It's MTU and no, it's not your customers to blame. Drops are happening on their access links.
Your example is a textbook case of it, actually :-) -- Marko Milivojevic - CCIE #18427 Senior Technical Instructor - IPexpert YES! We include 400 hours of REAL rack time with our Blended Learning Solution! Mailto: [email protected] Telephone: +1.810.326.1444 Fax: +1.810.454.0130 Web: http://www.ipexpert.com/ On Wed, Mar 24, 2010 at 17:32, VALERE BIKANDA <[email protected]> wrote: > Thanks Marko and Matlock ! > > It's done and still waiting for the customer to confirm that it's OK. If > it's working now, how would you explain that some web sites are reachable > but some others are not thinking it's the MTU misconfiguration ? > > By the way, some of the customer have pppoe on the acces links and the > traceroutes shows that packets are lost beyond our network. > > How do i make sur that the problem is not a bgp configuration with my > Internet provider ? > > .Thanks ! > > > Luc Valere BIKANDA > > > > ________________________________ > From: Marko Milivojevic <[email protected]> > To: VALERE BIKANDA <[email protected]> > Cc: "Matlock, Kenneth L" <[email protected]>; [email protected] > Sent: Wed, March 24, 2010 5:13:08 PM > Subject: Re: [OSL | CCIE_RS] MTU on Ethernet interface > > On Wed, Mar 24, 2010 at 16:09, VALERE BIKANDA <[email protected]> wrote: >> >> Do i need to configure a PPPoE connexion to make it work ? > > No. It's usually used in those deployments because with PPPoE you lose those > 8 bytes, but you don't have to. It is also used in conjunction with MPLS if > you can't ensure that you carry full payload + labels around. > Then again, I would rather use that as a quick fix and try to figure out > where the problem actually is. > -- > Marko Milivojevic - CCIE #18427 > Senior Technical Instructor - IPexpert > YES! We include 400 hours of REAL rack > time with our Blended Learning Solution! > Mailto: [email protected] > Telephone: +1.810.326.1444 > Fax: +1.810.454.0130 > Web: http://www.ipexpert.com/ > _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com
