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Mail attachment problem with IP TUNNELING

Unanswered Question
Aug 5th, 2006
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Hi

We are an Isp and we have two links separatly from two different service provider, one is for Send traffic and another one for recive traffic, we use simple Gre tunnle and configure it in our router ,the tunnel is active and everything seems works fine ,but when users want to use mail attachment like yahoo mail attachment they have problem : yahoo ask them to attach files they can browse and choose files after that when they want to finish ,the yahoo attachment page process opened and never finish it s job !!!!!!!


please help.

Thanks.


Reards Bahman mozaffari

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attrgautam Sat, 08/05/2006 - 01:54
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Looks like an mtu issue. Force the ip mtu on the tunnel to 1500 or set ip tcp adjust-mss 1400 on the tunnel and see if it solves the issue

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