H3C Technologies H3C S7500E Series Switches User Manual
Page 82
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# After the above configurations, execute the display mpls ldp lsp command on each switch to view
the LDP LSP information. Take Switch A as an example:
LDP LSP Information
-------------------------------------------------------------------
SN DestAddress/Mask In/OutLabel Next-Hop In/Out-Interface
------------------------------------------------------------------
1 1.1.1.9/32 3/NULL 127.0.0.1 -------/InLoop0
2 2.2.2.9/32 NULL/3 10.1.1.2 -------/Vlan1
3 3.3.3.9/32 NULL/1024 10.1.1.2 -------/Vlan1
4 20.1.1.0/24 NULL/3 10.1.1.2 -------/Vlan1
-------------------------------------------------------------------
A '*' before an LSP means the LSP is not established
A '*' before a Label means the USCB or DSCB is stale
# On Switch A, check the validity and connectivity of the LDP LSP from Switch A to Switch C.
[SwitchA] ping lsp ipv4 3.3.3.9 32
LSP Ping FEC: LDP IPV4 PREFIX 3.3.3.9/32 : 100 data bytes, press CTRL_C to break
Reply from 20.1.1.2: bytes=100 Sequence=1 time = 75 ms
Reply from 20.1.1.2: bytes=100 Sequence=2 time = 75 ms
Reply from 20.1.1.2: bytes=100 Sequence=3 time = 74 ms
Reply from 20.1.1.2: bytes=100 Sequence=4 time = 75 ms
Reply from 20.1.1.2: bytes=100 Sequence=5 time = 74 ms
--- FEC: LDP IPV4 PREFIX 3.3.3.9/32 ping statistics ---
5 packet(s) transmitted
5 packet(s) received
0.00% packet loss
round-trip min/avg/max = 74/74/75 ms
# On Switch C, check the validity and connectivity of the LDP LSP from Switch C to Switch A.
[SwitchC] ping lsp ipv4 1.1.1.9 32
LSP Ping FEC: LDP IPV4 PREFIX 1.1.1.9/32 : 100 data bytes, press CTRL_C to break
Reply from 10.1.1.1: bytes=100 Sequence=1 time = 75 ms
Reply from 10.1.1.1: bytes=100 Sequence=2 time = 75 ms
Reply from 10.1.1.1: bytes=100 Sequence=3 time = 74 ms
Reply from 10.1.1.1: bytes=100 Sequence=4 time = 74 ms
Reply from 10.1.1.1: bytes=100 Sequence=5 time = 74 ms
--- FEC: LDP IPV4 PREFIX 1.1.1.9/32 ping statistics ---
5 packet(s) transmitted
5 packet(s) received
0.00% packet loss
round-trip min/avg/max = 74/74/75 ms