Title: Local Interface Address spoofing

I've been having problems with 2 firewalls reaching each other.

Firewall A:
Fw 4.0
Is the management.
And a Firewall Module.
Has 3 interface

Firewall B:
Fw 4.0
Is the Firewall Module reporting back to Firewall A

When the firewall is stopped on Firewall A (fwstop) I can ping Firewall B.

IF I start Firewall A (fwstart). I cannot ping Firewall B. Logs show that "Local Interface Address Spoofing". I DO NOT have anti-spoofing turned on any interface, on either Firewall. Also the SOURCE and DESTINATION on the log entires are both the IP for Firewall A.

IF I snoop on Firewall B. I see the ICMP echo request but the Source and destination are both the IP for Firewall A!!!!!. I do not have NAT for the firewall! I cannot understand this..

Any help will be appreciated.

Thanks
Sol

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