SUMMARY STEPS
1.
configure
2.
router bgp as-number
3.
neighbor ip-address
4.
remote-as as-number
5.
address-family { ipv4 | ipv6 } unicast
6.
weight weight-value
7.
commit
DETAILED STEPS
PurposeCommand or Action
configure
Step 1
Specifies the autonomous system number and enters the BGP
configuration mode, allowing you to configure the BGP
routing process.
router bgp as-number
Example:
RP/0/RSP0/CPU0:router(config)# router bgp 120
Step 2
Places the router in neighbor configuration mode for BGP
routing and configures the neighbor IP address as a BGP peer.
neighbor ip-address
Example:
RP/0/RSP0/CPU0:router(config-bgp)# neighbor
172.168.40.24
Step 3
Creates a neighbor and assigns a remote autonomous system
number to it.
remote-as as-number
Example:
RP/0/RSP0/CPU0:router(config-bgp-nbr)#
remote-as 2002
Step 4
Specifies either the IPv4 or IPv6 address family and enters
address family configuration submode.
address-family { ipv4 | ipv6 } unicast
Example:
RP/0/RSP0/CPU0:router(config-bgp-nbr)#
address-family ipv4 unicast
Step 5
To see a list of all the possible keywords and arguments for
this command, use the CLI help (?).
Assigns a weight to all routes learned through the neighbor.
weight weight-value
Example:
RP/0/RSP0/CPU0:router(config-bgp-nbr-af)#
weight 41150
Step 6
commit
Step 7
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.3.x
87
Implementing BGP
Configuring BGP Weights
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