Subject: Re: Fw: [Bugme-new] [Bug 1148] New: when using ipsec with DSL connections communication will hang if mtu is 1500(the default value)

From: "David S. Miller" <[email-masked]>
Date: Tue, 26 Aug 2003 23:04:55 -0700

On Tue, 26 Aug 2003 16:59:42 -0400
Michael Richardson <[email-masked]> wrote:

>   This sure sounds like a classif pmtud blackhole problem.

Regardless of his configuration, we don't propagate PMTU's
over tunneled IPSEC connections properly at all.