Does 31.3.1-Patch1-5 fix Gigabit SFP modules in 5520 EXOS VIM-4X slots?
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08-04-2021 02:38 PM
I’m just checking in if anyone with EXOS 5520 switches loaded the latest 31.3.1.3.Patch1-5 that was released on 7/1/2021.
We have had an issue where 1gbps optics or copper SFP modules in the VIM-4X ports would link up, but not pass traffic. See original thread here:
I’m curious if this is now fixed in this version? It would allow us to move our 1gbps uplinks to the VIM-4X SFP/SFP+ ports and standardize on all 48 front facing ports for end users and devices, like we do today with the 450-G2 switch stacks.
Plus I have a wireless site to site bridge that is connected to a rooftop unit via 1gbps fiber connection that has been down for months after migrating from a Cisco stack to a 5520 stack. It was low priority because its just a 3rd tier backup (already have a 1gbps and a 100mbps provider from two ISPs).
In the release notes under Resolved Issues in 31.3.1-Patch-1-5 I see this note that could indicate this MAY be addressed (but were on 5520’s not 5420’s)
EXOS-29386 | The default state of 1G auto-negotiation on 10G fiber ports depends on hardware capability, which can result in variations between the Universal Hardware (5420) platform and different operating systems (VOSS/EXOS). This can create a configuration mismatch, resulting in link loss when a variety of Universal Hardware and operating systems are used in the customer environment. |
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08-16-2021 03:27 PM
I had this problem yesterday with 5520, running newest firmware and using 1000-LX SFPs.After disabling auto nego on remote side it worked fine. Also found a gtac article afterwards: https://extremeportal.force.com/ExtrArticleDetail?an=000091771
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08-16-2021 12:18 PM
The following 1gbps work perfectly in Extreme X450G2’s and X690s, and in the 5520s they link up (link light) but will not transmit any traffic.
Extreme Networks 10051H Compatible 1000BASE-SX SFP 850nm 550m DOM LC MMF Transceiver Module
FS P/N: SFP1G-SX-85 #35195
Extreme Networks MGBIC-LC09 Compatible 1000BASE-LX SFP 1310nm 10km DOM LC SMF Transceiver Module
FS P/N: SFP1G-LX-31 #32861
Extreme Networks I-MGBIC-GTX Compatible 1000BASE-T SFP Copper RJ-45 100m Transceiver Module
FS P/N: SFP-GB-GE-T #32882
Extreme Networks I-MGBIC-GSX Compatible 1000BASE-SX SFP 850nm 550m DOM Transceiver Module
FS P/N: SFP1G-SX-85 #32864
Cisco GLC-SX-MM Compatible 1000BASE-SX SFP 850nm 550m DOM Transceiver Module
FS P/N: SFP1G-SX-85 #11774
Extreme Networks MGBIC-LC04 Compatible 100BASE-FX SFP 1310nm 2km DOM Transceiver Module
FS P/N: SFP-100FX-31 #33013
Extreme Networks I-MGBIC-GTX Compatible 1000BASE-T SFP Copper RJ-45 100m Transceiver Module
FS P/N: SFP-GB-GE-T #32882
Cisco GLC-SX-MM Compatible 1000BASE-SX SFP 850nm 550m DOM Transceiver Module
FS P/N: SFP1G-SX-85 #11774
Cisco Original 1000BASE-T SFP Module, GLC-T
Model# GLC-T
Cisco Original 1000BASE-SX SFP Module, GLC-SX-MM
Model #: GLC-SX-MM
However any and all 10gbps SFP+ modules I’ve tested both DAC cables and fiber optic transceivers all work in both X450G2’s, X690 AND the 4 VIM-4X slots in the side of 5520’s.
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08-13-2021 02:52 PM
Hi Keith,
What exact optic are you using? I can try and test this just to confirm it is the same issue you were experiencing.
Thanks,
Chris Thompson
