R3303-HP HSR6800 Routers MPLS Configuration Guide

64
Configuring the RSVP refresh mechanism
To enhance reliability of RSVP message transmission, the Message_ID extension mechanism is used to
acknowledge RSVP messages. The Message_ID extension mechanism is also referred to as "the
reliability mechanism" throughout this document.
After you enable RSVP message acknowledgement on an interface, you can enable retransmission.
To use Srefresh, you must use the Message_ID extension. Only states advertised using MESSAGE_ID
included Path and Resv messages can be refreshed using summary refreshes.
To configure RSVP refreshing mechanism:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Enter interface view of MPLS TE
link.
interface interface-type interface-number N/A
3. Enable the reliability mechanism
of RSVP-TE.
mpls rsvp-te reliability
Optional.
Disabled by default.
4. Enable retransmission.
mpls rsvp-te timer retransmission
{ increment-value [ increment-value ] |
retransmit-value [ retrans-timer-value ] } *
Optional.
Disabled by default.
5. Enable summary refresh.
mpls rsvp-te srefresh
Optional.
Disabled by default.
Configuring the RSVP hello extension
RSVP hello extension tests the reachability of RSVP neighboring nodes. It is defined in RFC 3209.
To configure the RSVP hello extension:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Enter MPLS view.
mpls N/A
3. Enable global RSVP hello
extension.
mpls rsvp-te hello Disabled by default.
4. Configure the maximum
number of consecutive hellos
that must be lost before the
link is considered failed..
mpls rsvp-te hello-lost times
Optional.
By default, the link is considered
failed if three consecutive hellos
are lost.
5. Configure the hello interval.
mpls rsvp-te timer hello timevalue
Optional.
The default is 3 seconds.
6. Exit to system view.
quit N/A
7. Enter interface view of MPLS
TE link.
interface interface-type
interface-number
N/A
8. Enable interface RSVP hello
extension.
mpls rsvp-te hello Disabled by default.