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DES-7200 Configuration Guide Chapter 3 MPLS Reliability Configuration
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¾ Backward direction link detection mode
¾ BFD session parameters: interval for transmitting BFD control packets, interval for receiving
BFD control packets and BFD control packet detection time multiplier.
3.2.4.2 Configure BFD on Ingress LSR
By default, BFD for LDP LSP is disabled on the device. To enable BFD for LDP LSP, enter
privileged user mode and execute the following steps to configure BFD for LDP LSP:
Command Function
DES-7200# configure teminal
Enter global configuration mode.
DES-7200(config)# interface type ID
Enter interface configuration mode.
DES-7200(config-if-type ID)#no bfd
echo
Disable Echo.
DES-7200(config-if-type ID)# bfd
interval 50 min_rx 50 multiplier 3
Configure BFD session parameters.
DES-7200(config-if-type ID)# exit
Exit interface configuration mode.
DES-7200(config)#mpls router ldp
Enter LDP configuration mode.
DES-7200(config-mpls-router)# bfd
bind ldp-lsp peer-ip 10.10.10.10
nexthop 1.1.1.2 interface
gigabitEthernet 0/2
local-discriminator 1
remote-discriminator 2
process-state
Configure BFD for LDP LSP and handle BFD
session state. The peer IP address of this LSP is
10.10.10.10; the next-hop address is 1.1.1.2; the
egress interface is gigabitEthernet 0/2.
For manual configuration mode: configure my
discriminator as 1 and your discriminator as 2.
If the Ingress LSR is manually configured, then the
Egress LSR shall be manually configured as well,
which means configurations at both ends shall be
symmetrical.
To disable BFD for LDP LSP, execute "no bfd bind ldp-lsp peer-ip 10.10.10.10 nexthop
1.1.1.2 interface gigabitEthernet 0/2".