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neighbor 172.30.1.250 route-map rmap1 in
neighbor 172.30.1.250 password 7 5ab3eb9a15ed02ff4f0dfd4500d6017873cfd9a267c04957
neighbor 172.30.1.250 no shutdown
5332332 9911991 65057 18508 12182 7018 46164 i
The following example shows the bgp asnotation asdot command output.
DellEMC(conf-router_bgp)#bgp asnotation asdot
DellEMC(conf-router_bgp)#sho conf
!
router bgp 100
bgp asnotation asdot
bgp four-octet-as-support
neighbor 172.30.1.250 remote-as 18508
neighbor 172.30.1.250 local-as 65057
neighbor 172.30.1.250 route-map rmap1 in
neighbor 172.30.1.250 password 7 5ab3eb9a15ed02ff4f0dfd4500d6017873cfd9a267c04957
neighbor 172.30.1.250 no shutdown
5332332 9911991 65057 18508 12182 7018 46164 i
The following example shows the bgp asnotation asdot+ command output.
DellEMC(conf-router_bgp)#bgp asnotation asdot+
DellEMC(conf-router_bgp)#sho conf
!
router bgp 100
bgp asnotation asdot+
bgp four-octet-as-support
neighbor 172.30.1.250 remote-as 18508
neighbor 172.30.1.250 local-as 65057
neighbor 172.30.1.250 route-map rmap1 in
neighbor 172.30.1.250 password 7 5ab3eb9a15ed02ff4f0dfd4500d6017873cfd9a267c04957
neighbor 172.30.1.250 no shutdown
5332332 9911991 65057 18508 12182 7018 46164 i
Configuring a BGP peer
To configure a BGP neighbor or peer, you must provide the IP address and the AS number of each neighbor since BGP does not
discover the neighbor or peer. Neighbors that are present with the same AS communicate using IBGP while the neighbors that
are present in different AS communicate using EBGP. To allow the neighbor to establish a BGP session, you have to enable the
neighbor by providing neighbor no shutdown command. To configure BGP between two peers, use the following
commands.
Following are the steps to configure a BGP peer. The following example configuration demonstrates how the configure a
neighbor and IPv4 multicast address family. The default is IPv4 unicast address family.
● Enter the router configuration mode and the AS number.
CONFIG mode
router bgp as-number
● Add the IP address of the neighbor for the specified autonomous system.
CONFIG-ROUTER-BGP mode
neighbor {ip-address | ipv6–address | peer-group-name} remote-as as-number
● Enable the neighbor.
CONFIG-ROUTERBGP mode
neighbor ip-address | ipv6-address | peer-group-name no shutdown
● Specify the IPv4 address family configuration.
CONFIG-ROUTER-BGP mode
address-family ipv4 [multicast | vrf vrf-name]
multicast — Specifies the IPv4 multicast address family.
vrf vrf-name — Specifies the name of VRF instance associated with the IPv4 address-family configuration.
● Enable the neighbor to exchange prefixes for IPv4 unicast address family.
CONFIG-ROUTER-BGP-AF (Address Family) mode
Border Gateway Protocol (BGP)
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