Cisco ASR 9000 Series Configuration Guide

Before You Begin
See the Implementing Routing Policy on Cisco ASR 9000 Series Router module of Cisco ASR 9000 Series
Aggregation Services Router Routing Configuration Guide (this publication) for a list of the supported
attributes and operations that are valid for inbound and outbound neighbor policy filtering.
SUMMARY STEPS
1.
configure
2.
route-policy name
3.
end-policy
4.
router bgp as-number
5.
neighbor ip-address
6.
address-family { ipv4 | ipv6 } unicast
7.
route-policy route-policy-name { in | out }
8.
commit
DETAILED STEPS
PurposeCommand or Action
configure
Step 1
(Optional) Creates a route policy and enters route policy
configuration mode, where you can define the route
policy.
route-policy name
Example:
RP/0/RSP0/CPU0:router(config)# route-policy
Step 2
drop-as-1234
RP/0/RSP0/CPU0:router(config-rpl)# if as-path
passes-through '1234' then
RP/0/RSP0/CPU0:router(config-rpl)# apply
check-communities
RP/0/RSP0/CPU0:router(config-rpl)# else
RP/0/RSP0/CPU0:router(config-rpl)# pass
RP/0/RSP0/CPU0:router(config-rpl)# endif
(Optional) Ends the definition of a route policy and exits
route policy configuration mode.
end-policy
Example:
RP/0/RSP0/CPU0:router(config-rpl)# end-policy
Step 3
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 4
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.1.x
OL-30423-03 101
Implementing BGP
Configuring BGP Route Filtering by Route Policy

Cisco ASR 9000 Series Specifications

General

Series	ASR 9000
Category	Network Router
Modular Design	Yes
Redundancy	Yes (Hardware and Software)
Operating System	Cisco IOS XR
Interfaces/Ports	10G, 40G, 100G, 400G Ethernet
Expansion Slots	Varies by model
Routing Protocol	BGP, OSPF, IS-IS, EIGRP
Management	CLI, SNMP, NETCONF
Power Supply	Redundant
Port Density	Varies by model
Power Supply Options	AC, DC
Memory	Varies by model
Storage	Varies by model
Dimensions	Varies by model
Weight	Varies by model