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2 parallel firewall, same Lan, VPN on this fw can not ping sever gateway other
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Topic: 2 parallel firewall, same Lan, VPN on this fw can not ping sever gateway other (Read 2561 times)
huuich
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https://dichvuhuuich.com
2 parallel firewall, same Lan, VPN on this fw can not ping sever gateway other
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on:
February 07, 2021, 04:45:47 am »
I have 2 parallel firewall running lastest version 21.1, same Lan like picture attached
On fw 2 can ping File Sever 1 (gateway firewall 1), on fw 1 can ping File Server 2 (gateway firewall 2)
I've configured VPN on firewall 2 follow step by step this doc:
https://docs.opnsense.org/manual/how-tos/sslvpn_client.html
And almost everything work ok but on Remote Computer I only can ping File Server 2 (gateway fw 2) and can not not ping File Server 1 (gateway firewall 1) though they are on the same Lan.
How can I do to VPN computer on firewall 2 can ping sever gateway firewall 1?
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astuckey
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Posts: 31
Karma: 1
Re: 2 parallel firewall, same Lan, VPN on this fw can not ping sever gateway other
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Reply #1 on:
May 20, 2021, 07:18:05 pm »
This looks like an asymmetrical routing issue.
As the VPN client source address is in a different subnet to 192.168.1.0/24, the response packet of the ping will need to use it's assigned gateway, which is 192.168.1.1, which won't know what to do with the source address of 10.10.0.1.
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huuich
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Posts: 24
Karma: 0
https://dichvuhuuich.com
Re: 2 parallel firewall, same Lan, VPN on this fw can not ping sever gateway other
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Reply #2 on:
June 24, 2021, 04:31:54 am »
Thanks for your reply, so what can I do to fix this?
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2 parallel firewall, same Lan, VPN on this fw can not ping sever gateway other