PFC3BXL or PFC3B Mode VPN Switching
http://www.cisco.com/en/US/docs/ios/12_2/switch/configuration/guide/xcftagc_ps1835_TSD_Product
s_Configuration_Guide_Chapter.html.
If you use a Layer 3 VLAN interface as the MPLS uplink through a Layer 2 port peering with another
Note
MPLS device, then you can use another Layer 3 VLAN interface as the VRF interface.
MPLS VPN Sample Configuration
This sample configuration shows LAN, OSM, and FlexWAN CE-facing interfaces. PFC3BXL or PFC3B
mode MPLS switching configuration is identical to configuration on other platforms.
!ip vrf blues
rd 100:10
route-target export 100:1
route-target import 100:1
!
mpls label protocol ldp
mpls ldp logging neighbor-changes
mls mpls tunnel-recir
!
interface Loopback0
ip address 10.4.4.4 255.255.255.255
!
interface GigabitEthernet4/2
description Catalyst link to P2
no ip address
mls qos trust dscp
!
interface GigabitEthernet4/2.42
encapsulation dot1Q 42
ip address 10.0.3.2 255.255.255.0
tag-switching ip
!
interface GigabitEthernet7/3
description Catalyst link to CE2
no ip address
mls qos trust dscp
!
interface GigabitEthernet7/3.73
encapsulation dot1Q 73
ip vrf forwarding blues
ip address 10.19.7.1 255.255.255.0
!
interface POS8/1
description OSM link to CE3
ip vrf forwarding blues
ip address 10.19.8.1 255.255.255.252
encapsulation ppp
mls qos trust dscp
pos scramble-atm
pos flag c2 22
!
interface POS9/0/0
description FlexWAN link to CE1
ip vrf forwarding blues
ip address 10.19.9.1 255.255.255.252
encapsulation ppp
pos scramble-atm
pos flag c2 22
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
24-12
Chapter 24
Configuring PFC3BXL and PFC3B Mode Multiprotocol Label Switching
OL-4266-08