[expert] Oversized Ethernet frame

[Max]

 Good evening to all.
The network is behind the server (gateway, firewall, router etc).
All the masquarading features are compilled in.
Eth1 - internal ethernet, eth2 - external one.
There eth2: Oversized Ehernet frame wts53something84hdg appears in the
active  console.
 Please, tell me what to do?:)
 All the needed info (about kernel (2.2.14) and system (mandrake 7.0) I
can send out later.
 Thank you in advance.