We had to put in the unsupported transceiver command also to get OEM/Compatible SFP's to work.
Jeff Message: 8 > Date: Thu, 22 Sep 2011 08:17:36 +1000 > From: Joshua Atterbury <[email protected]> > To: "<[email protected]>" <[email protected]> > Cc: "<[email protected]>" <[email protected]> > Subject: Re: [c-nsp] Funny problem w/ SFP link on Nexus 5548 > Message-ID: <[email protected]> > Content-Type: text/plain; charset=us-ascii > > Are the NX dual Rate ports? (1/10g) I've had to disable speed autoneg on > 3750s when connecting to dual rate ports on nexus using 1gig optics > > Sent from my iPhone > > On 22/09/2011, at 7:27 AM, <[email protected]> wrote: > > > Is Gig-E auto negotiation set the same on both devices? It sounds kind of > like the Nortel has Gig-E auto negotiation disabled, so it will show link as > soon as it sees light. Your NX might be trying to auto negotiate which won't > work if the other side isn't doing it as well. Maybe try disabling auto neg > on the NX. > > > > -Vinny > > > > -----Original Message----- > > From: [email protected] [mailto: > [email protected]] On Behalf Of Garry > > Sent: Wednesday, September 21, 2011 3:43 PM > > To: [email protected] > > Subject: [c-nsp] Funny problem w/ SFP link on Nexus 5548 > > > > Hi, > > > > I'm currently at a customer who got a 5548 with 2248 FEX and several > > 2960S connected to the 5548, everything working fine. Anyway, in order > > to migrate from the old switch infrastructure, we tried to interconnect > > them to the 5548, which is where my problem started - the link just > > won't go up on the NX ... > > The other side is a Nortel core switch, with 8616SXE card for fiber > > links. On the Nortel, the link light goes on when I connect the > > switches, but the Nexus doesn't do anything. SFPs are the same as for > > the links to the 2960S, OEM/compatible 1G optics. Ports are configured > > for 1G ("speed 1000"), same as for the 2960S. When I put the same SFP in > > a 2960S, the link comes up at once. > > What am I missing here? > > > > Thanks, Garry > > _______________________________________________ > > cisco-nsp mailing list [email protected] > > https://puck.nether.net/mailman/listinfo/cisco-nsp > > archive at http://puck.nether.net/pipermail/cisco-nsp/ > > > > _______________________________________________ > > cisco-nsp mailing list [email protected] > > https://puck.nether.net/mailman/listinfo/cisco-nsp > > archive at http://puck.nether.net/pipermail/cisco-nsp/ > > > > ------------------------------ > > _______________________________________________ > cisco-nsp mailing list > [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > > End of cisco-nsp Digest, Vol 106, Issue 60 > ****************************************** > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
