Configuring Bgp Route Update Delay - HP FlexFabric 12900E Series Configuration Manual

Step
3. Configure
reception filtering policies.

Configuring BGP route update delay

Perform this task to configure BGP to delay sending route updates on reboot to reduce traffic loss.
With this feature enabled, BGP redistributes all routes from other neighbors on reboot, selects the
optimal route, and then advertises it.
To configure BGP route update delay:
Step
1. Enter system view.
2. Enter BGP instance view.
3. Configure BGP to delay
sending route updates on
reboot.
4. (Optional.) Configure BGP to
immediately
updates
match a prefix list.
Command
•
•
•
BGP route
•
•
Command
system-view
bgp
instance-name
[ multi-session-thread ]
bgp
seconds
send route
bgp
for routes that
prefix-list prefix-list-name
Reference ACL or IPv6 prefix list
to filter BGP routes received from
all
filter-policy { ipv6-acl-number |
prefix-list ipv6-prefix-name
import
Reference a routing policy to filter
BGP routes received from a peer
or peer
peer { group-name | ipv6-address
[ prefix-length ] } route-policy
route-policy-name import
Reference an ACL to filter BGP
routes received from a peer or
peer
peer { group-name | ipv6-address
[ prefix-length ] } filter-policy
ipv6-acl-number import
Reference an AS path list to filter
BGP routes received from a peer
or peer
peer { group-name | ipv6-address
[ prefix-length ] } as-path-acl
as-path-acl-number import
Reference an IPv6 prefix list to
filter BGP routes received from a
peer or peer
peer { group-name | ipv6-address
[ prefix-length ] } prefix-list
ipv6-prefix-name import
as-number [ instance
update-delay on-startup
update-delay on-startup
237
Remarks
peers:
}
group:
Use at least one method.
group:
By default,
reception filtering
configured.
group:
group:
Remarks
N/A
] N/A
By default, BGP immediately
sends route updates on reboot.
By default, no prefix list is
specified to filter routes.
Use this command when the
updates for the specified routes
must be sent immediately.
This command is available only
to IPv4 prefix lists.
no route
is