Cisco ASR 9000 Series Routing Configuration Guide

SUMMARY STEPS
1.
configure
2.
router bgp as-number
3.
address-family ipv4 unicast
4.
exit
5.
neighbor-group name
6.
tcp mss segment-size
7.
address-family ipv4 unicast
8.
exit
9.
exit
10.
neighbor ip-address
11.
remote-as as-number
12.
use neighbor-group group-name
13.
tcp mss inheritance-disable
14.
address-family ipv4 unicast
15.
commit
DETAILED STEPS
PurposeCommand or Action
Enters Global Configuration mode.configure
Example:
RP/0/RSP0/CPU0:router# 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 10
Step 2
Specifies the IPv4 address family unicast and enters address
family configuration mode.
address-family ipv4 unicast
Example:
RP/0/RSP0/CPU0:router(config-bgp)#
address-family ipv4 unicast
Step 3
Exits router address family configuration mode, and returns
to BGP configuration mode.
exit
Example:
RP/0/RSP0/CPU0:router(config-bgp-af)# exit
Step 4
Enters neighbor group configuration mode.
neighbor-group name
Example:
RP/0/RSP0/CPU0:router(config-bgp)#
neighbor-group n1
Step 5
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.3.x
96
Implementing BGP
Disabling Per Neighbor TCP MSS

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