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Configuration Guide - MPLS

S7700 and S9700 V200R010C00

This document describes MPLS configurations supported by the switch, including the principle and configuration procedures of static LSPs, MPLS LDP, MPLS TE, MPLS QoS, MPLS OAM, Seamless MPLS, and MPLS common features, and provides configuration examples.
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What Information Needs to Be Collected If an MPLS LDP Session Fails to Be Established?

What Information Needs to Be Collected If an MPLS LDP Session Fails to Be Established?

After an MPLS LDP session fails to be established, R&D personnel need to collect the following information for analysis:

Command

Description

display mpls ldp session verbose

Displays detailed information about the session status.

display mpls ldp peer verbose

Displays the LDP status: local or remote.

display mpls ldp interface [verbose]

Displays sent and received LDP packets on the interface. If MPLS LDP is disabled on the interface, no command output is displayed.

display mpls ldp remote-peer peer-name

Displays sent and received LDP protocol packets after the remote session is established.

display ip routing-table x.x.x.x verbose

display fib x.x.x.x verbose

Displays whether the route to the peer exists.

display tcp status

Displays whether the TCP connection is in Established state.

display mpls ldp event session-down

Displays the reason for LDP Session Down.

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Updated: 2019-04-18

Document ID: EDOC1000141902

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