PurposeCommand or Action
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 5
Specifies either an IPv4 or IPv6 address family unicast
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 6
To see a list of all the possible keywords and arguments
for this command, use the CLI help (?).
Applies the specified policy to inbound routes.
route-policy route-policy-name { in | out }
Example:
RP/0/RSP0/CPU0:router(config-bgp-nbr-af)#
route-policy drop-as-1234 in
Step 7
commit
Step 8
Configuring BGP Attribute Filtering
Perform the following tasks to configure BGP attribute filtering:
SUMMARY STEPS
1.
configure
2.
router bgp as-number
3.
attribute-filter group attribute-filter group name
4.
attribute attribute code { discard | treat-as-withdraw }
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
100
Step 2
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.1.x
102 OL-30423-03
Implementing BGP
Configuring BGP Attribute Filtering
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