xl0: discard oversize frame (ether type 800 flags 3 len 1492 > max 1472)

Matt Sealey matt at genesi.co.uk
Thu Oct 21 03:33:32 PDT 2004


xl0: discard oversize frame (ether type 800 flags 3 len 1492 > max 1472)

Does anyone know what causes this kernel message? I was getting
it on wi0 for a long time (bridged connection between xl0, rl0 and wi0)
but just ignored it. Eventually after about 20 of those messages over
an extended period of time (week or so), the wireless network slows
down to treacle.

I haven't noticed anything on the 100Mbit network yet but I assume
it's going to do the same thing.

No matter what the MTU is, there is always this 20 byte discrepency.

I've checked the bug list summary and it's on there but I can't find
a reasonable explanation on what it is and why it happens, if it's
a configuration thing I can fix, I want to fix it even if it means
disabling features.

-- 
Matt Sealey <matt at genesi.co.uk>
Genesi, Manager, Developer Relations


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