R211x-HP Flexfabric 11900 Layer 3 - IP Routing Command Reference

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Related commands
• peer reflect-client
• reflect between-clients
refresh bgp ipv4 unicast
Use refresh bgp ipv4 unicast to manually soft-reset BGP sessions for the IPv4 unicast address family.
Syntax
refresh bgp { ip-address | all | external | group group-name | internal } { export | import } ipv4
[ unicast ] [ vpn-instance vpn-instance-name ]
Views
User view
Predefined user roles
network-admin
mdc-admin
Parameters
ip-address: Soft-resets the BGP session to the specified peer. The ip-address argument refers to the IP
address of a peer.
all: Soft-resets all BGP sessions.
external: Soft-resets all EBGP sessions.
group group-name: Soft-resets the BGP sessions to the peers of the specified peer group. The group-name
argument refers to the name of a peer group, a case-sensitive string of 1 to 47 characters.
internal: Soft-resets all IBGP sessions.
export: Performs outbound soft-reset (filters routes advertised to the specified peer or peer group by using
the new configuration).
import: Performs inbound soft-reset (filters routes received from the specified peer or peer group by using
the new configuration).
vpn-instance vpn-instance-name: Specifies an MPLS L3VPN instance by its name, a case-sensitive string
of 1 to 31 characters. If no VPN instance is specified, this command performs manual soft-reset on BGP
sessions for the public network IPv4 unicast address family.
Usage guidelines
A soft-reset operation enables the router to apply a new route selection policy without tearing down BGP
connections.
To apply a new policy to outbound BGP sessions, execute this command with the export keyword. The
router uses the new policy to filter routing information and sends the routing information that passes the
filtering to the BGP peers.
To apply a new policy to inbound sessions, execute this command with the import keyword. The router
advertises a route-refresh message to the peer and the peer resends its routing information to the router.
After receiving the routing information, the router uses the new policy to filter the routing information.
This command requires that both the local router and the peer support route refresh.