From mboxrd@z Thu Jan 1 00:00:00 1970 From: "David S. Miller" Subject: Re: Fw: [Bugme-new] [Bug 1148] New: when using ipsec with DSL connections communication will hang if mtu is 1500(the default value) Date: Tue, 26 Aug 2003 23:04:55 -0700 Sender: netdev-bounce@oss.sgi.com Message-ID: <20030826230455.70059a69.davem@redhat.com> References: <20030826003949.78ea3d07.akpm@osdl.org> <20709.1061931582@marajade.sandelman.ottawa.on.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: akpm@osdl.org, netdev@oss.sgi.com, uwe.schmeling@t-online.de Return-path: To: Michael Richardson In-Reply-To: <20709.1061931582@marajade.sandelman.ottawa.on.ca> Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org On Tue, 26 Aug 2003 16:59:42 -0400 Michael Richardson 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.