© 2006 cisco systems, inc. all rights reserved. mpls v2.2—7-1 mpls traffic engineering monitoring...
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![Page 1: © 2006 Cisco Systems, Inc. All rights reserved. MPLS v2.2—7-1 MPLS Traffic Engineering Monitoring Basic MPLS TE on Cisco IOS](https://reader036.vdocuments.us/reader036/viewer/2022082816/56649d8a5503460f94a706b7/html5/thumbnails/1.jpg)
© 2006 Cisco Systems, Inc. All rights reserved. MPLS v2.2—7-1
MPLS Traffic Engineering
Monitoring Basic MPLS TE on Cisco IOS
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© 2006 Cisco Systems, Inc. All rights reserved. MPLS v2.2—7-2
Outline
• Overview
• Monitoring MPLS TE Tunnels
• Monitoring MPLS TE
• Summary
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© 2006 Cisco Systems, Inc. All rights reserved. MPLS v2.2—7-3
show mpls traffic-eng tunnels [parameters]
router#
• Shows detailed information about a tunnel
Monitoring MPLS TE Tunnels
show mpls traffic-eng tunnels tunnel_interface [brief]
router#
• Shows summary information about a tunnel
show ip rsvp interface
router#
• Confirms which interfaces have RSVP information configured
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© 2006 Cisco Systems, Inc. All rights reserved. MPLS v2.2—7-4
Monitoring MPLS TE Tunnels:show ip rsvp interface
P72#show ip rsvp interfaceinterface allocated i/f max flow max sub max Se0/0 0 128K 128K 0 Se0/0.111 0 128K 128K 0 Se0/0.112 0 128K 128K 0 Se0/0.272 0 128K 128K 0
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© 2006 Cisco Systems, Inc. All rights reserved. MPLS v2.2—7-5
Monitoring MPLS TE Tunnels:show mpls traffic-eng tunnels brief
PE71#show mpls traffic-eng tunnels briefSignaling Summary: LSP Tunnels Process: running RSVP Process: running Forwarding: enabled Periodic reoptimization: every 30 seconds, next in 11 seconds Periodic auto-bw collection: disabledTUNNEL NAME DESTINATION UP IF DOWN IF STATE/PROTPE71_t0 192.168.7.33 - Se0/0.11 up/upPE72_t0 192.168.7.17 Se0/0.11 - up/up Displayed 1 (of 1) heads, 0 (of 0) midpoints, 1 (of 1) tails
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© 2006 Cisco Systems, Inc. All rights reserved. MPLS v2.2—7-6
Monitoring MPLS TE
show mpls traffic-eng autoroute
router#
• Shows tunnels that are announced to IGP, including interface, destination, and bandwidth
show ip cef network [mask]
router#
• Shows network entries in the Forwarding Information Base (FIB) to verify that IP traffic is forwarded through tunnel interface
show ip cef vrf vrf-name network [mask]
router#
• Shows VRF network entries in the FIB to verify that MPLS VPN traffic is forwarded through tunnel interface
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© 2006 Cisco Systems, Inc. All rights reserved. MPLS v2.2—7-7
Monitoring MPLS TE:show mpls traffic-eng autoroute
PE71#show mpls traffic-eng autoroute MPLS TE autorouting enabled destination 0000.0000.0172.00 has 1 tunnels Tunnel0 (load balancing metric 20000000, nexthop 192.168.7.33)
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© 2006 Cisco Systems, Inc. All rights reserved. MPLS v2.2—7-8
Monitoring MPLS TE:show ip cef network
PE71#show ip cef 192.168.7.33192.168.7.33/32, version 25, epoch 00 packets, 0 bytes tag information set, shared local tag: 30 fast tag rewrite with Tu0, point2point, tags imposed: {33} via 192.168.7.33, Tunnel0, 11 dependencies next hop 192.168.7.33, Tunnel0 valid adjacency tag rewrite with Tu0, point2point, tags imposed: {33}
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© 2006 Cisco Systems, Inc. All rights reserved. MPLS v2.2—7-9
Monitoring MPLS TE:show ip cef vrf vrf-name network
PE71#show ip cef vrf CustA 10.1.72.4910.1.72.49/32, version 20, epoch 00 packets, 0 bytes tag information set local tag: VPN-route-head fast tag rewrite with Tu0, point2point, tags imposed: {33 34} via 192.168.7.33, 0 dependencies, recursive next hop 192.168.7.33, Tunnel0 via 192.168.7.33/32 valid adjacency tag rewrite with Tu0, point2point, tags imposed: {33 34}
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© 2006 Cisco Systems, Inc. All rights reserved. MPLS v2.2—7-10
Summary
• Use the following commands to monitor MPLS TE tunnels:– show ip rsvp interface
– show mpls traffic-eng tunnels
• Use the following commands to monitor MPLS TE: – show mpls traffic-eng autoroute
– show ip cef network
– show ip cef vrf vrf-name network
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© 2006 Cisco Systems, Inc. All rights reserved. MPLS v2.2—7-11