Date: 19 Mar 1999 00:25:14 +0000 From: Terry Glanfield <terry@program-products.co.uk> To: schmitt@penta.ufrgs.br, freebsd-questions@freebsd.org, freebsd-hacker@freebsd.org Subject: Re: SKIP and NAT, I got it. Message-ID: <ehfrifhqt.fsf@program-products.co.uk> In-Reply-To: schmitt@penta.ufrgs.br's message of "17 Mar 99 20:13:07 GMT" References: <36F00CD3.163F743E@penta.ufrgs.br>
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schmitt@penta.ufrgs.br (Marcelo) writes: > Problem > The firewall has to notify with icmp 3.4 (packet needed > fragmentation) computers which want to send packets bigger than 1366 > bytes, because the MTU of the external interface is modified by skip. It > > notifies when the connection is destined to Internet, but it doesnīt > when the packet is destined to the tunnel. So I had to alter MTU in > every workstation of my network. Thatīs very bad. > > What I would like to know is why the packet is first encapsulated by > skip and only after that the system finds out that it canīt be > transmitted because of MTU. Damn, my testing never used packets >512. I'm hitting the same problem now. Can anyone tell me how to manually fragment a packet? I'll try to hack it into skip but I'm a little out of my depth here. Terry. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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