We upgraded the 920 to 16.12.06 this morning. No change. Still not learning MAC addresses on port te0/0/4. So, back to the drawing board.
On Mon, Jul 11, 2022 at 1:31 PM Gert Doering <[email protected]> wrote: > Hi, > > On Mon, Jul 11, 2022 at 04:47:57PM +0000, Brian Turnbow wrote: > > > On Mon, Jul 11, 2022 at 03:59:02PM +0000, Brian Turnbow wrote: > > > > Yep, sounds like the infamous uptime over 2 years "feature" from 3.16 > > > (something).. > > > > Reboot and upgrade was the only way we fixed it.... > > > > > > Uh. Could you elaborate on what that "feature" is, exactly? > > > > It was the bug where after after two years of uptime > > If an interface went down it would stick as up and not pass traffic > > You could not provision new interfaces. > > Counters also stopped working. (we used this to find affected units) > > Now THAT is interesting. I'm a bit further distanced from day-to-day > operations these days (otherwise I might have noticed), but indeed, > counters didn't work anymore either. "No traffic on this box!" which > I know to be not true (our daily TSM backups go through there...) - and > after reboot, "Traffic!". > > Very interesting. "Interface itself" counters are all "0", but service > instance counters (gi0/0/2 si 90) still show traffic. So that's actually > something our alarming could trigger on "si has > 1 Mbit, interface itself > has 0"... > > [..] > > Sounds like it may be different. > > Did the counters work? > > Maybe they decided to add it into 16.06 , you never know what a BU may > decide is a must have feature.... > > Obviously, 16.06 has much improved performance, so 2-year-bugs are now > hit after 0.5 years already! > > OTOH... seems it wasn't actually 27 weeks uptime, but quite a bit more, > which was just distorted by SNMP uptime wrapping (and our prometheus > instance not properly distinguishing this for old data, it only recently > learned to query that other OID). > > So, definitely more than 2 years, and traffic counters stopped some 5 > months > ago... and we did not try to actually bring up anything new since then. > > Yeah, thanks a lot for this information. This will be very helpful to > avoid needless frustration by our on-site people ("it does not link! can > you please try a different cable? did you get the patch right?"). > > gert > > -- > "If was one thing all people took for granted, was conviction that if you > feed honest figures into a computer, honest figures come out. Never > doubted > it myself till I met a computer with a sense of humor." > Robert A. Heinlein, The Moon is a Harsh > Mistress > > Gert Doering - Munich, Germany > [email protected] > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
