> Linux 2.1.70 now has new networking problems. The PPP Problem has
> apparently been reported, however I have not found how how to fix it.
What problem do you mean?
> There are, however, additional problems.....
>
> (1) SOCK_PACKET does not fail, but writes an error to the debug log.
It is not an error. It is warning.
> ...Question... What replaces SOCK_PACKET?
It should use (AF_PACKET,SOCK_DGRAM) rather than (AF_INET,SOCK_PACKET).
Or (AF_PACKET,SOCK_RAW), if you want to make something weird
with link layer.
> (2) Setting an arp table entry with a proxy flag now fails with:
>
> ioctl(SIOCSARP): Operation not supported on transport endpoint
OPNOTSUPP is never returned by arp module.
Aaah... Did you make this ioctl on packet socket? I see...
Make it on AF_INET socket.
Alexey Kuznetsov