6 route print
Flags: X - disabled, A - active, D - dynamic,
C - connect, S - static, r - rip, o - ospf, b - bgp, U - unreachable
# DST-ADDRESS GATEWAY DISTANCE
0 ADo ::/0 fe80::5be0:8e04%sit1 110
1 ADC 2001:6a0:176:1::/64 sit1 0
2 ADC 2001:6a0:176:2::/64 ether2 0
3 ADo 2001:6a0:176:4::/64 fe80::20c:42ff:fe38:9... 110
...
8 ADo 2001:6a0:200:bd::/64 fe80::5be0:8e04%sit1 110
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IPv6: Introduction
RouterOS IPv6 support
IPv6 routing table
Routing table for new version of the IP protocol:
[admin@MikroTik] > ipv6 route print
Flags: X - disabled, A - active, D - dynamic,
C - connect, S - static, r - rip, o - ospf, b - bgp, U - unreachable
# DST-ADDRESS GATEWAY DISTANCE
0 ADo ::/0 fe80::5be0:8e04%sit1 110
1 ADC 2001:6a0:176:1::/64 sit1 0
2 ADC 2001:6a0:176:2::/64 ether2 0
3 ADo 2001:6a0:176:4::/64 fe80::20c:42ff:fe38:9... 110
...
8 ADo 2001:6a0:200:bd::/64 fe80::5be0:8e04%sit1 110
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IPv6: Introduction
RouterOS IPv6 support
RouterOS services ready for IPv6
sshtelnet:[root@cor(pts/0)] telnet stargate
Trying 2001:6a0:176:1::2...
Connected to stargate
Escape character is ’^]’.
Password:
ftp:[root@cor(pts/0)] ftp 2001:6a0:176:1::2
Connected to 2001:6a0:176:1::2.
220 stargate FTP server (MikroTik 5.0rc10) ready
Name (2001:6a0:176:1::2:root):
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IPv6: Introduction
RouterOS IPv6 support
WinBox and IPv6
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IPv6: Introduction
RouterOS IPv6 support
IPv6 Firewall filter and mangle
Most of the matchers in filter remain the same
There is new matcher header - you can match by extensionheader type: hop, dst, route, frag, ah, esp and proto.
[admin@MikroTik] > ipv6 firewall filter add chain=input action=accept \
protocol=tcp src-address=2001:6a0:176::/48 dst-port=22
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IPv6: Introduction
RouterOS IPv6 support
Dual stack RouterOS
[admin@MikroTik] > ping 2001:838:2:1::30:67
HOST SIZE TTL TIME STATUS
2001:838:2:1::30:67 56 50 254ms echo reply
2001:838:2:1::30:67 56 50 370ms echo reply
sent=2 received=2 packet-loss=0% min-rtt=254ms avg-rtt=312ms
max-rtt=370ms
[admin@MikroTik] > ping 4.2.2.2
HOST SIZE TTL TIME STATUS
4.2.2.2 56 245 47ms
4.2.2.2 56 245 37ms
4.2.2.2 56 245 36ms
4.2.2.2 56 245 79ms
sent=4 received=4 packet-loss=0% min-rtt=36ms avg-rtt=49ms max-rtt=79ms
[admin@MikroTik] >
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IPv6: Introduction
Routing protocols
Routing protocols
RIPng
OSPFv3
BGP
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IPv6: Introduction
Routing protocols
RIPng
IPv6 implementation of RIP protocol
Same advantages and disadvantages as RIP
slow convergence timetemporary loops16 hop limitdoes not scale well
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IPv6: Introduction
Routing protocols
RIPng
IPv6 implementation of RIP protocol
Same advantages and disadvantages as RIP
slow convergence time
temporary loops16 hop limitdoes not scale well
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IPv6: Introduction
Routing protocols
RIPng
IPv6 implementation of RIP protocol
Same advantages and disadvantages as RIP
slow convergence timetemporary loops
16 hop limitdoes not scale well
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IPv6: Introduction
Routing protocols
RIPng
IPv6 implementation of RIP protocol
Same advantages and disadvantages as RIP
slow convergence timetemporary loops16 hop limit
does not scale well
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IPv6: Introduction
Routing protocols
RIPng
IPv6 implementation of RIP protocol
Same advantages and disadvantages as RIP
slow convergence timetemporary loops16 hop limitdoes not scale well
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IPv6: Introduction
Routing protocols
Differences from previous versions
No authentication!
easier to configure (no network command, it’s just interface)
uses multicast address ff02::9
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IPv6: Introduction
Routing protocols
Differences from previous versions
No authentication!
easier to configure (no network command, it’s just interface)
uses multicast address ff02::9
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IPv6: Introduction
Routing protocols
Differences from previous versions
No authentication!
easier to configure (no network command, it’s just interface)
uses multicast address ff02::9
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IPv6: Introduction
Routing protocols
RIPng example - Topology
Simple topology for RIPng and OSPFv3 examples:
Lo0 interfaces are bridges without ports.
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IPv6: Introduction
Routing protocols
RIPng example
Routing table before enabling RIPng on R1
[admin@R1] > ipv6 route print
Flags: X - disabled, A - active, D - dynamic,
C - connect, S - static, r - rip, o - ospf, b - bgp, U - unreachable
# DST-ADDRESS GATEWAY DISTANCE
0 ADC 2001:1::/64 loopback0 0
1 ADC 2001:12::/64 ether1 0
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IPv6: Introduction
Routing protocols
RIPng example
Routing table before enabling RIPng on R2
[admin@R2] > ipv6 route print
Flags: X - disabled, A - active, D - dynamic,
C - connect, S - static, r - rip, o - ospf, b - bgp, U - unreachable
# DST-ADDRESS GATEWAY DISTANCE
0 ADC 2001:2::/64 loopback0 0
1 ADC 2001:12::/64 ether1 0
2 ADC 2001:23::/64 ether2 0
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IPv6: Introduction
Routing protocols
RIPng example
Routing table before enabling RIPng on R3
[admin@R2] > ipv6 route print
Flags: X - disabled, A - active, D - dynamic,
C - connect, S - static, r - rip, o - ospf, b - bgp, U - unreachable
# DST-ADDRESS GATEWAY DISTANCE
0 ADC 2001:2::/64 loopback0 0
1 ADC 2001:12::/64 ether1 0
2 ADC 2001:23::/64 ether2 0
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IPv6: Introduction
Routing protocols
RIPng example
Let’s enable RIPng
[admin@R1] > routing ripng interface add interface=ether1
[admin@R1] > routing ripng interface add interface=loopback0 passive=yes
[admin@R2] > routing ripng interface add interface=ether1
[admin@R2] > routing ripng interface add interface=ether2
[admin@R2] > routing ripng interface add interface=loopback0 passive=yes
[admin@R3] > routing ripng interface add interface=ether2
[admin@R3] > routing ripng interface add interface=loopback0 passive=yes
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IPv6: Introduction
Routing protocols
RIPng example
Routing Table on R1 after enabling RIP
[admin@R1] > ipv6 route print
Flags: X - disabled, A - active, D - dynamic,
C - connect, S - static, r - rip, o - ospf, b - bgp, U - unreachable
# DST-ADDRESS GATEWAY DISTANCE
0 ADC 2001:1::/64 loopback0 0
1 ADC 2001:12::/64 ether1 0
2 ADr 2001:23::/64 fe80::20c:42ff:fe0e:f... 120
Why are loopbacks missing?
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IPv6: Introduction
Routing protocols
RIPng example
Loopback are not advertised because now they do not have linklocal address
[admin@R1] > ipv6 add print
Flags: X - disabled, I - invalid, D - dynamic, G - global, L - link-local
# ADDRESS INTERFACE ADVERTISE
0 DL fe80::20c:42ff:fe3e:f41c/64 ether1 no
1 DL fe80::20c:42ff:fe3e:f41f/64 man_bridge no
2 G 2001:1::1/64 loopback0 yes
3 G 2001:12::1/64 ether1 yes
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IPv6: Introduction
Routing protocols
RIPng example
Loopback is a bridge interface without any port.We need to specify admin-mac to get the link local Ipv6 address
[admin@R1] > interface bridge set loopback0 admin-mac=02:11:11:11:11:11
[admin@R1] > ipv6 add print
Flags: X - disabled, I - invalid, D - dynamic, G - global, L - link-local
# ADDRESS INTERFACE ADVERTISE
0 DL fe80::20c:42ff:fe3e:f41c/64 ether1 no
1 DL fe80::20c:42ff:fe3e:f41f/64 man_bridge no
2 G 2001:1::1/64 loopback0 yes
3 G 2001:12::1/64 ether1 yes
4 DL fe80::11:11ff:fe11:1111/64 loopback0 no
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IPv6: Introduction
Routing protocols
RIPng example
Loopback is a bridge interface without any port.We need to specify admin-mac to get the link local Ipv6 address
[admin@R2] > interface bridge set loopback0 admin-mac=02:22:22:22:22:22
[admin@R2] > ipv6 add print
Flags: X - disabled, I - invalid, D - dynamic, G - global, L - link-local
# ADDRESS INTERFACE ADVERTISE
0 DL fe80::20c:42ff:fe0e:f2f5/64 ether2 no
1 DL fe80::20c:42ff:fe0e:f2f6/64 ether3 no
2 DL fe80::20c:42ff:fe0e:f2f4/64 ether1 no
3 G 2001:2::2/64 loopback0 yes
4 G 2001:12::2/64 ether1 yes
5 G 2001:23::2/64 ether2 yes
6 DL fe80::22:22ff:fe22:2222/64 loopback0 no
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IPv6: Introduction
Routing protocols
RIPng example
Loopback is a bridge interface without any port.We need to specify admin-mac to get the link local Ipv6 address
[admin@R3] > interface bridge set loopback0 admin-mac=02:33:33:33:33:33
[admin@R3] > ipv6 address print
Flags: X - disabled, I - invalid, D - dynamic, G - global, L - link-local
# ADDRESS INTERFACE ADVERTISE
0 DL fe80::20c:42ff:fe07:d48e/64 ether2 no
1 DL fe80::20c:42ff:fe07:d48f/64 ether3 no
2 G 2001:3::3/64 loopback0 yes
3 G 2001:23::3/64 ether2 yes
4 DL fe80::33:33ff:fe33:3333/64 loopback0 no
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IPv6: Introduction
Routing protocols
RIPng example
Routing Table on R1 after configuring admin-mac
[admin@R1] > ipv6 route print
Flags: X - disabled, A - active, D - dynamic,
C - connect, S - static, r - rip, o - ospf, b - bgp, U - unreachable
# DST-ADDRESS GATEWAY DISTANCE
0 ADC 2001:1::/64 loopback0 0
1 ADr 2001:2::/64 fe80::20c:42ff:fe0e:f... 120
2 ADr 2001:3::/64 fe80::20c:42ff:fe0e:f... 120
3 ADC 2001:12::/64 ether1 0
4 ADr 2001:23::/64 fe80::20c:42ff:fe0e:f... 120
Now subnets of loopbacks are present.Next-hop is a link local address!
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IPv6: Introduction
Routing protocols
OSPFv3
IPv6 implementation of OSPF protocol
Same advantages and disadvantages as OSPFv2 (for IPv4)
fast convergence timeloop freeinter area summarizationscales very well
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IPv6: Introduction
Routing protocols
OSPFv3
IPv6 implementation of OSPF protocol
Same advantages and disadvantages as OSPFv2 (for IPv4)
fast convergence time
loop freeinter area summarizationscales very well
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IPv6: Introduction
Routing protocols
OSPFv3
IPv6 implementation of OSPF protocol
Same advantages and disadvantages as OSPFv2 (for IPv4)
fast convergence timeloop free
inter area summarizationscales very well
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IPv6: Introduction
Routing protocols
OSPFv3
IPv6 implementation of OSPF protocol
Same advantages and disadvantages as OSPFv2 (for IPv4)
fast convergence timeloop freeinter area summarization
scales very well
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IPv6: Introduction
Routing protocols
OSPFv3
IPv6 implementation of OSPF protocol
Same advantages and disadvantages as OSPFv2 (for IPv4)
fast convergence timeloop freeinter area summarizationscales very well
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IPv6: Introduction
Routing protocols
OSPFv3 - Differences from previous versions
No authentication! (but it makes the header shorter)
Easier to configure (no network command, it’s just interface)
Uses multicast address ff02::5 and ff02::6
LSA9 carries prefix information
Instance number has global meaning inside the routing domain
Instance number between routers must match
Admin-mac has to be configured for loopback
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IPv6: Introduction
Routing protocols
OSPFv3 - Differences from previous versions
No authentication! (but it makes the header shorter)
Easier to configure (no network command, it’s just interface)
Uses multicast address ff02::5 and ff02::6
LSA9 carries prefix information
Instance number has global meaning inside the routing domain
Instance number between routers must match
Admin-mac has to be configured for loopback
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IPv6: Introduction
Routing protocols
OSPFv3 - Differences from previous versions
No authentication! (but it makes the header shorter)
Easier to configure (no network command, it’s just interface)
Uses multicast address ff02::5 and ff02::6
LSA9 carries prefix information
Instance number has global meaning inside the routing domain
Instance number between routers must match
Admin-mac has to be configured for loopback
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IPv6: Introduction
Routing protocols
OSPFv3 - Differences from previous versions
No authentication! (but it makes the header shorter)
Easier to configure (no network command, it’s just interface)
Uses multicast address ff02::5 and ff02::6
LSA9 carries prefix information
Instance number has global meaning inside the routing domain
Instance number between routers must match
Admin-mac has to be configured for loopback
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IPv6: Introduction
Routing protocols
OSPFv3 - Differences from previous versions
No authentication! (but it makes the header shorter)
Easier to configure (no network command, it’s just interface)
Uses multicast address ff02::5 and ff02::6
LSA9 carries prefix information
Instance number has global meaning inside the routing domain
Instance number between routers must match
Admin-mac has to be configured for loopback
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IPv6: Introduction
Routing protocols
OSPFv3 - Differences from previous versions
No authentication! (but it makes the header shorter)
Easier to configure (no network command, it’s just interface)
Uses multicast address ff02::5 and ff02::6
LSA9 carries prefix information
Instance number has global meaning inside the routing domain
Instance number between routers must match
Admin-mac has to be configured for loopback
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IPv6: Introduction
Routing protocols
OSPFv3 - Differences from previous versions
No authentication! (but it makes the header shorter)
Easier to configure (no network command, it’s just interface)
Uses multicast address ff02::5 and ff02::6
LSA9 carries prefix information
Instance number has global meaning inside the routing domain
Instance number between routers must match
Admin-mac has to be configured for loopback
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IPv6: Introduction
Routing protocols
OSPFv3 - RouterID
Router ID is still a 32-bit value
Needs to be configured manually otherwise the adjacency willnot come up
[admin@R1] > routing ospf-v3 instance set default router-id=1.1.1.1
[admin@R2] > routing ospf-v3 instance set default router-id=2.2.2.2
[admin@R3] > routing ospf-v3 instance set default router-id=3.3.3.3
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IPv6: Introduction
Routing protocols
OSPFv3 - basic configuration
Let’s enable OSPFv3
[admin@R1] > routing ospf-v3 interface add interface=ether1 area=backbone
[admin@R1] > routing ospf-v3 interface add interface=loopback0 area=backbone
passive=yes
[admin@R2] > routing ospf-v3 interface add interface=ether1 area=backbone
[admin@R2] > routing ospf-v3 interface add interface=ether2 area=backbone
[admin@R2] > routing ospf-v3 interface add interface=loopback0 area=backbone
passive=yes
[admin@R3] > routing ospf-v3 interface add interface=ether2 area=backbone
[admin@R3] > routing ospf-v3 interface add interface=loopback0 area=backbone
passive=yes
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IPv6: Introduction
Routing protocols
OSPFv3 - basic configuration
Routing table on R1
[admin@R1] > ipv6 route print
Flags: X - disabled, A - active, D - dynamic, C - connect, S - static, r - rip,
o - ospf, b - bgp, U - unreachable
# DST-ADDRESS GATEWAY DISTANCE
0 ADC 2001:1::/64 loopback0 0
1 ADo 2001:2::/64 fe80::20c:42ff:fe0e:f... 110
2 Dr 2001:2::/64 fe80::20c:42ff:fe0e:f... 120
3 ADo 2001:3::/64 fe80::20c:42ff:fe0e:f... 110
4 Dr 2001:3::/64 fe80::20c:42ff:fe0e:f... 120
5 ADC 2001:12::/64 ether1 0
6 ADo 2001:23::/64 fe80::20c:42ff:fe0e:f... 110
7 Dr 2001:23::/64 fe80::20c:42ff:fe0e:f... 120
RIPng routes became incatcive because they have higher distancethan OSPFv3.
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IPv6: Introduction
Routing protocols
OSPFv3 - basic configuration
Adjacency table on R2
[admin@R2] > routing ospf-v3 neighbor print
0 instance=default router-id=3.3.3.3 address=fe80::20c:42ff:fe07:d48e
interface=ether2 priority=1 dr=2.2.2.2 backup-dr=3.3.3.3 state="Full"
state-changes=4 ls-retransmits=0 ls-requests=0 db-summaries=0
adjacency=7m13s
1 instance=default router-id=1.1.1.1 address=fe80::20c:42ff:fe3e:f41c
interface=ether1 priority=1 dr=1.1.1.1 backup-dr=2.2.2.2 state="Full"
state-changes=5 ls-retransmits=0 ls-requests=0 db-summaries=0
adjacency=10m14s
Router address is a link local addressNext-hop address is a link local as well
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IPv6: Introduction
Routing protocols
BGP for IPv6
Multi Protocol BGP, supports IPv6
It’s like BGP for IPv4 but it carries IPv6 prefixes
Path selection algorithm remains the same
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IPv6: Introduction
Routing protocols
BGP for IPv6 - Simple configuration
We need to configure
BGP instance
AS NumberRouter ID
BGP peer (address, remote ASN, address-family)
Remote addressRemote ASNAddress familyOptionally routing filters
Networks to advertise
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IPv6: Introduction
Routing protocols
BGP for IPv6 - Simple configuration
We need to configure
BGP instance
AS Number
Router ID
BGP peer (address, remote ASN, address-family)
Remote addressRemote ASNAddress familyOptionally routing filters
Networks to advertise
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IPv6: Introduction
Routing protocols
BGP for IPv6 - Simple configuration
We need to configure
BGP instance
AS NumberRouter ID
BGP peer (address, remote ASN, address-family)
Remote addressRemote ASNAddress familyOptionally routing filters
Networks to advertise
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IPv6: Introduction
Routing protocols
BGP for IPv6 - Simple configuration
We need to configure
BGP instance
AS NumberRouter ID
BGP peer (address, remote ASN, address-family)
Remote addressRemote ASNAddress familyOptionally routing filters
Networks to advertise
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IPv6: Introduction
Routing protocols
BGP for IPv6 - Simple configuration
We need to configure
BGP instance
AS NumberRouter ID
BGP peer (address, remote ASN, address-family)
Remote address
Remote ASNAddress familyOptionally routing filters
Networks to advertise
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IPv6: Introduction
Routing protocols
BGP for IPv6 - Simple configuration
We need to configure
BGP instance
AS NumberRouter ID
BGP peer (address, remote ASN, address-family)
Remote addressRemote ASN
Address familyOptionally routing filters
Networks to advertise
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IPv6: Introduction
Routing protocols
BGP for IPv6 - Simple configuration
We need to configure
BGP instance
AS NumberRouter ID
BGP peer (address, remote ASN, address-family)
Remote addressRemote ASNAddress family
Optionally routing filters
Networks to advertise
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IPv6: Introduction
Routing protocols
BGP for IPv6 - Simple configuration
We need to configure
BGP instance
AS NumberRouter ID
BGP peer (address, remote ASN, address-family)
Remote addressRemote ASNAddress familyOptionally routing filters
Networks to advertise
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IPv6: Introduction
Routing protocols
BGP for IPv6 - Simple configuration
We need to configure
BGP instance
AS NumberRouter ID
BGP peer (address, remote ASN, address-family)
Remote addressRemote ASNAddress familyOptionally routing filters
Networks to advertise
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IPv6: Introduction
Routing protocols
BGP for IPv6 configuration example - Topology
Topology used for BGP configuration example:
Lo0 interfaces are bridges without ports.
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IPv6: Introduction
Routing protocols
BGP for IPv6 configuration example
R1 belongs to AS1
R2, R3 belong to AS2
RIP and OSPF between R1 and R2 is disabled
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IPv6: Introduction
Routing protocols
BGP for IPv6 configuration example
Let’s configure BGP instance, peer and networks advertised on R1
[admin@R1] > routing bgp instance set default router-id=1.1.1.1 as=1
[admin@R1] > routing bgp peer add remote-address=2001:12::2 remote-as=2
address-families=ipv6
[admin@R1] > routing bgp network add network=2001:1::/64
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IPv6: Introduction
Routing protocols
BGP for IPv6 configuration example
Let’s configure BGP instance, peers and networks advertised on R2
[admin@R2] > routing bgp instance set default router-id=2.2.2.2 as=2
[admin@R2] > routing bgp peer add remote-address=2001:12::1 remote-as=1
address-families=ipv6
[admin@R2] > routing bgp peer add remote-address=2001:23::3 remote-as=2
address-families=ipv6
[admin@R2] > routing bgp network add network=2001:23::/64
[admin@R2] > routing bgp network add network=2001:2::/64
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IPv6: Introduction
Routing protocols
BGP for IPv6 configuration example
Let’s configure BGP instance, peer and networks advertised on R3
[admin@R3] > routing bgp instance set default router-id=3.3.3.3 as=2
[admin@R3] > routing bgp peer add remote-address=2001:23::2 remote-as=2
address-families=ipv6
[admin@R3] > routing bgp network add network=2001:23::/64
[admin@R3] > routing bgp network add network=2001:3::/64
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IPv6: Introduction
Routing protocols
BGP for IPv6 configuration example
Routing table on R1
[admin@R1] > ipv6 route print
Flags: X - disabled, A - active, D - dynamic, C - connect, S - static, r - rip,
o - ospf, b - bgp, U - unreachable
# DST-ADDRESS GATEWAY DISTANCE
0 ADC 2001:1::/64 loopback0 0
1 ADb 2001:2::/64 fe80::20c:42ff:fe0e:f... 20
2 ADC 2001:12::/64 ether1 0
3 ADb 2001:23::/64 fe80::20c:42ff:fe0e:f... 20/64
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IPv6: Introduction
Routing protocols
BGP for IPv6 configuration example
Routing table on R2
[admin@R2] > ipv6 route print
Flags: X - disabled, A - active, D - dynamic, C - connect, S - static, r - rip,
o - ospf, b - bgp, U - unreachable
# DST-ADDRESS GATEWAY DISTANCE
0 ADb 2001:1::/64 fe80::20c:42ff:fe3e:f... 20
1 ADC 2001:2::/64 loopback0 0
2 ADo 2001:3::/64 fe80::20c:42ff:fe07:d... 110
3 Dr 2001:3::/64 fe80::20c:42ff:fe07:d... 120
4 Db 2001:3::/64 fe80::20c:42ff:fe07:d... 200
5 ADC 2001:12::/64 ether1 0
6 ADC 2001:23::/64 ether2 0
7 Db 2001:23::/64 fe80::20c:42ff:fe07:d... 200
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IPv6: Introduction
Routing protocols
BGP for IPv6 configuration example
Routing table on R3
[admin@R3] > ipv6 route print
Flags: X - disabled, A - active, D - dynamic, C - connect, S - static, r - rip,
o - ospf, b - bgp, U - unreachable
# DST-ADDRESS GATEWAY DISTANCE
0 ADb 2001:1::/64 fe80::20c:42ff:fe0e:f... 200
1 ADo 2001:2::/64 fe80::20c:42ff:fe0e:f... 110
2 Dr 2001:2::/64 fe80::20c:42ff:fe0e:f... 120
3 Db 2001:2::/64 fe80::20c:42ff:fe0e:f... 200
4 ADC 2001:3::/64 loopback0 0
5 ADC 2001:23::/64 ether2 0
6 Db 2001:23::/64 fe80::20c:42ff:fe0e:f... 200
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IPv6: Introduction
How to start
How to start
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IPv6: Introduction
How to start
How to connect to IPv6 Internet
There are two main possibilities to connect to the IPv6 Internet:
Native IPv6 connectivity provided by our ISP
Tunnel to the PoP (Point of Presence)
We will focus on the second case.
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IPv6: Introduction
How to start
Tunneling over IPv4
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IPv6: Introduction
How to start
Tunnel brocker and PoP
First, we need the Point of Presence which will be our far tunnelendpoint. We can use one of the Tunnel Brokers - organizationswho take care on tunnel assigning. We use, as an example SixxS.You can find it on: http://www.sixxs.net/
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IPv6: Introduction
How to start
The procedure
Account creation
Tunnel request - when you request the tunnel you need toshortly explain why you need it. There are few types oftunnels - probably the widely used it static tunnel (you need apublic IPv4 address)
After tunnel approval you need to establish 6to4 (sit) tunnelto the IPv4 address provided by SixxS and configure the IPv6address. Far endpoint will be pinging your router to checktunnel availability
After a week you can request the /48 network. Again youneed to write short explanation.
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IPv6: Introduction
How to start
The procedure
Account creation
Tunnel request - when you request the tunnel you need toshortly explain why you need it. There are few types oftunnels - probably the widely used it static tunnel (you need apublic IPv4 address)
After tunnel approval you need to establish 6to4 (sit) tunnelto the IPv4 address provided by SixxS and configure the IPv6address. Far endpoint will be pinging your router to checktunnel availability
After a week you can request the /48 network. Again youneed to write short explanation.
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IPv6: Introduction
How to start
The procedure
Account creation
Tunnel request - when you request the tunnel you need toshortly explain why you need it. There are few types oftunnels - probably the widely used it static tunnel (you need apublic IPv4 address)
After tunnel approval you need to establish 6to4 (sit) tunnelto the IPv4 address provided by SixxS and configure the IPv6address. Far endpoint will be pinging your router to checktunnel availability
After a week you can request the /48 network. Again youneed to write short explanation.
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IPv6: Introduction
How to start
The procedure
Account creation
Tunnel request - when you request the tunnel you need toshortly explain why you need it. There are few types oftunnels - probably the widely used it static tunnel (you need apublic IPv4 address)
After tunnel approval you need to establish 6to4 (sit) tunnelto the IPv4 address provided by SixxS and configure the IPv6address. Far endpoint will be pinging your router to checktunnel availability
After a week you can request the /48 network. Again youneed to write short explanation.
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IPv6: Introduction
How to start
Configuration
We need to configure the tunel to the PoP
[admin@R1] > interface 6to4 add local-address=91.224.142.4 \
remote-address=193.219.28.26 name=sit1
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IPv6: Introduction
How to start
Configuration
Put the IPv6 address received from Sixxs to the sit1 tunnel
[admin@R1] > ipv6 address add address=2001:6a0:200:bd::2/64 \
eui-64=no interface=sit1
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IPv6: Introduction
How to start
Configuration
Create the default route to the address provided from Sixxs
[admin@R1] > ipv6 route add dst-address=::/0 gateway=2001:6a0:200:bd::1
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IPv6: Introduction
How to start
Configuration
When you are assigned the IPv6 address space, configure your LAN
[admin@R1] > ipv6 address add address=2001:6a0:176:1::1/64 interface=ether3
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IPv6: Introduction
How to start
Questions ?
Any questions?
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IPv6: Introduction
How to start
Questions ?
Thank you!
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