About Nico.

Nico. · 06-15-2021

Hello,Have issues with the sx550x switches (with sg550x as well but these seem to be more stable now on firmware version 2.3.5.63).Situation is as follows, 2x SX550x switches (SW003) in stack uplinked to core switch 4500x, this over a trunk port on e...

Nico. · 04-26-2021

Hello,I have a really big issue with port channel members going down for no reason and coming back up again. When this happens to both ports, the po goes down offcourse (2 members per port channel).Problem is this happens to 3 of the 4 SG350x series ...

Nico. · 08-17-2021

Hey, sorry for the late answer. but unfortunately no solution.Only thing I can say with confidence, do not buy these switches. Especially not for production environment, Cisco really dropped the ball here.Solution I used was just not to use the stack...

Nico. · 06-15-2021

Answer to your Q's:1. Physical connections are ok.2. Using same SFP+ at both sides.3. Had been up and running for 6 months in the case of SW02 and 2 months for SW03 before problem occurred.4. Firmware is latest (stable?) firmware form cisco support p...

Nico. · 05-17-2021

Have had no more issues on the portchannel interfaces on SG350x and SG550x switches that were downgraded to v2.3.5.63.This firmware version cannot be used on the CBS350 and SX550x switches however, these are now on latest firmware version CBS350 v3.0...

Nico. · 04-28-2021

At the moment, no more issues on this switch with ports going down and up. So firmware downgrade seems to have helped.Will perform this step on the other switches I have as well and follow up for a week or 2 to see if the problem is actually resolved...

Nico. · 04-27-2021

Checked the thread and hopefully flashing to the older firmware will resolve the issue, would be a bit strange that this is still not resolved, but if it works it works.Flashed the switch now to firmware 2.3.5.63 and reconnected the other fiber. So p...

Member Since	‎08-03-2018 03:57 AM
Date Last Visited	‎10-19-2023 07:32 AM
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SX550-24F - Stacking issues, unreliable

SG350 issues with LACP ports going randomly down/up for no reason

Re: SX550-24F - Stacking issues, unreliable

Re: SX550-24F - Stacking issues, unreliable

Re: SG350 issues with LACP ports going randomly down/up for no reason

Re: SG350 issues with LACP ports going randomly down/up for no reason

Re: SG350 issues with LACP ports going randomly down/up for no reason