Date: Mon, 21 Jun 2004 17:12:08 +0100 From: Brian Somers <brian@Awfulhak.org> To: Yohan <yohanphilip@yahoo.com>, freebsd-net@freebsd.org Cc: Julian Elischer <julian@elischer.org> Subject: Re: PPPoE Message-ID: <20040621171208.675354ae@dev.lan.Awfulhak.org> In-Reply-To: <20040621125541.20360.qmail@web60810.mail.yahoo.com> References: <20040621122211.30f48082@dev.lan.Awfulhak.org> <20040621125541.20360.qmail@web60810.mail.yahoo.com>
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On Mon, 21 Jun 2004 05:55:41 -0700 (PDT), Yohan <yohanphilip@yahoo.com> wrote:
> 17:48:15.035656 0:8:a1:5f:b5:4b Broadcast 8863 60:
> PPPoE PADI [Host-Uniq UTF8]
> 17:48:15.049217 0:4:e6:4:41:1 0:8:a1:5f:b5:4b 8863 76:
> PPPoE PADO [AC-Name "BANYAN"] [AC-Cookie UTF8]
> [Service-Name] [Relay-Session-ID UTF8] [Host-Uniq
> UTF8]
> 17:48:15.049232 0:8:a1:5f:b5:4b 0:4:e6:4:41:1 8863 60:
> PPPoE PADR [Host-Uniq UTF8] [AC-Cookie UTF8] [AC-Name
> "BANYAN"]
And the missing bit is the PADS packet (which we're expecting from the
PPPoE server). Here, the netgraph node is resending the PADR after 2
seconds of inactivity, then dropping back to sending a PADI all over
again.
Interestingly enough, the PADR doesn't seem to have the Service-Name
or Relay-Session-ID tags that the PADO has - perhaps that's what's
causing the problem... certainly the PADO handling code that sends
the PADS calls scan_tags() which is supposed to copy tags not already
handled from the PADO into the PADR.
Julian, have you any comments on this ?
Cheers.
--
Brian <brian@Awfulhak.org> <brian@[uk.]FreeBSD.org>
<http://www.Awfulhak.org>; <brian@[uk.]OpenBSD.org>
Don't _EVER_ lose your sense of humour !
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