I'm having an issue where about 3-8% of packets going through a WTM4200
link are seeing a 1-10ms spike in latency.  Aviat support is not being
particularly helpful, they just say they're seeing CRC errors at one end
and to replace the SFPs and cabling to see if that helps.  These have a
fiber connection and are powered through the DC port.  The radios / SFPs /
fiber at both ends are new.  I've already replaced the SFPs on the attached
Mikrotik routers with Aviat SFPs with no change in the issue.
Incidentally, I'm seeing the issue when I ping from the Mikrotik routers to
their respectively attached WTM - so the issue is both ends and not a
single one.  Has anyone seen anything like this?
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