Hi, we found the problem. There was a rate limiting for icmp unreachables. When increasing this value all wokrs fine.
Thank for your answers. Best Stefan On Friday 25 May 2007 18:20, you wrote: > 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/ -- 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 <http://www.lycos-europe.com/L/A/> _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
