> I am running Red Hat 7.2 (Kernel Version 2.4.7-10) and have the following
You should update to the errata kernel firstly.
> communication is accomplished via UDP/IP. During my application
> initialization, I use the SIOCSARP IOCTL to force permanent cache entries
> for the devices that I communicate with. The problem that I see is that
> sporadically, when I want to transmit the first message to a device, the
> destination MAC address is 0. All subsequent messages contain the correct
> MAC address.
The kernel should never try to send out a packet with an incomplete header.
That may well indicate a bug
https://bugzilla.redhat.com/bugzilla
but please reproduce with the errata kernel first
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This archive was generated by hypermail 2b29 : Mon Jul 15 2002 - 22:00:22 EST