5-26
Related commands:
area-authentication-mode
,
isis authentication-mode
.
Examples
# Specify the routing domain authentication mode as
simple
and password as
123456
.
<Sysname> system-view
[Sysname] isis 1
[Sysname-isis-1] domain-authentication-mode simple 123456
fast-reroute
Syntax
fast-reroute
{
auto
|
route-policy
route-policy-name
}
undo fast-reroute
View
IS-IS view
Default Level
2: System level
Parameters
auto
: Calculates a backup next hop automatically for all routes.
route-policy
route-policy-name
: References a route policy to designate a next hop. The
route-policy-name
argument is a string of 1 to 19 characters. You can specify the backup next hop in
the route policy.
Description
Use the
fast-reroute
command to configure IS-IS fast reroute (FRR).
Use the
undo fast-reroute
command to restore the default.
By default, IS-IS FRR is disabled.
Do not use IS-IS FRR and BFD (for IS-IS) at the same time; otherwise, IS-IS FRR may fail to take
effect.
Example
# Enable IS-IS FRR to automatically calculate a backup next hop for all routes.
<Sysname> system-view
[Sysname] bfd echo-source-ip 1.1.1.1
[Sysname] isis
[Sysname-isis-1] fast-reroute auto
# Enable IS-IS FRR to designate a backup next hop by using a route policy named
frr
.
<Sysname> system-view
[Sysname] bfd echo-source-ip 1.1.1.1
[Sysname] ip ip-prefix abc index 10 permit 100.1.1.0 24
