On May 4, 2014, at 11:16 AM, [email protected] wrote:

> I've always allowed echo-reply in the outside interface as well as 
> ttl-exceeded in the access-list applied to it.

You should also allow ICMP type-3/code-4, or you're breaking PMTU-D.

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Roland Dobbins <[email protected]> // <http://www.arbornetworks.com>

          Luck is the residue of opportunity and design.

                       -- John Milton


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