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ISP Setup using MikroTik

Class - V

Youtube Cache / BDiX BW Control, Mangle,

Load Balancing, Link Redundancy with Failover, IPSLA

M Abdullah Al NaserB.Sc in CSE

CCNA, RHCE, RHCSA, MTCNA

Youtube Cache Bandwidth Control

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Now a days we can have Youtube Cache bwfrom our ISP/IIG. Upstream service providers deliver us Youtube Cache bw from their Cache server, for this we must have the IP block of that Cache server from where our upstream is providing us the Cache bandwidth. And we have to mention that specific IP block in QUEUE

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Youtube Cache Bandwidth Control

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Youtube Cache Bandwidth Control

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Youtube Cache Bandwidth Control

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Youtube Cache Bandwidth Control

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BDiX Bandwidth Control

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Now a days we can also have BDiX bw from our ISP. Unlike Youtube Cache BDiX has hundreds of routes/IP blocks (currently 1600+). And for these large numbers of routes we can’t create queue using DST-Address like Youtube Cache. To do this we have to collect all the routes from our ISP and create a ADDRESS-LIST to bundle all the routes. And then we need to Mark all the packets from and/or to those destinations. And finally create queue using the marked packets to shape bw.

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BDiX Bandwidth Control

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BDiX Bandwidth Control

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BDiX Bandwidth Control

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BDiX Bandwidth Control

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BDiX Bandwidth Control

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BDiX Bandwidth Control

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BDiX Bandwidth Control

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BDiX Bandwidth Control

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BDiX Bandwidth Control

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BDiX Bandwidth Control

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BDiX Bandwidth Control

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BDiX Bandwidth Control

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BDiX Bandwidth Control

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BDiX Bandwidth Control

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BDiX Bandwidth Control

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BDiX Bandwidth Control

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BDiX Bandwidth Control

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Load Balancing

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If we have two ISP connected to our MikroTik then we can load balance the traffic.

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Load Balancing

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Load Balancing

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To do this:

Step - 1: Mark Connection for Each ISP

Step - 2: Mark Routing individually using Marked Connection for Each ISP

Step - 3: Add Routes

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Load Balancing Step - 1

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Load Balancing Step - 1

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Load Balancing Step - 1

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Load Balancing Step - 1

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Load Balancing Step - 1

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Load Balancing Step - 2

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Load Balancing Step - 2

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Load Balancing Step - 2

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Load Balancing Step - 2

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Load Balancing

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In Step -1 and Step -2, we marked the connections and routes respectively to ensure that, the outgoing packet will go only through that link through which link it came.

Thus we can minimize latency/packet loss issue and enhance overall performance.

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Load Balancing

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Load Balancing Step - 3

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Load Balancing Step - 3

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Load Balancing Step - 3

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Load Balancing Step - 3

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Why Double Gateway entries to ISP A and Triple Gateway entries to ISP B ??

Because in this topology we have 4 Mbps bwin ISP A and 6 Mbps bw in ISP B.

ISP A : ISP B = 4 : 6

= 2 : 3 (4 and 6 both can be divided by 2)

You need to calculate exact number of gateway entries during you r real time configuration

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Load Balancing Step - 3

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IPSLA: If we use Check Gateway: Ping option then router will send ICMP to the gateway on a regular interval and will check ping response. If there is no ping response to a gateway then the route will be de-active for that corresponding link and traffic will go through another link. Thus we can ensure Link Redundancy with Failover.

In this case, if we have any SRC-NAT rules using MASQUERADE, then any OUT-INTERFACE shouldn’t be mentioned in that rules.

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Thank you very much

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