Thanks Tim! I'll try 1400 and see if that provides for a more stable tunnel.
Dylan On Jun 6, 2011, at 7:39 PM, Tim Payne wrote: > I had to set my MTU's to 1400... Still a little flakey.. Good Luck.. > > -tp > On Jun 6, 2011, at 8:36 AM, Dylan Bouterse wrote: > >> I have an IPSEC tunnel that has been giving us fits since we switch from a >> Pix to a RB750. There is location A that is at the main office with a RB750 >> (on a fiber upstream) and the remote site on a RB750 using PPPOE over DSL. >> Both 750s are on 5.4 after upgrading due to various fixes. The tunnel will >> stay up for days, then drop, and neither an installed-sa flush nor reboot >> will bring the tunnel back up. The MTU on the pppoe client is set to 1440 >> and mru at 1480. I believe there are issues with IPSEC over PPPOE with MTU >> set too high? Any ideas? If I need to provide more information, please let >> me know. >> >> Dylan >> _______________________________________________ >> Mikrotik mailing list >> Mikrotik@mail.butchevans.com >> http://www.butchevans.com/mailman/listinfo/mikrotik >> >> Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS > > _______________________________________________ > Mikrotik mailing list > Mikrotik@mail.butchevans.com > http://www.butchevans.com/mailman/listinfo/mikrotik > > Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS _______________________________________________ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS
