Unable To Ping To PC On Different Vlan

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Issue Description

PCA (Vlan110)  cannot ping to PCB (Vlan120), PCB(Vlan120) cannot ping to PCA(Vlan110), PCA and PCB can ping to 8.8.8.8 and gateway.

Handling Process

1.Go to Network > Interface check on sub-interface configuration, configuration correct.
2.Go to System > Troubleshooting Enable troubleshooting bypass, found that the packet was rejected because it matches a dropped connection.
3. Go to Policies > Access Control check on the application control policy. Found that the application only allows connection from Lan to Wan, therefore Lan to Lan connection will be dropped by NGAF.

Root Cause

The inbound traffic was on Lan, the outbound traffic was also on Lan, therefore it needs to create a allow policy from Lan to Lan.

Solution

Go to Policies > Access Control create a Lan to Lan allow policy.
Faisal Posted 21 Aug 2020 08:09
  
Thank you very much for the information ...
Faisal Posted 23 Oct 2020 08:41
  
Nice article ...
Faisal Posted 18 Dec 2020 10:13
  
Great info ...
Ellechar Lv4Posted 26 Jan 2021 15:39
  
Very nice infoooooooooooooooooooooooooooooo
Faisal Posted 19 Mar 2021 07:17
  
Very informative …
Faisal Posted 04 Jun 2021 12:15
  
Nice guidance ...

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Doc ID: 2441
Author: LamWeiSiang
Updated: 2019-12-22 18:34
Version: