MPLS Traffic Engineering Monitoring Basic MPLS TE on

Outline • Overview • Monitoring MPLS TE Tunnels • Monitoring MPLS TE • Summary

Monitoring MPLS TE Tunnels router# show ip rsvp interface • Confirms which interfaces have RSVP information configured router# show mpls traffic-eng tunnels tunnel_interface [brief] • Shows summary information about a tunnel router# show mpls traffic-eng tunnels [parameters] • Shows detailed information about a tunnel © 2006 Cisco Systems, Inc. All rights reserved. MPLS v 2. 2— 7 -3

Monitoring MPLS TE Tunnels: show ip rsvp interface P 72#show ip rsvp interface allocated i/f max Se 0/0 0 128 K Se 0/0. 111 0 128 K Se 0/0. 112 0 128 K Se 0/0. 272 0 128 K © 2006 Cisco Systems, Inc. All rights reserved. flow max sub max 128 K 0 MPLS v 2. 2— 7 -4

Monitoring MPLS TE Tunnels: show mpls traffic-eng tunnels brief PE 71#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 PE 71_t 0 192. 168. 7. 33 Se 0/0. 11 up/up PE 72_t 0 192. 168. 7. 17 Se 0/0. 11 up/up Displayed 1 (of 1) heads, 0 (of 0) midpoints, 1 (of 1) tails © 2006 Cisco Systems, Inc. All rights reserved. MPLS v 2. 2— 7 -5

Monitoring MPLS TE router# show mpls traffic-eng autoroute • Shows tunnels that are announced to IGP, including interface, destination, and bandwidth router# show ip cef network [mask] • Shows network entries in the Forwarding Information Base (FIB) to verify that IP traffic is forwarded through tunnel interface router# show ip cef vrf-name network [mask] • Shows VRF network entries in the FIB to verify that MPLS VPN traffic is forwarded through tunnel interface © 2006 Cisco Systems, Inc. All rights reserved. MPLS v 2. 2— 7 -6

Monitoring MPLS TE: show mpls traffic-eng autoroute PE 71#show mpls traffic-eng autoroute MPLS TE autorouting enabled destination 0000. 0172. 00 has 1 tunnels Tunnel 0 (load balancing metric 20000000, nexthop 192. 168. 7. 33) © 2006 Cisco Systems, Inc. All rights reserved. MPLS v 2. 2— 7 -7

Monitoring MPLS TE: show ip cef network PE 71#show ip cef 192. 168. 7. 33/32, version 25, epoch 0 0 packets, 0 bytes tag information set, shared local tag: 30 fast tag rewrite with Tu 0, point 2 point, tags imposed: {33} via 192. 168. 7. 33, Tunnel 0, 11 dependencies next hop 192. 168. 7. 33, Tunnel 0 valid adjacency tag rewrite with Tu 0, point 2 point, tags imposed: {33} © 2006 Cisco Systems, Inc. All rights reserved. MPLS v 2. 2— 7 -8

Monitoring MPLS TE: show ip cef vrf-name network PE 71#show ip cef vrf Cust. A 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 Tu 0, point 2 point, tags imposed: {33 34} via 192. 168. 7. 33, 0 dependencies, recursive next hop 192. 168. 7. 33, Tunnel 0 via 192. 168. 7. 33/32 valid adjacency tag rewrite with Tu 0, point 2 point, tags imposed: {33 34} © 2006 Cisco Systems, Inc. All rights reserved. MPLS v 2. 2— 7 -9

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-name network © 2006 Cisco Systems, Inc. All rights reserved. MPLS v 2. 2— 7 -10