Quoting Jens B. Jorgensen ([EMAIL PROTECTED]):
> Some kinda error I'd guess. I took a look at the assigned numbers RFC and the 
> only one
> of those defined is 0x7f and its:
> 
> 007f            reserved (compression inefficient)    [RFC1662]
> 
> I'm thinking there must've been some sort of corruption of the data. This 
> shouldn't
> happen though since the ppp frames FCS should've discarded any corrupted 
> frame which
> is received. Very odd.
> 

Worse than that, they're not just unsupported protocols (I get one of
these, 0x8029, whenever I connect to a certain ISP) but they should
be flagged as "unrecognisable". PPP protocols are all supposed to be
odd at the end and even in the middle, i.e. XeXo, and many of those
quoted aren't.

> Sean wrote:
> 
> > I was glancing at tail /var/log/messages, and noticed the following:
> >
> > pppd[1007]: Unsupported protocol (0x7f) received
> > pppd[1007]: Unsupported protocol  (0x88fc) received
> > pppd[1007]: Unsupported protocol (0x67ec) received
> > pppd[1007]: Unsupported protocol (0x7432) received
> > pppd[1007]: Unsupported protocol (0x4822) received
> > pppd[1007]: Unsupported protocol (0xfe39) received
> > pppd[1007]: Unsupported protocol (0x8c73) received
> > pppd[1007]: Protocol-Reject for unsupported protocol 0x61
> > pppd[1007]: Unsupported protocol (0x848c) received
> > pppd[1007]: Unsupported protocol (0xbacd) received
> >
> > etc, etc, etc

Cheers,

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