Acquistion Across L3 Network Unsuccessful: Link Aggregation, Core Switch Packets Replied To Another Pair Of Bridge

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Issue Description

Configured MAC acquisition across layer three network, the device can communicate with the core switch address, and the MAC address can be obtained through the snmp tool.

Handling Process

1. Check the configuration of MAC acquisition across layer three network are correct, also has excluded the core switch MAC address
2. Through the snmp tool can get MAC information
3. Through the web interface to capture the packet of 161 port discover that device has send the request packet out but does not receive any reply packet.
4. The double bridge of the device is deployed. Capture the packets on all interface for port 161 found that the snmp reply packets has sent back to the other bridge of the device, causing the device unable  to receive data.
5. Through the management port and the core switch directly connected, MAC acquisition across layer three network successful.

Solution

Set management port and core switch directly connected, MAC acquisition across layer three network successful.
Allen Cheung Lv2Posted 14 Jan 2020 09:18
  
Thanks for sharing~
Faisal Posted 11 Aug 2020 13:34
  
Thank you very much for the information ...
Faisal Posted 01 Nov 2020 16:28
  
Nice article ...
Faisal Posted 07 Dec 2020 06:39
  
Great Info
Faisal Posted 07 Mar 2021 08:59
  
Very informative …
Faisal Posted 26 May 2021 08:46
  
Nice guidance ...
Raza Islam Lv3Posted 21 Sep 2022 20:22
  
Thank you very much
Ted3 Lv2Posted 03 May 2023 10:51
  
nice

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Doc ID: 2673
Author: Siva
Updated: 2019-12-24 14:06
Version: