Subject: Re: PPPoE performance improvement
To: Ignatios Souvatzis <is@netbsd.org>
From: Aymeric Vincent <xmimic@free.fr>
List: tech-net
Date: 03/02/2003 12:23:06
        Hi,

Ignatios Souvatzis <is@netbsd.org> writes:

> I suggest that you go ahead--- but IŽd love to see some tcpdumps of those
> packets.

It is now in rev 1.105 of sys/net/if_ethersubr.c.

Here is a short run of tcpdump. None of the ethernet addresses are
mine of course, because I'm already in a connected state.

Please note that this is with a cable modem, not a DSL line; it does
certainly matter.

12:11:04.891845 0:a0:65:b7:42:40 ff:ff:ff:ff:ff:ff 8863 60: PPPoE PADI
12:11:04.955817 0:a0:65:b7:37:3a ff:ff:ff:ff:ff:ff 8863 60: PPPoE PADI
12:11:06.843640 0:3:6d:f0:2c:e9 ff:ff:ff:ff:ff:ff 8864 60: PPPoE  [ses 0xbf7] LCP 16: Conf-Req(46), MRU=1492, Magic-Num=000026cb
12:11:09.401814 0:a0:65:b7:42:8a ff:ff:ff:ff:ff:ff 8863 60: PPPoE PADI
12:11:09.452312 0:a0:65:b5:ea:35 ff:ff:ff:ff:ff:ff 8863 60: PPPoE PADI
12:11:09.843890 0:3:6d:f0:2c:e9 ff:ff:ff:ff:ff:ff 8864 60: PPPoE  [ses 0xbf7] LCP 16: Conf-Req(46), MRU=1492, Magic-Num=000026cb
12:11:10.738302 0:c0:4f:10:ae:15 ff:ff:ff:ff:ff:ff 8863 60: PPPoE PADI [Host-Uniq UTF8]
12:11:10.888776 0:a0:65:b7:42:40 ff:ff:ff:ff:ff:ff 8863 60: PPPoE PADI
12:11:10.937591 0:a0:65:b7:37:3a ff:ff:ff:ff:ff:ff 8863 60: PPPoE PADI
12:11:11.388732 0:48:54:6c:ca:6f ff:ff:ff:ff:ff:ff 8863 60: PPPoE PADI [Host-Uniq UTF8]
12:11:12.853925 0:3:6d:f0:2c:e9 ff:ff:ff:ff:ff:ff 8864 60: PPPoE  [ses 0xbf7] LCP 16: Conf-Req(46), MRU=1492, Magic-Num=000026cb
12:11:15.090771 0:80:ad:90:22:6c ff:ff:ff:ff:ff:ff 8863 60: PPPoE PADI [Service-Name] [Host-Uniq UTF8]
12:11:15.400953 0:a0:65:b7:42:8a ff:ff:ff:ff:ff:ff 8863 60: PPPoE PADI
12:11:15.413177 0:50:7f:0:68:8d ff:ff:ff:ff:ff:ff 8863 60: PPPoE PADI
12:11:15.452748 0:a0:65:b5:ea:35 ff:ff:ff:ff:ff:ff 8863 60: PPPoE PADI
12:11:15.840946 0:3:6d:f0:2c:e9 ff:ff:ff:ff:ff:ff 8863 60: PPPoE PADI [Service-Name] [Host-Uniq UTF8]
12:11:15.923385 0:3:6d:f0:2c:e9 ff:ff:ff:ff:ff:ff 8863 60: PPPoE PADI [Service-Name] [Host-Uniq UTF8]
12:11:16.003801 0:3:6d:f0:2c:e9 ff:ff:ff:ff:ff:ff 8863 60: PPPoE PADI [Service-Name] [Host-Uniq UTF8]
12:11:16.100555 0:3:6d:f0:2c:e9 ff:ff:ff:ff:ff:ff 8863 60: PPPoE PADI [Service-Name] [Host-Uniq UTF8]
12:11:16.528288 0:80:ad:73:0:15 ff:ff:ff:ff:ff:ff 8863 60: PPPoE PADI [Host-Uniq UTF8]
12:11:16.890796 0:a0:65:b7:42:40 ff:ff:ff:ff:ff:ff 8863 60: PPPoE PADI
12:11:16.941960 0:a0:65:b7:37:3a ff:ff:ff:ff:ff:ff 8863 60: PPPoE PADI
12:11:17.847898 0:0:b4:b9:83:53 ff:ff:ff:ff:ff:ff 8863 60: PPPoE PADI [Host-Uniq UTF8]
12:11:20.099921 0:80:ad:90:22:6c ff:ff:ff:ff:ff:ff 8863 60: PPPoE PADI [Service-Name] [Host-Uniq UTF8]
12:11:20.858619 0:50:22:88:f1:82 ff:ff:ff:ff:ff:ff 8863 60: PPPoE PADI [Host-Uniq UTF8]
12:11:21.400955 0:a0:65:b7:42:8a ff:ff:ff:ff:ff:ff 8863 60: PPPoE PADI
12:11:21.472677 0:a0:65:b5:ea:35 ff:ff:ff:ff:ff:ff 8863 60: PPPoE PADI
12:11:21.915727 0:50:fc:6f:3b:19 ff:ff:ff:ff:ff:ff 8863 60: PPPoE PADI [Service-Name] [Host-Uniq UTF8]


 Aymeric