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Joined: Mon Jul 25, 2016 12:32 pm

CRS 112-4G-8S: problem with packet loss and preformance

Mon Jul 25, 2016 12:50 pm


We have some CRS deployed in our network. One of them works unstable. After running for some days (sometimes a week, sometimes a few hours) it suddenly drops throughput rate to about 50%, and packet loss at about 10 - 40% depending on packet size. 

Simple diagram: (all in layer 2, 802.1q tags, traffic volume = about 700 Mbit/s)
[ A ] === [ CRS ] === [ B ]
This packet loss can be observed between A and B, but  pinging CRS from A or from B works ok. There are no errors in log, cpu is at 3%, only reboot helps.
ROS v6.35.4 (already updated), firmware 3.23

Any ideas where to look for solution? Seems to be something wrong on the switch side, thus I have no idea how to diagnose it.

Posts: 382
Joined: Mon Oct 09, 2006 2:33 pm

Re: CRS 112-4G-8S: problem with packet loss and preformance

Sun Dec 01, 2019 7:29 pm

I have exactly the same problem. Now it is at ROS 6.45.6. Have You found where the problem was? Maybe other people using that hardware have similar problems?

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