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Knowledge Base

FAQ-Can AR530 support port negoiate auto

Publication Date:  2014-09-30  |   Views:  275  |   Downloads:  0  |   Author:  p00441838  |   Document ID:  EKB1000054530


Issue Description

When AR531 connects to peer device S5700, the port cannot get up.

Alarm Information


Handling Process

After disabling negoiate auto on the port connects to peer device, the port gets up.
interface GigabitEthernet0/0/x                                                  
undo negotiation auto

Root Cause

AR531 chip limitation


disable negoiate auto 


When AR530 connects to peer device, need to disable negoiate auto and configure speed/duplex manually.