Chapter 50
| IP Routing Commands
Border Gateway Protocol (BGPv4)
– 1117 –
â—† The command is only available when route refresh capability is not enabled.
Route refresh (RFC 2918) allows a router to reset inbound routing tables
dynamically by exchanging route refresh requests with peers. Route refresh
relies on the dynamic exchange of information with supporting peers. It is
advertised through BGP capability negotiation, and all BGP routers must
support this capability.
â—† To use soft reconfiguration, without preconfiguration, both BGP neighbors
must support the soft route refresh capability advertised in open messages
sent when a BGP session is established. To see if a BGP router supports this
capability, use the show ip bgp neighbors command.
Example
Console(config-router)#neighbor 11.1.1.120 soft-reconfiguration inbound
Console(config-router)#
neighbor strict-
capability-match
This command forces strict capability matching when establishing connections.
Use the no form to disable this requirement.
Syntax
[no] neighbor {ip-address | group-name} strict-capability-match
ip-address – IP address of a neighbor.
group-name – A BGP peer group containing a list of neighboring routers
configured with the neighbor peer-group command.
Command Mode
Router Configuration
Default Setting
Disabled
Command Usage
This command specifies that a connection can only be established when the both
sides have perfectly matching capabilities.
Example
Console(config-router)#neighbor 10.1.1.66 strict-capability-match
Console(config-router)#
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