I have triend to do a ping with the DF bit set. Maximum am able to get to is 1600. This am guessing is because of the fact I have set the mtu size on My interface to 1600.
I have also enable all alarms on the node and am getting the following alarm which is registering as beign Minor. "High Order Path Signal Label Mismatch" Regards, jacob Miller ----- Original Message ----- From: Leigh Porter <leigh.por...@ukbroadband.com> To: jacob miller <mmzi...@yahoo.com> Cc: "nanog@nanog.org" <nanog@nanog.org> Sent: Monday, September 19, 2011 11:17 AM Subject: Re: SDH Fiber Problem It does sound like an MTU issue. Symptoms are typical. Did you try pings end to end with DF bit set and full size datagrams? -- Leigh Porter On 19 Sep 2011, at 09:15, "jacob miller" <mmzi...@yahoo.com> wrote: > By meanigful traffic I mean traffic like Http traffic > > Am able to ssh no problem. > > Most of the clients on the link are using it for browsing. > However we find that even though they are able to resolve and ping different > sites. > When it comes to opening of the page we have the page reading as opening > opening .. but the page never gets opened. > > Regards, > Jacob Miller > > > > ----- Original Message ----- > From: Leigh Porter <leigh.por...@ukbroadband.com> > To: jacob miller <mmzi...@yahoo.com> > Cc: "nanog@nanog.org" <nanog@nanog.org> > Sent: Monday, September 19, 2011 11:10 AM > Subject: Re: SDH Fiber Problem > > What exactly do you mean by meaningful traffic? ICMP from port to port works, > can you pass TCP? SSH between routers? Establish a TCP session over it? > > Are you using Juniper SRXs ? :-) > > -- > Leigh Porter > > > On 19 Sep 2011, at 08:24, "jacob miller" <mmzi...@yahoo.com> wrote: > >> I have tried the pings and am able to ping through with a size of 1600 with >> the df-bit set >> >> without the df-bit am able to get up to 9000. >> >> The switched on bot ends hav been set to allow jumbo frames through and the >> system MTU size and routing MTU sizes are at 1998. >> The switch is a 2960 Cisco switch. >> >> I have set the mtu on the interface on the end router to 1600 and still >> unable to push meaningful traffic. >> >> Regards, >> jacob Miller >> >> >> >> ----- Original Message ----- >> From: Randy Bush <ra...@psg.com> >> To: jacob miller <mmzi...@yahoo.com> >> Cc: "nanog@nanog.org" <nanog@nanog.org> >> Sent: Monday, September 19, 2011 9:55 AM >> Subject: Re: SDH Fiber Problem >> >>> I can ping on point to point >>> I have BGP up and running >>> When I try to pass traffic over the link my clients are unable to pass >>> any meanigful traffic asn browsing is impossible. >> >> mtu? try various size pings. >> >> filters? >> >> randy >> >> >> >> ______________________________________________________________________ >> This email has been scanned by the MessageLabs Email Security System. >> For more information please visit http://www.messagelabs.com/email >> ______________________________________________________________________ > > ______________________________________________________________________ > This email has been scanned by the MessageLabs Email Security System. > For more information please visit http://www.messagelabs.com/email > ______________________________________________________________________ > > > > ______________________________________________________________________ > This email has been scanned by the MessageLabs Email Security System. > For more information please visit http://www.messagelabs.com/email > ______________________________________________________________________ ______________________________________________________________________ This email has been scanned by the MessageLabs Email Security System. For more information please visit http://www.messagelabs.com/email ______________________________________________________________________
