164
Step Command
Remarks
3.
Set a DSCP value for outgoing
RSVP packets.
dscp dscp-value
By default, the DSCP value is 48.
81B
Configuring RSVP GR
RSVP GR depends on the RSVP hello extension feature. When configuring RSVP GR, you must
enable RSVP hello extension.
Perform this task on GR-capable devices.
To configure RSVP GR:
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter RSVP view.
rsvp
N/A
3.
Enable GR for RSVP.
graceful-restart enable
By default, RSVP GR is disabled.
4.
Return to system view.
quit
N/A
5.
Enter interface view.
interface
interface-type
interface-number
N/A
6.
Enable RSVP hello
extension.
rsvp hello enable
By default, RSVP hello extension
is disabled.
82B
Enabling BFD for RSVP
If a link fails, MPLS TE tunnels over the link fail to forward packets. MPLS TE cannot quickly detect a
link failure. To address this issue, you can enable BFD for RSVP so MPLS TE can quickly switch
data from the primary path to the backup path upon a link failure.
To enable BFD for RSVP:
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter interface view.
interface interface-type
interface-number
You must enable RSVP on the
interface.
3.
Enable BFD for the RSVP
neighbor on the interface.
rsvp bfd enable
By default, RSVP BFD is disabled.
83B
Displaying and maintaining RSVP
Execute
display
commands in any view and
reset
commands in user view.
Task Command
Display RSVP information.
display rsvp
[
interface
[
interface-type
interface-number
] ]
Display information about the security
associations established with RSVP
display rsvp authentication
[
from ip-address
] [
to
ip-address
] [
verbose
]