try: ip tcp adjust-mss 1400
on your tunnel interface. It'll save you from updating all your hosts. On 5/25/07, Stefan Hegger <[EMAIL PROTECTED]> wrote: > Hi, > > hope you can help me to solve my problem. We are running some GSR's (cisco > 12008/GRP) with IOS Version 12.0(26)S6. We opened a GRE tunnel to another > location and have problems with the MTU size. > > It seems that the GSR's does not return an ICMP message > indicating "fragmentation needed". > > When we decrease the MTU to 1400 on host, everything works fine. > > Best Stefan > -- > Stefan Hegger > Internet System Engineer > > Lycos Europe GmbH > Carl-Bertelsmann Str. 29 > Postfach 315 > 33312 Gütersloh > > Phone: > Tel: +49 5241 8071 334 > Fax: +49 5241 80671 334 > Mobile: +49 170 1892720 > > > > Sitz der Gesellschaft: Gütersloh > Amtsgericht Gütersloh, HRB 2157 > Geschäftsführer: Christoph Mohn > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
