LAN1 PC To LAN2 PC Cannot Communicate

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Issue Description

Customer feedback, after importing the backup configuration, the PC1 network segment to the PC2 network segment cannot be communicated.

Handling Process

1. Test the PC to the IAMLAN1 address is communicable, the IAM to the other service network segment has a route can also communicate.
2. The device has configured the route, when go to 10.40.110 need to go through LAN2 (eth3) only can pass. The testing PC is come from LAN1 (eth0), that is, the communication below eth0 is not available to eth3.
3. Direct check is caused by the firewall filter rule interception of eth0-eth3.
4. Configure to allow both way of LAN1-LAN2.

Root Cause

Firewall filtering rule causes network failure.

Solution

System] – [Firewall] – [Firewall Rules] allow both way of LAN1-LAN2.
Muhammad Bilal Lv4Posted 06 Aug 2020 16:22
  
Great sharing.
Faisal Posted 16 Aug 2020 10:38
  
Thank you very much for the information ...
Faisal Posted 27 Oct 2020 10:47
  
Nice article ...
Faisal Posted 12 Dec 2020 08:58
  
Great info ...
Ellechar Lv4Posted 02 Feb 2021 09:13
  
Very nice infooooooooooooooooooooooooooooo
Faisal Posted 15 Mar 2021 07:54
  
Very informative …
Faisal Posted 31 May 2021 12:45
  
Nice guidance ...

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Doc ID: 2305
Author: God
Updated: 2019-12-23 15:35
Version: