Mototrbo System crashes after upgrade


Error

Fact :

 Mototrbo

 Dell router and Switche

 SLR repeater

 System Linked Capacity Plus

Change :

 FW 1.2 to 2.6 and 2.6 to 2.8.5

Symptom :

System crashed after upgrade from  FW 1.2 to 2.6 and 2.6 to 2.8.5

 

When the downgrade package was used the system started working correctly again. 

Root Cause

 The system uses Dell switches and routers that handle Auto Negotiation in a different way to HP devices

Workaround/Fix

Work Around :

  Set up the Link speed to 100 Mbps Full duplex in repeater and in routers/switches

Fix :

 Set up the Link speed to 100 Mbps Full duplex in repeater and in routers/switches