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IPsec tunnel - tcp option 76 & 78

Hi,

I've setup an IPsec tunnel between a SG120 and UTM 425 but now my Riverbed appliance can't optimize traffic.
Traffic outside of the IPsec tunnel is optimized just fine.
[:S]

Doing some research shows Cisco ASA IPsec tunnels need to be configured to permit TCP option 76 and TCP option 78 so the Riverbed appliances in full transparency mode work.
Article here

I suspect this is required for the Sophos UTM IPsec tunnels as well.

How can I check and tell the UTM to allow this?

Thanks

Damien


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