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21.7 Legacy Series / OPNsense in Google Cloud and IPsec Routed issue
« on: August 16, 2021, 01:24:54 am »
I installed OPNsense 21.7.1 in Google Cloud Platform following these instructions.
Everything is good except I am having issues with IPsec Routed.
I have configured OPNsense as "respond only" and using remote gateway as 0.0.0.0 since remote is using dynamic ip. The VTI tunnel interface ipsec1 is created properly and ipsec tunnel shows established, but I can't ping each other tunnel IP. It seems the ipsec1 internface on OPNsense is not fully RUNNING.
If I change the OPNsense remote gateway from 0.0.0.0 to the actual current IP of the remote end, the ipsec1 interface starts working. "ifconfig" shows interface in RUNNING, and I can ping the tunnel IPs of the other end.
Is there a way I can workaround this issue? I did some Google search and it seems pfsense has the same issue.
Everything is good except I am having issues with IPsec Routed.
I have configured OPNsense as "respond only" and using remote gateway as 0.0.0.0 since remote is using dynamic ip. The VTI tunnel interface ipsec1 is created properly and ipsec tunnel shows established, but I can't ping each other tunnel IP. It seems the ipsec1 internface on OPNsense is not fully RUNNING.
If I change the OPNsense remote gateway from 0.0.0.0 to the actual current IP of the remote end, the ipsec1 interface starts working. "ifconfig" shows interface in RUNNING, and I can ping the tunnel IPs of the other end.
Is there a way I can workaround this issue? I did some Google search and it seems pfsense has the same issue.