H3C Technologies H3C S7500E Series Switches - Manual (Page 65)

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For introduction and configuration of BFD, see BFD Configuration in the High Availability
Configuration Guide .
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An LSP can be bound to only one BFD session.
Follow these steps to configure BFD for MPLS LDP:
To do… Use the command… Remarks
Enter system view system-view —
Enter MPLS LDP remote peer
view
mpls ldp remote-peer
remote -peer-name
—
Enable BFD for MPLS LDP remote-ip bfd
Required
Disabled by default
The cooperation of MPLS LDP and BFD can be used to detect communication failures between
remote LDP peers only. For related configuration examples, see VPLS Configuration in the MPLS
Configuration Guide .
Resetting LDP Sessions
If you change LDP session parameters when some LDP sessions are up, the LDP sessions will not be
able to function normally. In this case, you need to reset the LDP session so that the LDP peers
renegotiate parameters and establish new sessions.
Use the following command to reset LDP sessions:
To do… Use the command… Remarks
Reset LDP sessions
reset mpls ldp [ all |
[ vpn-instance
vpn-instance-name ] [ fec mask |
peer peer-id ] ]
Available in user view