Syntax
fast-reroute { auto | route-policy route-policy-name }
undo fast-reroute
Default
IS-IS FRR is disabled.
Views
IS-IS view
Predefined user roles
network-admin
Parameters
auto: Calculates a backup next hop automatically for all routes.
route-policy route-policy-name: Uses the specified routing policy to designate a backup next hop. The
route-policy-name argument is a case-sensitive string of 1 to 63 characters.
Usage guidelines
Do not use FRR and BFD at the same time. Otherwise, FRR might fail to take effect.
Example
# Enable IS-IS FRR to automatically calculate a backup next hop for all routes.
<Sysname> system-view
[Sysname] isis
[Sysname-isis-1] fast-reroute auto
filter-policy export
Use filter-policy export to configure IS-IS to filter redistributed routes.
Use undo filter-policy export to remove the configuration.
Syntax
filter-policy { acl-number | prefix-list prefix-list-name | route-policy route-policy-name } export [ protocol
[ process-id ] ]
undo filter-policy export [ protocol [ process-id ] ]
Views
IS-IS view
Predefined user roles
network-admin
Parameters
acl-number: Specifies an ACL by its number in the range of 2000 to 3999 to filter redistributed routes.
prefix-list prefix-list-name: Specifies an IPv4 prefix list by its name, a case-sensitive string of 1 to 63
characters, to filter redistributed routes by destination address.
route-policy route-policy-name: Specifies a routing policy by its name, a case-sensitive string of 1 to 63
characters, to filter redistributed routes.
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