| Router(config-router-af)#neighbor
ip-address
as-override | Configures a PE router to override the AS number of a site with the AS number of a provider. |
| Router(config-router-af)#neighbor allowas-in
number | Configures a PE router to allow readvertisement of all prefixes containing duplicate AS numbers. |
| Router(config-router)#neighbor
peer-group-name
peer-group | Creates a BGP or multiprotocol BGP peer group. |
| Router(config-router)#neighbor {ip-address | peer-group-name} route-map
map-name {in | out} | Applies a route-map to incoming or outgoing routes. |
| Router(config-router-af)#neighbor
ip-address
route-reflector-client | To configure the router as a BGP RR and configure the specified neighbor as its client, use the neighbor route-reflector-client command in address-family or router configuration mode. |
| Router(config-router)#neighbor {ip-address | peer-group-name} send-community [both | standard | extended] | Specifies that a community’s attribute should be sent to a BGP neighbor. |
| Router(config-router)#neighbor {ip-address | ipv6-address | peer-group-name} update-source
interface-type interface-number | Allows BGP sessions to use any operational interface for TCP connections. |
| Router(config-router)#no bgp default ipv4-unicast | Disables the IPv4 unicast address-family on all neighbors. |
| Router(config-router)#bgp rr-group {community-list-number} | Creates a RR group and enables automatic inbound filtering for VPNv4 updates based on the allowed route target extended communities. |
| Router(config)#ip bgp-community new-format | Displays BGP communities in the format AA:NN. |
| Router (config)#ip community-list {standard-list-number | expanded-list-number [regular-expression] | {standard | expanded} community-list-name} {permit | deny} {community-number | regular-expression} | Creates a numbered or named community list for BGP and controls access to it. |
| Router(config)#ip extcommunity-list
standard-list-number expanded-list-number {permit | deny} [regular-expression] [rt | soo
extended-community-value] | Creates an extended community access-list and controls access to it. |
| Router(config-map)#set community {community-number [additive] | none} | Sets the BGP communities attribute. |
| Router(config-map)#set extcommunity {rt
extended-community-value [additive] | soo
extended-community-value} | Sets BGP extended-community attributes. |
