Example For Configuring Bfd For Vpn Routes - Huawei NetEngine80E Configuration Manual - Reliability

HUAWEI NetEngine80E/40E Router
Configuration Guide - Reliability
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5.17.11 Example for Configuring BFD for VPN Routes

In this example, a BFD session on interfaces of a VPN is configured to detect faults in VPN
routes.
Networking Requirements
Figure 5-14
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Figure 5-14 Networking diagram of BFD for VPN routes
10.1.1.2/24
Configuration Roadmap
The configuration roadmap is as follows:
Issue 02 (2014-09-30)
#
return
Configuration file of Router B
#
sysname RouterB
#
interface gigabitethernet1/0/0
ip address 10.1.1.2 255.255.255.0
#
return
NOTE
ATM interfaces cannot be configured on the -X1 and -X2 models ofNE80E/40Es.
shows a networking diagram of BFD for VPN routes.
CE1 and CE2 belong to VPN-A. They access an MPLS backbone network through PE1
and PE2 respectively.
GE 1/0/0 of PE1 and GE 1/0/0 of PE2 are bound to VPN-A.
BFD in asynchronous mode is used to detect faults in the VPN route between PE1 and PE2.
Loopback1
1.1.1.1/32
172.16.1.2/24
PE1
POS2/0/0
GE1/0/0
172.16.1.1/24
GE1/0/0
10.1.1.1/24
CE1
VPN-A
AS:65410
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Loopback1
2.2.2.2/32
POS1/0/0 POS2/0/0
172.20.1.1/24
P
MPLS Backbone
AS:100
5 BFD Configuration
Loopback1
3.3.3.3/32
PE2
POS2/0/0
GE1/0/0
172.20.1.2/24
10.2.1.2/24
GE1/0/0
10.2.1.1/24
CE2
VPN-A
AS:65420
411