Description

This article explains the "UI_OPEN_TIMEOUT connecting to peer" messages which appear unexpectedly in the switch logs. This issue has been corrected in Junos OS 12.3R2 and later releases.

Symptoms

Junos OS 12.3R1 displays unexpected timeout alarms in the EX switch logs.


Solution

A switch on Junos OS 12.3R1  erroneously shows timeout alarms for various services/functions. This is triggered due to various show commands issued on the EX switch.

Note: Although some examples are provided below, not all variations of the commands and the associated output can be provided, as each circumstance will be different.  If there is any uncertainty, please contact Juniper Technical Support.

Examples:

  1. Command issued: show uplink-failure-detection

When checking the switch logs, this type of alarm appears:

UI_OPEN_TIMEOUT: Timeout connecting to peer 'uplink-failure-detection'

  • Command issued: show version detail

    When checking the switch logs, the peering timeout alarm can be seen against services/process/etc...


     UI_OPEN_TIMEOUT: Timeout connecting to peer 'vrrp'
     UI_OPEN_TIMEOUT: Timeout connecting to peer 'craft-control'
     UI_OPEN_TIMEOUT: Timeout connecting to peer 'disk-monitoring'
     UI_OPEN_TIMEOUT: Timeout connecting to peer 'sbc-configuration-process'
     UI_OPEN_TIMEOUT: Timeout connecting to peer 'adaptive-services'

     etc ...

This issue has been resolved in Junos OS 12.3R2 and later releases.