Circling back around to this, this is due to PR1352409. Ultimately it’s a BCM issue.
> On May 10, 2019, at 7:13 PM, Jason Lixfeld <[email protected]> wrote: > > Hey, > > I have a QFX5110 in the lab which I upgraded from 17.something to 18.4 to > resolve some ISIS weirdness. ISIS weirdness resolved, but now the previously > working link between this QFX and an Arista 7280SR no longer comes up, > despite light levels on both sides being within norms. I went from 18.4 to > 19.1 just for the hell of it, and still no bueno. > > The QSFP28 in the QFX comes up if it’s looped to itself, as does the QSFP28 > in the Arista. The Arista QSFP28 links to another Arista, or an MX204. The > QFX QSFP28 links to the same MX204 as well (no other QSFP28 gear to test with > otherwise) so it seems to be a weird compatibility issue between the Arista > and the QFX? > > Does this sort of thing smell familiar to anyone? I’ve had pretty good luck > with 100G compatibility in general so far, so I’m not overly familiar with > any knobs to work around any compatibility issues that may creep up here or > there, so happily accept some pointers if anyone has some clue. > > Thanks! _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp
