Juniper EX4550. EX1113. EX063. What?

Juniper EX4550

I came across some weird behavior (I think) in Junos recently. Nothing major, but an annoyance nonetheless.

Juniper EX4550

Let’s check out some statistics on this beautiful looking EX4550 stack, shall we?

Oh dear look, 324 “Other” discards on my EX4550. I sure hope they aren’t incrementing. Let’s issue the command again and check if the 324 figure has increased?

No it hasn’t. In fact it has mysteriously reset itself along with all the other PFE statistics. That is, well, suboptimal to say the least.


It’s probably a known bug, though it’s not important enough for me to go look it up. Maybe it’s even intentional (though for the life of me I can’t figure out why you’d want that behavior). Still, it’s something to be aware of. For reference, here’s the code version I’m using:

Happy troubleshooting.

3 Comments on Juniper EX4550. EX1113. EX063. What?

  1. As far as I can tell the “ingress – other discards” is packets which should not be forwarded. Mainly BPDUs without a listening process on the switch (eg, LLDP packets are present, but there is no “protocols lldp” configuration).

    As for the counters not being monotonically increasing — bleh.

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