Configuring protection switching, Configuration prerequisites, Configuration procedure – H3C Technologies H3C SR8800 User Manual

Page 95: Displaying and maintaining mpls te

Advertising
background image

84

Step Command

Remarks

5.

Enable periodic LSP tracert for

the MPLS TE tunnel.

mpls te periodic-tracert [ -a
source-ip | -exp exp-value | -h

ttl-value | -m wait-time | -t time-out

| -u retry-attempt ] *

By default, periodic LSP tracert is
disabled for MPLS TE tunnels.

6.

Configure MPLS TE to tear
down a failed RSVP TE tunnel

and reestablish it.

mpls te failure-action teardown

Optional.
Not configured by default.

NOTE:

For more information about the mpls lspv command, see

MPLS Command Reference.

Configuring protection switching

Configuration prerequisites

Before configuring protection switching, do the following:

Configure MPLS basic capabilities

Enable MPLS TE and create an MPLS TE tunnel

Configure BFD for the MPLS TE tunnel.

Before configuring a protection tunnel, prepare the following data:

Interface number of the main tunnel in the protection group

ID of the protection tunnel in the protection group

Configuration procedure

To configure protection switching:

Step

Command

Remarks

1.

Enter system view.

system-view

N/A

2.

Enter tunnel interface

view.

interface tunnel tunnel-number N/A

3.

Configure a protection
tunnel for the main

tunnel.

mpls te protection tunnel tunnel-id [ holdoff
holdoff-time | mode { non-revertive | revertive [ wtr
wtr-time ] } ] *

N/A

4.

Configure an external

protection switching
action.

mpls te protect-switch { clear | force | lock | manual
{ protect-lsp | work-lsp } }

Optional.
By default, no switching
action is configured.

5.

Commit the current
configuration of the

tunnel.

mpls te commit

N/A

Displaying and maintaining MPLS TE

Advertising