1. © 2006 Cisco Systems, Inc. All rights reserved. MPLS v2.2—7-1 MPLS Traffic Engineering Monitoring Basic MPLS TE on Cisco IOS

2. © 2006 Cisco Systems, Inc. All rights reserved. MPLS v2.2—7-2 Outline Overview Monitoring MPLS TE Tunnels Monitoring MPLS TE Summary

3. © 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

4. © 2006 Cisco Systems, Inc. All rights reserved. MPLS v2.2—7-4 Monitoring MPLS TE Tunnels: show ip rsvp interface P72#show ip rsvp interface interface 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

5. © 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 brief Signaling Summary: LSP Tunnels Process: running RSVP Process: running Forwarding: enabled Periodic reoptimization: every 30 seconds, next in 11 seconds Periodic auto-bw collection: disabled TUNNEL NAME DESTINATION UP IF DOWN IF STATE/PROT PE71_t0 192.168.7.33 - Se0/0.11 up/up PE72_t0 192.168.7.17 Se0/0.11 - up/up Displayed 1 (of 1) heads, 0 (of 0) midpoints, 1 (of 1) tails

6. © 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

7. © 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)

8. © 2006 Cisco Systems, Inc. All rights reserved. MPLS v2.2—7-8 Monitoring MPLS TE: show ip cef network PE71#show ip cef 192.168.7.33 192.168.7.33/32, version 25, epoch 0 0 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}

9. © 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 10.1.72.49 10.1.72.49/32, version 20, epoch 0 0 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}

10. © 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

11. © 2006 Cisco Systems, Inc. All rights reserved. MPLS v2.2—7-11