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DES-7200 Configuration Guide Chapter 1 MPLS Configuration
1-16
4. Check the LSP connectivity.
Command Function
DES-7200# ping mpls ipv4
ip-address/mask [repeat repeat] [ttl
time-to-live] [timeout timeout] [size
size] [interval mseconds] [source
ip-address] [destination ip-address]
[force-explicit-null] [pad pattern]
[reply mode {ipv4 | router-alert}]
[dsmap] [flags fec] [verbose]
Check the LSP connectivity.
DES-7200# traceroute mpls ipv4
ip-address/mask [timeout timeout] [ttl
ttl] [source ip-address] [destination
ip-address] [force-explicit-null] [reply
mode {ipv4 | router-alert}] [flags fec]
[verbose]
Check the LSR nodes that the LSP passes
through.
1.2.2 Configuring Optional LDP
Parameters (Optional)
You can modify the default LDP parameters as required. To modify LDP parameters, you should
run the commands in the LDP or the interface configuration mode.
1.2.2.1 Configuring Parameters for an LDP
Session
Configuring the LDP Router ID
The LDP Router ID, expressed in the format of IP addresses, uniquely identifies one LSR in a
domain. By default, the LDP uses the system Router ID as the LDP Router ID, that is, the LSR ID.
The value of an LDP Router ID must be globally unique. In addition, the LDP Router ID must be
reachable to other LSRs. This is because the LDP defaults the LDP Router ID as the transport
address. You can run the ldp router-id command to modify the LSR ID.
Command Function
DES-7200(config-mpls-router)# ldp
router-id interface interface-name
[force]
Specify the address of an interface as the LDP
Router ID of the LSR. force indicates that the
current configurations immediately take effect.