Cisco NCS 6000 Series User Manual

Resetting neighbors is useful if you change the inbound policy for the neighbors or any other configuration
that affects the sending or receiving of routing updates. If an inbound soft reset is triggered, BGP sends a
REFRESH request to the neighbor if the neighbor has advertised the ROUTE_REFRESH capability. To
determine whether the neighbor has advertised the ROUTE_REFRESH capability, use the show bgp neighbors
command.
SUMMARY STEPS
1. show bgp neighbors
2. clear bgp { ipv4 | ipv6} { unicast | labeled-unicast } soft [ in [ prefix-filter ] | out ]
DETAILED STEPS
PurposeCommand or Action
Verifies that received route refresh capability from the
neighbor is enabled.
show bgp neighbors
Example:
Step 1
RP/0/RP0/CPU0:router# show bgp neighbors
Soft resets a BGP neighbor.clear bgp { ipv4 | ipv6} { unicast | labeled-unicast }
soft [ in [ prefix-filter ] | out ]
Step 2
• The * keyword resets all BGP neighbors.
Example:
• The ip-address argument specifies the address of the
neighbor to be reset.
RP/0/RP0/CPU0:router# clear bgp ipv4 unicast
10.0.0.1 soft in
• The as-number argument specifies that all neighbors
that match the autonomous system number be reset.
• The external keyword specifies that all external
neighbors are reset.
Resetting Neighbors Using BGP Outbound Soft Reset
Perform this task to trigger an outbound soft reset of the specified address families for the specified group or
neighbors. The group is specified by the * , ip-address , as-number , or external keywords and arguments.
Resetting neighbors is useful if you change the outbound policy for the neighbors or any other configuration
that affects the sending or receiving of routing updates.
If an outbound soft reset is triggered, BGP resends all routes for the address family to the given neighbors.
To determine whether the neighbor has advertised the ROUTE_REFRESH capability, use the show bgp
neighbors command.
SUMMARY STEPS
1. show bgp neighbors
2. out
Routing Configuration Guide for Cisco NCS 6000 Series Routers, IOS XR Release 6.4.x
78
Implementing BGP
Resetting Neighbors Using BGP Outbound Soft Reset

Cisco NCS 6000 Series Specifications

General

Brand	Cisco
Model	NCS 6000 Series
Category	Network Router
Language	English