tcpdump, rl, sis, fxp and multicast problems

[Matthew X. Economou]

> not very important but wouldn't it be better to set the checksum
> to 0 instead of some arbitrary (?) and confusing value then ?

No, as not setting the checksum is a (minor) optimization.  Setting that
field to any arbitrary constant means at least one completely
unnecessary CPU instruction per datagram.

Best wishes,
Matthew 

-- 
"Rogues are very keen in their profession, and know already much more
than we can teach them respecting their several kinds of roguery."
  - A. C. Hobbs in _Locks and Safes_ (1853)