I have setup a site to site VPN tunnel between an ASA 5510 and a Watchguard XTM 830 device. The tunnel is up, and the Cisco ASA side can talk to the Watchguard device and the Watchguard network behind it.
However, the Watchguard can only talk to the Cisco ASA gateway. The really interesting part is I am watching the packets leave the watchguard and hit the ASA; but the response never makes it back to the Watchguard.
It seems to me the ASA is blocking the traffic or not sending it to the proper route.
The ASA network is 10.10.10.0 (public) & 192.168.55.0 (private)
The Watchguard is 126.96.36.199 (public) & 172.16.1.0 (private)
Attached is config. If any suggestions would be much appreciated.
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