Hi Richard, Are you able to swap the RJ45¹s for SM 1G and see if the issue is still present which could indicate a possible port fault?
N Nick Ryce On 20/10/2014 18:12, "Michael Loftis" <mlof...@wgops.com> wrote: >On Mon, Oct 20, 2014 at 7:41 AM, Richard Hartmann ><richih.mailingl...@gmail.com> wrote: >> Dear all, >> >> we are not done debugging yet, but as of right now, we are having a >> rather strange effect... >> >> >> Our setup looks as follows: >> >> QFX5100 = CStest >> sw1 = 2960g >> sw2 = 2960g >> sw3 = EX3300 >> sw4 = 2960g >> sw5 = 2960S >> >> CStest <RJ45 1G> sw1 >> CStest <SM 1G> sw2 >> CStest <SM 10G> sw3 >> CStest <RJ45 1G> sw4 >> CStest <SM 1G> sw5 >> >> The effect we're seeing is that Spanning Tree works just fine over the >> Single Mode links, but not across the RJ45 SFPs. >> >> Weirdly enough, LLDP and the like are being transmitted just fine. >> >> Yes, we tried all available JunOS releases, even a few beta images. >> Yes, we also tried 14.1X53-D10. >> >> I am kinda stumped as to how this is even possible. While we all hate >> RF45 SFP for various reasons, this is totally new and unexpected. >> > >Might be interesting to know whose RJ45 SFP's? If third party I'd >personally really tend to suspect/blame the third party...might be a >coding issue, might be the onboard hardware doing something silly. >I'd try a different vendor SFP. It might be something Juniper is >making worse and is still willing to fix even if it's not necessarily >their problem - like there've been various i2c reading issues they've >dramatically improved behavior for. > >> >> Yes, we're still having fun, >> Richard >> _______________________________________________ >> juniper-nsp mailing list juniper-nsp@puck.nether.net >> https://puck.nether.net/mailman/listinfo/juniper-nsp > > > >-- > >"Genius might be described as a supreme capacity for getting its >possessors >into trouble of all kinds." >-- Samuel Butler >_______________________________________________ >juniper-nsp mailing list juniper-nsp@puck.nether.net >https://puck.nether.net/mailman/listinfo/juniper-nsp > _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp