By external I assume you mean to my ISP. In that case I stick with 1500 for both MTU and L2MTU as I'm usually not exchanging any tunnels with my providers.
-- Blake Covarrubias On Sep 25, 2011, at 7:43 PM, RickG wrote: > Thanks Blake! Is that the case for both the internal and external > interfaces? > > On Sun, Sep 25, 2011 at 1:43 PM, Blake Covarrubias <[email protected]>wrote: > >> Max MTU just states how large the L2MTU & MTU for that interface can be. It >> is a read-only parameter. >> >> There should be no problem leaving the L2MTU the default 1600, or even >> raising it to 9500. The L2MTU only matters if you utilize tunneling. Layer 3 >> traffic will still utilize 1500 byte packets unless you change the MTU= >> parameter. >> >> I run MPLS and Q-in-Q across my network. I always raise the L2MTU to its >> max value so that I don't not have to incur an interface reset if I need to >> raise it in production. >> >> -- >> Blake Covarrubias >> >> On Sep 24, 2011, at 8:45 AM, Chupaka wrote: >> >>> Is L2MTU changeable?.. Or you mean just MTU?.. If no tunnels are used, >> 1500 >>> is good MTU >>> >>> >>> >>> >>> 2011/9/24 RickG <[email protected]> >>> >>>> OK, what are you guys setting the L2MTU to? I've got a fairly simple >>>> network: Fiber to RB100 to main tower AP's bridged to remote tower >> stations >>>> bridged to remote tower AP's to CPE's (routed). >>>> -- >>>> -RickG >>>> -------------- next part -------------- >>>> An HTML attachment was scrubbed... >>>> URL: < >>>> >> http://www.butchevans.com/pipermail/mikrotik/attachments/20110923/972a3301/attachment.html >>>>> >>>> _______________________________________________ >>>> Mikrotik mailing list >>>> [email protected] >>>> http://www.butchevans.com/mailman/listinfo/mikrotik >>>> >>>> Visit http://blog.butchevans.com/ for tutorials related to Mikrotik >>>> RouterOS >>>> >>> -------------- next part -------------- >>> An HTML attachment was scrubbed... >>> URL: < >> http://www.butchevans.com/pipermail/mikrotik/attachments/20110924/72c4984c/attachment.html >>> >>> _______________________________________________ >>> Mikrotik mailing list >>> [email protected] >>> http://www.butchevans.com/mailman/listinfo/mikrotik >>> >>> Visit http://blog.butchevans.com/ for tutorials related to Mikrotik >> RouterOS >> >> _______________________________________________ >> Mikrotik mailing list >> [email protected] >> http://www.butchevans.com/mailman/listinfo/mikrotik >> >> Visit http://blog.butchevans.com/ for tutorials related to Mikrotik >> RouterOS >> > > > > -- > -RickG > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://www.butchevans.com/pipermail/mikrotik/attachments/20110925/9165148b/attachment.html> > _______________________________________________ > Mikrotik mailing list > [email protected] > http://www.butchevans.com/mailman/listinfo/mikrotik > > Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS _______________________________________________ Mikrotik mailing list [email protected] http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS
