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Log Reference

CloudEngine 8800, 7800, 6800, and 5800 V200R005C00

This document provides the explanations, causes, and recommended actions of logs on the product.
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LDP/4/LDP_SESSION_DOWN

LDP/4/LDP_SESSION_DOWN

Message

LDP/4/LDP_SESSION_DOWN:MPLS LDP session went down. (PID=[hPid], CID=[hCid], SessionUpTime=[SessionUpTime], SessionDownTime=[SessionDownTime], GRSessionFlag=[FTFlag], PeerID=[PeerID], DiscoverySource=[DiscoverySourceIndex], LocalAddr=[LocalAddress], PeerAddr=[PeerAddress], SessionRole=[SessionRole], SessionType=[SessionType], KASendCount=[KaSendCount], KARecvCount=[KaRecvCount], VrfName=[VrfName], TCPConnSocket=([TcpFD],[TcpPipeId]), TCPLsnSocket=([LsFD],[LsPipeId]), FlowCount=[FlowCount], FlowRelCount=[FlowRelCount], DetailReason=[SubReason], Reason=[Reason], GR-helperFlag=[GRHelperFlag], LastKaSendTime=[LastKaSendTime], LastKaRecvTime=[LastKaRecvTime])

Description

The reason of the LDP session Down event and help information were displayed.

Parameters

Parameter Name Parameter Meaning
hPid Local PID
hCid Local CID
SessionUpTime Time when the session was established
SessionDownTime Time when the session went Down
FTFlag Whether the session is enabled with GR
PeerID Peer ID
DiscoverySourceIndex Index of an interface
LocalAddress Local address
PeerAddress Peer address
SessionRole Role in a session
SessionType LDP session type
KaSendCount Number of sent Keepalive messages
KaRecvCount Number of received Keepalive messages
VrfName VPN name
TcpFD TCP socket ID
TcpPipeId TCP pipe ID
LsFD TCP listening socket ID
LsPipeId TCP listening socket pipe ID
FlowCount Number of flows
FlowRelCount Number of parsed flows
SubReason Subreason for an LDP session disconnection
Reason Reason for an LDP session disconnection
GRHelperFlag Whether the LSR is a GR Helper
LastKaSendTime Time when the last Keepalive message was sent
LastKaRecvTime Time when the last Keepalive message was received

Possible Causes

1-The Hello Hold timer of the LDP session expired.

2-The Keepalive Hold timer of the LDP session expired.

3-The reset mpls ldp command was run.

4-The undo mpls ldp command was run.

5-The undo mpls command was run.

6-The undo mpls ldp remote-peer command was run.

7-GR was enabled for the LDP session.

8-The value of the GR timer was changed.

9-The value of the Keepalive Hold timer was changed.

10-LDP MD5 was enabled for the LDP session.

11-The role of the LDP session changed.

12-The value of MTU was changed.

13-The transport address of the LDP session was changed.

14-An LSR ID of the LDP session was changed.

15-A Notification message was received.

16-The transport address of the LDP session was mismatched.

17-The protocol GR was configed for the LDP session.

18-The interface state was changed.

19-The TCP session was down.

20-Other.

21-A notification message was sent.

22-The LDP session cannot be set up.

23-An error message was received from a peer.

24-A socket error was received.

25-The LDP session was deleted.

26-The Capability configuration was changed.

28-The P2MP Capability configuration was changed.

29-An LSR ID of the LDP session was deleted.

30-The LDP session Protection time expired.

31-RLFA Route was deleted.

32-Super large quantity messages were received.

Procedure

  1. Collect the trap information, log information, and configuration information, and Collect log information and configuration information, and then contact technical support personnel..
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Updated: 2019-04-20

Document ID: EDOC1100039602

Views: 132509

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