Example For Configuring Dynamic Bfd For Ldp Lsps - Huawei Quidway S9300 series Configuration Manual

Quidway S9300 Terabit Routing Switch
Configuration Guide - MPLS

2.16.6 Example for Configuring Dynamic BFD for LDP LSPs

Networking Requirements
As shown in
is established between LSRA and LSRC. Dynamic BFD is required to detect the connectivity
of the LDP LSP.
Figure 2-6 Networking diagram for configuring dynamic BFD for LDP LSPs
Loopback0
1.1.1.1/32
Device
LSRA
LSRB
LSRC
Configuration Roadmap
The configuration roadmap is as follows:
1.
2.
Issue 04 (2011-12-26)
port default vlan 40
#
interface LoopBack1
ip address 4.4.4.4 255.255.255.255
#
bfd 4to1 bind peer-ip 1.1.1.1
discriminator local 2
discriminator remote 1
commit
#
ospf 1
area 0.0.0.0
network 4.4.4.4 0.0.0.0
network 10.2.1.0 0.0.0.255
network 10.4.1.0 0.0.0.255
#
return
Figure 2-6, LSRA, LSRB, and LSRC belong to one MPLS domain; an LDP LSP
GE1/0/0 GE1/0/0
LSRA
Interface
GE 1/0/0
GE 1/0/0
GE 2/0/0
GE 2/0/0
Establish an LDP LSP between LSRA and LSRC.
Configure BFD.
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Loopback0
2.2.2.2/32
GE2/0/0
LSRB
VLANIF interface
VLANIF 10
VLANIF 10
VLANIF 20
VLANIF 20
2 MPLS LDP Configuration
Loopback0
3.3.3.3/32
GE2/0/0
LSRC
IP address
10.1.1.1/24
10.1.1.2/24
10.2.1.1/24
10.2.1.2/24
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