isis primary-path-detect bfd
Use isis primary-path-detect bfd to enable BFD for IS-IS FRR or IS-IS PIC.
Use undo isis primary-path-detect bfd to disable BFD for IS-IS FRR or IS-IS PIC.
Syntax
isis primary-path-detect bfd { ctrl | echo }
undo isis primary-path-detect bfd
Default
BFD is disabled for IS-IS FRR or IS-IS PIC.
Views
Interface view
Predefined user roles
network-admin
Parameters
ctrl: Specifies the BFD control packet mode.
echo: Specifies the BFD echo packet mode.
Usage guidelines
This command enables IS-IS FRR or IS-IS PIC to use BFD to detect primary link failures.
Examples
# Enable BFD control packet mode for IS-IS FRR on VLAN-interface 10.
<Sysname> system-view [Sysname] isis 1 [Sysname-isis-1] address-family ipv4 [Sysname-isis-1-ipv4] fast-reroute lfa [Sysname-isis-1-ipv4] quit [Sysname-isis-1] quit [Sysname] interface vlan-interface 10 [Sysname-Vlan-interface10] isis primary-path-detect bfd ctrl
# Enable BFD echo packet mode for IS-IS PIC on VLAN-interface 11.
<Sysname> system-view [Sysname] isis 1 [Sysname-isis-1] pic additional-path-always [Sysname-isis-1] quit [Sysname] bfd echo-source-ip 1.1.1.1 [Sysname] interface vlan-interface 11 [Sysname-Vlan-interface11] isis primary-path-detect bfd echo