How can I stop "discard oversize frame" errors?

[Chuck Swiger]

Greg Barniskis wrote:
[ ... ]
>> I've tried to do that, but the fxp cards do not seem to allow
>> modifying the mtu settings.  It does have the capability of modifying
>> the vlanmtu, but I don't know if this will affect/help this issue.
> 
> Isn't this message being generated when the router sends a packet that 
> exceeds fxp0's MTU, so... the solution is to tune the router's MTU, 
> rather than fxp0? I am admittedly just guessing, but intuitively that 
> seems right.

You want to tune the MTU of whatever is generating the oversize packets, 
agreed.  The messages in syslog do not reveal the source of the oversize 
packets, but "tcpdump -n greater 1520" should.

-- 
-Chuck