From: Leigh Harrison (ccileigh@gmail.com)
Date: Tue May 23 2006 - 04:53:48 ART
Hi there,
This does seem like a problem with you packet sizes. Send an extended
ping sweep of sizes to make sure.
Try dropping the mtu size of the interface to compensate for the
overhead of the tunnel. The physical MTU of the interface will remain
the same. Then run the ping sweep again and see how it goes.
LH
lzx wrote:
> hi,
> I have met a question about GRE tunnel. When i made a tunnel from 6509 to 76xx,
> the users whose traffic route through this tunnel complaint that they almost could't
> open every website on the internet, but they could ping these website's servers.
> So i trust that is caused by the MTU of the tunnel. Then i changed the mtu of the
> tunnel interface:
> int tunnel 0
> ip mtu 1530
> ......
>
> after did that , i try again , but it still dosen't work. I doubt that if i should
> change the physical interface of the tunnel using. Dose anyone have some succeed experience? thx a lot!
>
> My 6509 is the catos+ios (l2+l3) mix system.
>
> ios: Version 12.1(11b)E4
>
>
> !!!!!!!!!!!!!!!!lzx
> !!!!!!!!!!!!!!!!sglzx@163.com
> !!!!!!!!!!!!!!!!!!!!2006-05-23
>
> _______________________________________________________________________
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>
H
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