Date: Tue, 29 Apr 1997 02:54:36 +0100 From: Brian Somers <brian@awfulhak.org> To: Alan Batie <batie@agora.rdrop.com> Cc: hackers@freebsd.org Subject: Re: pppd on 2.2 Message-ID: <199704290154.CAA10854@awfulhak.demon.co.uk> In-Reply-To: Your message of "Sat, 26 Apr 1997 23:54:33 PDT." <m0wLNqz-0009AoC@agora.rdrop.com>
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> I just installed a 2.2.1-RELEASE system for a friend, with the following
> symptoms:
>
> I have tun0 configured to dialout to his ISP (dedicated 28.8)
> ppp0 is configured for clients to call into him, basically for local email.
> The split is just cuz it looked easier to do dialouts with iijppp and dialins
> with pppd.
>
> When using the stock pppd:
> Apr 21 22:00:01 e-cafe getty[288]: getty: starting ppplogin (/usr/sbin/pppd) on /dev/ttyd1
> Apr 21 22:00:07 e-cafe getty[350]: getty: starting ppplogin (/usr/sbin/pppd) on /dev/ttyd1
> Apr 21 22:00:13 e-cafe getty[351]: getty: starting ppplogin (/usr/sbin/pppd) on /dev/ttyd1
> Apr 21 22:00:19 e-cafe getty[352]: getty: starting ppplogin (/usr/sbin/pppd) on /dev/ttyd1
> Apr 21 22:00:25 e-cafe getty[353]: getty: starting ppplogin (/usr/sbin/pppd) on /dev/ttyd1
> Apr 21 22:02:02 e-cafe getty[355]: getty: starting ppplogin (/usr/sbin/pppd) on /dev/ttyd1
pppd detaches from the terminal by default. You should use the -detach
option if you want to run it from init in /etc/ttys.
> So I pulled the one from my 2.1.5 system which is working just fine there
> (with some hacks to add in utmp logging). With that, it appears to be
> getting connected just fine:
Mustn't have done this in the past.
> $ ifconfig ppp0
> ppp0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 552
> inet 204.245.198.33 --> 204.245.198.62 netmask 0xfffffff0
>
> $ netstat -in
> Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
> ed0 1500 <Link> 00.80.48.88.4c.92 134 0 174 0 0
> ed0 1500 204.245.198.3 204.245.198.33 134 0 174 0 0
> tun0 1500 <Link> 433 0 416 0 0
> tun0 1500 204.245.198 204.245.198.33 433 0 416 0 0
> ppp0 552 <Link> 93 1 50 0 0
> ppp0 552 204.245.198.3 204.245.198.33 93 1 50 0 0
> lo0 16384 <Link> 4 0 4 0 0
> lo0 16384 127 127.0.0.1 4 0 4 0 0
>
> $ netstat -rn
> Routing tables
>
> Internet:
> Destination Gateway Flags Refs Use Netif Expire
> default 199.2.96.37 UGc 20 325 tun0
> 127 127.0.0.1 URc 0 0 lo0
> 127.0.0.1 127.0.0.1 UH 0 1 lo0
> 199.2.96.37 204.245.198.33 UH 19 0 tun0
> 204.245.198.32/28 link#1 UC 0 0
> 204.245.198.33 0:80:48:88:4c:92 UHLW 1 21 lo0
> 204.245.198.40 8:0:7:a6:f:60 UHLW 0 306 ed0 156
> 204.245.198.62 204.245.198.33 UH 0 2 ppp0
> 224.0.0.9 127.0.0.1 UH 1 1 lo0
>
>
> However:
>
> $ ping 204.245.198.62
> PING 204.245.198.62 (204.245.198.62): 56 data bytes
> ping: sendto: Network is down
> ping: wrote 204.245.198.62 64 chars, ret=-1
> ping: sendto: Network is down
> ping: wrote 204.245.198.62 64 chars, ret=-1
> ^C
> --- 204.245.198.62 ping statistics ---
> 2 packets transmitted, 0 packets received, 100% packet loss
Well that answers a usenet question too.... Make your default
204.245.198.62 and things will work. Your default should be
directly reachable by you - think about it. "Send all other
packets here".
> I hacked some kernel printfs into if_ppp.c, and find that the ENETDOWN
> message is coming from the NPMODE check:
>
> /*
> * Drop this packet, or return an error, if necessary.
> */
> if (mode == NPMODE_ERROR) {
> printf("ppp driver: NPMODE ERROR\n");
> error = ENETDOWN;
> goto bad;
> }
>
> I'm starting to reach my limits now; it looks like npmode is related to
> one of the ppp commands, and I really don't know much about the bits...
Hmmm, strange. This looks like a "nobodies using this interface" error.
> Thanks for any help...
>
> --
> Alan Batie ______ It's not my fault! It's some guy
> batie@agora.rdrop.com \ / named "General Protection"!
> +1 503 452-0960 \ / --Ratbert
> PGP FP: DE 3C 29 17 C0 49 \/ 7A 27 40 A5 3C 37 4A DA 52 B9
>
> It is my policy to avoid purchase of any products from companies which
> use unrequested email advertisements or telephone solicitation.
--
Brian <brian@awfulhak.org>, <brian@freebsd.org>
<http://www.awfulhak.org>;
Don't _EVER_ lose your sense of humour....
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