Chapter 34 MPLS Traffic Engineering - Fast Reroute Link Protection

Verification Examples

10.10.7.1/32, Flags:0x0 (No Local Protection)

10.10.4.1/32, Flags:0x9 (Local Prot Avail/to NNHOP) !Available to NNHOP 10.10.1.1/32, Flags:0x0 (No Local Protection)

Traffic params - Rate: 10K bits/sec, Max. burst: 1K bytes Min Policed Unit: 0 bytes, Max Pkt Size 4294967295 bytes

Fast-Reroute Backup info: Inbound FRR: Not active

Outbound FRR: No backup tunnel selected

Path ID handle: 50000416.

Incoming policy: Accepted. Policy source(s): MPLS/TE

Status: Proxy-terminated

Use the following command to verify whether the LSPs are protected.

Router# show mpls traffic-eng fast-reroute database

 

Tunnel head end item frr information:

 

 

Protected Tunnel

In-label

intf/label

FRR intf/label

Status

Tunne1l0

 

Tun

pos5/0:Untagged

Tu0:12304

ready

Prefix item frr information:

 

 

 

Prefix

Tunnel

In-label

Out intf/label

FRR intf/label

Status

10.0.0.11/32

Tu110

Tun hd

pos5/0:Untagged

Tu0:12304

ready

LSP midpoint frr information:

 

 

 

LSP identifier

 

In-label

Out intf/label

FRR intf/label

Status

10.0.0.12 1 [459]

16

pos0/1:17

Tu2000:19

ready

Use the following command to verify the backup tunnel information.

Router# show mpls traffic-eng tunnels backup

Router_t578

LSP Head, Tunnel578, Admin: up, Oper: up

Src 10.55.55.55, Dest 10.88.88.88, Instance 1

Fast Reroute Backup Provided:

Protected i/fs: PO1/0, PO1/1, PO3/3

Protected lsps: 1

Backup BW: any pool unlimited; inuse: 100 kbps

Router_t5710

LSP Head, Tunnel5710, Admin: admin-down, Oper: down

Src 10.55.55.55, Dest 10.7.7.7, Instance 0

Fast Reroute Backup Provided:

Protected i/fs: PO1/1

Protected lsps: 0

Backup BW: any pool unlimited; inuse: 0 kbps

Router_t5711

LSP Head, Tunnel5711, Admin up, Oper: up

Src 10.55.55.55,, Dest 10.7.7.7, Instance 1

Fast Reroute Backup Provided:

Protected i/fs: PO1/0

Protected lsps: 2

Backup BW: any pool unlimited; inuse: 6010 kbps

Use the following command to verify the reservation detail.

Router# show ip rsvp reservation detail

Reservation:

 

 

Tun

Dest: 10.1.1.1 Tun

ID:

1 Ext Tun ID: 172.16.1.1

Tun

Sender: 172.16.1.1

LSP

ID: 104

Next Hop: 172.17.1.2 on

POS1/0

 

 

 

Label: 18 (outgoing)

 

 

 

 

 

Reservation Style is

Shared-Explicit, QoS Service is Controlled-Load

 

 

 

Average Bitrate is 0

bits/sec, Maximum Burst is 1K bytes

 

 

 

Min Policed Unit: 0 bytes, Max Pkt Size: 0 bytes

 

 

 

RRO:

 

 

 

 

 

Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide

 

 

 

 

34-18

 

 

OL-23826-09

 

 

 

 

 

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Cisco Systems A9014CFD manual Use the following command to verify the reservation detail, 34-18