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Log Reference

AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R007

This document supports all the logs of device, including the parameters, meaning, possible causes and solution.

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When the tunnel status is UP, UPDATE, or UNKNOWN:

ADP-IPSEC/4/TunnelStateSwitched: The IPSec tunnel state is switched [STRING]. (local-ip: [STRING], remote-ip: [STRING])

When the tunnel status is DOWN:

ADP-IPSEC/4/TunnelStateSwitched: The IPSec tunnel state is switched DOWN. (local-ip: [STRING], remote-ip: [STRING], OfflineReason: [STRING])


The IPSec tunnel state was switched.


Parameter Name Parameter Meaning
[STRING] Indicates the tunnel status.
  • UP: The tunnel is in the connected state.
  • DOWN: The tunnel is in the disconnected state.
  • UPDATE: The tunnel is in the update state.
  • UNKNOWN: The tunnel is in the unknown state.
local-ip Indicates the IP address of a local peer.
remote-ip Indicates the IP address of a remote peer.
OfflineReason Indicates the reason for tunnel Down.
  • dpd timeout: DPD detection timed out.
  • peer request: The peer requested to delete the tunnel.
  • hard expire: The SA lifetime timed out.
  • unknown: The reason is unknown.

Possible Causes

The tunnel status changed.


  1. Check the tunnel link status.
  2. Check whether the security policy or the IPSec profile changed.
Updated: 2019-05-29

Document ID: EDOC1000097209

Views: 134362

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