Monday, November 23, 2020

FTD with S2S VPN for 0.0.0.0 destination

I did a cutover Tonight and once we plugged in the outside interface I saw the following error message on the LINA CLI. The error is showing up nonstop to a point where you can’t type CLI commands.

“Invalid API Param - data size must be block size multiple”

Once I changed the crypto ACL on the Site to Site VPN to something random with /24 for source and /24 for destination the error stopped. When I put the original crypto ACL (src: RFC 1918 Dest: any) the error comes up again.

Anyone know what is is about? FTD 1140 with FMC. This setup is working fine on an ASA.



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