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Timothy_Hall
MVP Gold
MVP Gold

Yep if it is a routing loop and the packet is getting inappropriately bounced back to the firewall by the core router, in the antispoofing drop log card the arrow next to eth1 will be pointing down (inbound).  If the arrow is pointing up (outbound) in an antispoofing drop log, the routing on the firewall itself is wrong/incomplete or the next routing hop is not reachable.  This little arrow is subtle and easy to miss but very helpful for these types of issues.

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