Date: Wed, 17 Jan 1996 01:09:14 -0600 (CST) From: mailing list account <lists@argus.flash.net> To: tomg@fourthgen.com (Tom Greenwalt) Cc: freebsd-hackers@freebsd.org Subject: Re: Yet another PPP question Message-ID: <199601170709.BAA00899@argus.flash.net> In-Reply-To: <199601170252.UAA03134@fourthgen.com> from "Tom Greenwalt" at Jan 16, 96 08:52:23 pm
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> When users dialin and connect using the Windows 95 PPP client I see the
> following messages:
>
> Jan 16 20:38:22 fourthgen pppd[2916]: pppd 2.1.2 started by tomg, uid 1000
> Jan 16 20:38:22 fourthgen pppd[2916]: Connect: ppp1 <--> /dev/ttyd3
> Jan 16 20:38:25 fourthgen pppd[2916]: input: Unknown protocol (802b) received!
> Jan 16 20:38:25 fourthgen pppd[2916]: input: Unknown protocol (803f) received!
> Jan 16 20:38:28 fourthgen pppd[2916]: local IP address 204.246.82.8
> Jan 16 20:38:28 fourthgen pppd[2916]: remote IP address 204.246.82.11
>
> What's the "Unknown protocol" mean? The connection doesn't seem very stable
> and users have a tendency to be kicked off the system unexpectedly. If they
> connect using TCPMAN there is no "Unknown protocol" messages and everything
> seems to work ok.
> Thanks.
I think that this may have something to do with RFC 1877 [and something else
too?]
In a phone conversation with Steve Cobb, the author of RFC 1877, I was
informed that this PPP IPCP is in every win95 shipped.
Actually, I was meaning to ask if the ppp and pppd authors intended to
implement dynamic dns server assignment as per RFC 1877 ??? For us ISP types,
this would be a real plus, and FreeBSD could probably scoop most of the
terminal server manufacturers on this one. please remember that most people
getting on the internet today literally just had their kid show them where the
power switch is. the less they have to configure, the better.
How many millions of copies of windoze-95 are there now?
here are the highlights.. not much to implement...
btw: there are also two more options specified in this protocol for primary and
secondary netbios name servers. i'm only inserting the relevant dns portions.
--------------------------------------------------------------------
1.1. Primary DNS Server Address
Description
This Configuration Option defines a method for negotiating with
the remote peer the address of the primary DNS server to be used
on the local end of the link. If local peer requests an invalid
server address (which it will typically do intentionally) the
remote peer specifies the address by NAKing this option, and
returning the IP address of a valid DNS server.
By default, no primary DNS address is provided.
A summary of the Primary DNS Address Configuration Option format is
shown below. The fields are transmitted from left to right.
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type | Length | Primary-DNS-Address
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Primary-DNS-Address (cont) |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Type
129
Length
6
1.3. Secondary DNS Server Address
Description
This Configuration Option defines a method for negotiating with
the remote peer the address of the secondary DNS server to be used
on the local end of the link. If local peer requests an invalid
server address (which it will typically do intentionally) the
remote peer specifies the address by NAKing this option, and
returning the IP address of a valid DNS server.
By default, no secondary DNS address is provided.
A summary of the Secondary DNS Address Configuration Option format is
shown below. The fields are transmitted from left to right.
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type | Length | Secondary-DNS-Address
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Secondary-DNS-Address (cont) |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Type
131
Length
6
Jim
--
All opinions expressed are mine, if you | "I will not be pushed, stamped,
think otherwise, then go jump into turbid | briefed, debriefed, indexed, or
radioactive waters and yell WAHOO !!! | numbered!" - #1, "The Prisoner"
jbryant@argus.flash.net - FlashNet Communications - Ft. Worth, Texas
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