Basic MPLS VPN Configuration
▀ Configuration of OSPF and BFD
▄ Cisco ASR 903 Router Design and Deployment Guide
network 10.10.0.0 0.0.255.255 area 0
bfd all-interfaces ! enable BFD
ASR903-PE2 Configuration
interface Loopback10
ip address 10.10.4.4 255.255.255.255
interface GigabitEthernet0/1/1
ip address 10.10.34.4 255.255.255.248
ip ospf dead-interval 3
ip ospf hello-interval 1
ip ospf bfd ! enable BFD under interface
negotiation auto
mpls ip
bfd interval 50 min_rx 50 multiplier 3
no bfd echo
mpls ldp router-id loopback10 force
!
router ospf 100
router-id 10.10.4.4
network 10.10.0.0 0.0.255.255 area 0
!
Verifying the Configuration
ASR903-PE2# show ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface
10.10.3.3 1 FULL/DR 00:00:02 10.10.34.3 GigabitEthernet0/1/1
ASR903-PE2# show bfd neighbors details
IPv4 Sessions
NeighAddr LD/RD RH/RS State Int
10.10.34.3 1/1 Up Up Gi0/1/1
Session state is UP and not using echo function.
Session Host: Hardware
OurAddr: 10.10.34.4
Handle: 1
Local Diag: 0, Demand mode: 0, Poll bit: 0
MinTxInt: 50000, MinRxInt: 50000, Multiplier: 3
Received MinRxInt: 50000, Received Multiplier: 3
Holddown (hits): 0(0), Hello (hits): 50(0)
Rx Count: 43858
Tx Count: 43860
Elapsed time watermarks: 0 0 (last: 0)
Registered protocols: OSPF CEF
Uptime: 00:28:22
Last packet: Version: 1 - Diagnostic: 0
State bit: Up - Demand bit: 0
Poll bit: 0 - Final bit: 0
C bit: 1