We have a QFX5100 in our network running Junos 18.4R2-S5.4 (JTAC recommended), we have had an issue occur twice where we have inserted an SFP (two different types of SFP, two different ports, both from fs.com) and within a minute or so of inserting the SFP, the device reboots.
The device continues to reboot, until the SFP is removed, after which it continues to operate normally.
We've raised this with our channel, and they have provided the following response:
Juniper has begun to Blacklist Various Third Party Manufacturers Including FS.
- On Inserting a Blacklisted SFP Units will report technical Issues and Reload
- This will persist even after the unit is downgraded as this has been done retroactively
- Currently There is no workaround for this issue
We have other devices running 18.4R2-S3 and earlier that don't seem to exhibit this behaviour.
I wondered, has anyone else come across this or experienced it recently? We have thousands of FS optics in our network and we've always been happy that Juniper have generally taken a more relaxed view on third party optics - not even bothering us with a warning in our logs - so this seems like a dramatic shift in stance if correct.
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