Download Cisco IGX 8 Specifications

Chapter 10
Cisco IGX 8400 Series IP Service
IP Service Provisioning
Command
Purpose
Step 5
Router(config-router)# neighbor address
update-source interface
Defines a IBGP session.
Step 6
Router(config-router-af)# neighbor address activate
Activates the advertisement of VPNv4 NLRIs.
Configuring Import and Export Routes for MPLS VPN Operation
To configure import and export routes to control the distribution of routing information, perform these
steps on the PE router:
Command
Purpose
Step 1
Router(config)# ip vrf vrf-name
Enters VRF configuration mode and specify a VRF.
Step 2
Router(config-vrf)# route-target import
community-distinguisher
Imports routing information to the specified
extended community.
Step 3
Router(config-vrf)# route-target export
community-distinguisher
Exports routing information to the specified
extended community.
Step 4
Router(config-vrf)# import map route-map
Associates the specified route map with the VRF.
Verifying MPLS VPN Operation
To verify VPN operation, perform these steps on the PE router:
Command
Purpose
Step 1
Router# show ip vrf
Displays the set of defined VRFs and interfaces.
Step 2
Router# show ip vrf detail
Displays VRF information including import and
export community lists.
Step 3
Router# show ip route vrf vrf-name
Displays the IP routing table for a VRF.
Step 4
Router# show ip protocols vrf vrf-name
Displays the routing protocol information for a
VRF.
Step 5
Router# show ip cef vrf vrf-name
Displays the CEF forwarding table associated with a
VRF.
Step 6
Router# show ip interface interface-number
Displays the VRF table associated with an interface.
Step 7
Router# show ip bgp vpnv4 all [tags]
Displays VPNv4 NLRI information.
Step 8
Router# show mpls forwarding vrf vrf-name [prefix
mask/length][detail]
Displays label forwarding entries that correspond to
VRF routes advertised by this router.
Sample MPLS VPN Configuration File
Please see Example 10-8 for a sample MPLS-VPN configuration file from a PE router.
Example 10-8 Sample MPLS-VPN Configuration File from a PE Router Using BGP
Router1# show run
Building configuration...
Current configuration:
!
version 12.1
Cisco IGX 8400 Series Provisioning Guide, Release 9.3.3 and Later Releases
OL-1166-04
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