Re: how to clear DF bit on the router

From: Hansang Bae (hbae@xxxxxxxxxx)
Date: Thu Feb 07 2002 - 21:27:32 GMT-3


   
At 08:08 PM 2/6/2002 -0600, SonicSS99 wrote:
>Also, you can regedit the PC/Server per:
>[snip]to code the MTU before it hits the router.

That's what you don't want to do under normal circumstances. I've done it
in the past because I had to get some apps running during a network
freeze. But it reduces performance on the PC so this should be avoided.

>The MTU on the GRE tunnel is controlled by the physical. With GRE
>encapsulation, the size is 1524, due to the extra encap
>header. Therefore, set the Ethernet to 1476 before adding the 'tunnel
>source x.x.x.x' statement to the config. The encap mode can also be
>changed to "tunnel mode ipip" to fix this issue.

I'll have to take a "look-see" at this..thanks

>The last method is to use PBR. (http://www.cisco.com/warp/public/105/56.html)

Which requires an IOS upgrade (release 12.1(6) or higher) and was not
option for the original poster.

hsb



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