Configuring protection switching, Configuration prerequisites, Configuration procedure – H3C Technologies H3C SR8800 User Manual
Page 95: Displaying and maintaining mpls te
 
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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