Pb serveur DHCP

Bonsoir,

J'ai une machine sous sarge qui tourne avec un serveur DHCP, j'ai un
portbale Ubuntu/Windows qui utilise ce serveur pour initialiser une
connexion. Le portable utilise une carte ethernet PCMCIA.

Quand j'allume le portable j'ai des petits problèmes pour obtenir une
adresse IP.

Sous Windows je n'obtiens pas d'adresse diectement au boot, si j'attends
quelques secondes ça vient tout seul, la connexion est OK, je pense que
IE commande lui-même la réparation de la connexion.

Sous Ubtuntu je n'ai pas non plus d'adresse pour eth0, il faut que je
fasse un "ifdown eth0" puis "ifup eth0" et la connexion est alors
opérationnelle.

Quelqun a-t-il une idée de la source de ce problème ?

Je me suis apperçu de ce problème en bidouillant mon firewall que j'ai
désactivé depuis, normalement je suis revenu à la configuration de base
de sarge.

J'ai mis quelques infos à la fin de ce mail.
/var/log/messages
/etc/network/interfaces
debian-concorde:/home/mickael# iptables -L
/var/lib/dhcp3/dhcpd.leases

Merci pour toute réponse,
Mickaël

************************************
/var/log/messages :

à 19:52:16 je fais la manip ifdown puis ifup sous ubuntu

Jan 12 19:47:53 localhost kernel: 0000:02:0a.0: 3Com PCI 3c905C Tornado
at 0xdc00. Vers LK1.1.19
Jan 12 19:47:53 localhost kernel: eth0: network connection up using port A
Jan 12 19:47:53 localhost kernel: speed: 100
Jan 12 19:47:53 localhost kernel: autonegotiation: yes
Jan 12 19:47:53 localhost kernel: duplex mode: full
Jan 12 19:47:53 localhost kernel: flowctrl: symmetric
Jan 12 19:47:53 localhost kernel: irq moderation: disabled
Jan 12 19:47:53 localhost kernel: scatter-gather: enabled
Jan 12 19:47:53 localhost kernel: ip_tables: (C) 2000-2002 Netfilter
core team
Jan 12 19:47:53 localhost kernel: ip_conntrack version 2.1 (4089
buckets, 32712 max) - 220 bytes per conntrack
Jan 12 19:47:56 localhost dhcpd: Internet Systems Consortium DHCP Server
V3.0.1
Jan 12 19:47:56 localhost dhcpd: Copyright 2004 Internet Systems Consortium.
Jan 12 19:47:56 localhost dhcpd: All rights reserved.
Jan 12 19:47:56 localhost dhcpd: For info, please visit
http://www.isc.org/sw/dhcp/
Jan 12 19:47:56 localhost dhcpd: Wrote 0 leases to leases file.
Jan 12 19:47:56 localhost kernel: parport0: PC-style at 0x378 (0x778)
[PCSPP(,...)]
Jan 12 19:47:56 localhost kernel: parport0: irq 7 detected
Jan 12 19:47:56 localhost kernel: lp0: using parport0 (polling).
Jan 12 19:48:47 localhost dhcpd: DHCPDISCOVER from 00:0f:b5:47:30:ae via
eth1
Jan 12 19:48:48 localhost dhcpd: DHCPOFFER on 192.168.0.220 to
00:0f:b5:47:30:ae via eth1
Jan 12 19:48:53 localhost dhcpd: DHCPDISCOVER from 00:0f:b5:47:30:ae via
eth1
Jan 12 19:48:53 localhost dhcpd: DHCPOFFER on 192.168.0.220 to
00:0f:b5:47:30:ae via eth1
Jan 12 19:49:05 localhost dhcpd: DHCPDISCOVER from 00:0f:b5:47:30:ae via
eth1
Jan 12 19:49:05 localhost dhcpd: DHCPOFFER on 192.168.0.220 to
00:0f:b5:47:30:ae via eth1
Jan 12 19:49:20 localhost dhcpd: DHCPDISCOVER from 00:0f:b5:47:30:ae via
eth1
Jan 12 19:49:20 localhost dhcpd: DHCPOFFER on 192.168.0.220 to
00:0f:b5:47:30:ae via eth1
Jan 12 19:49:27 localhost dhcpd: DHCPDISCOVER from 00:0f:b5:47:30:ae via
eth1
Jan 12 19:49:27 localhost dhcpd: DHCPOFFER on 192.168.0.220 to
00:0f:b5:47:30:ae via eth1
Jan 12 19:49:41 localhost dhcpd: DHCPDISCOVER from 00:0f:b5:47:30:ae via
eth1
Jan 12 19:49:41 localhost dhcpd: DHCPOFFER on 192.168.0.220 to
00:0f:b5:47:30:ae via eth1
Jan 12 19:49:47 localhost kernel: eth1: Setting full-duplex based on MII
#24 link partner capability of 05e1.
Jan 12 19:52:16 localhost dhcpd: DHCPDISCOVER from 00:0f:b5:47:30:ae via
eth1
Jan 12 19:52:17 localhost dhcpd: DHCPOFFER on 192.168.0.220 to
00:0f:b5:47:30:ae via eth1
Jan 12 19:52:17 localhost dhcpd: DHCPREQUEST for 192.168.0.220
(192.168.0.50) from 00:0f:b5:47:30:ae via eth1
Jan 12 19:52:17 localhost dhcpd: DHCPACK on 192.168.0.220 to
00:0f:b5:47:30:ae via eth1

un reboot sous ubuntu :

Jan 12 20:17:48 localhost dhcpd: DHCPRELEASE of 192.168.0.220 from
00:0f:b5:47:30:ae via eth1 (found)
Jan 12 20:18:58 localhost dhcpd: DHCPDISCOVER from 00:0f:b5:47:30:ae via
eth1
Jan 12 20:18:59 localhost dhcpd: DHCPOFFER on 192.168.0.220 to
00:0f:b5:47:30:ae via eth1
Jan 12 20:19:05 localhost dhcpd: DHCPDISCOVER from 00:0f:b5:47:30:ae via
eth1
Jan 12 20:19:05 localhost dhcpd: DHCPOFFER on 192.168.0.220 to
00:0f:b5:47:30:ae via eth1
Jan 12 20:19:18 localhost dhcpd: DHCPDISCOVER from 00:0f:b5:47:30:ae via
eth1
Jan 12 20:19:18 localhost dhcpd: DHCPOFFER on 192.168.0.220 to
00:0f:b5:47:30:ae via eth1
Jan 12 20:19:32 localhost dhcpd: DHCPDISCOVER from 00:0f:b5:47:30:ae via
eth1
Jan 12 20:19:32 localhost dhcpd: DHCPOFFER on 192.168.0.220 to
00:0f:b5:47:30:ae via eth1
Jan 12 20:19:42 localhost dhcpd: DHCPDISCOVER from 00:0f:b5:47:30:ae via
eth1
Jan 12 20:19:42 localhost dhcpd: DHCPOFFER on 192.168.0.220 to
00:0f:b5:47:30:ae via eth1
Jan 12 20:19:53 localhost dhcpd: DHCPDISCOVER from 00:0f:b5:47:30:ae via
eth1
Jan 12 20:19:53 localhost dhcpd: DHCPOFFER on 192.168.0.220 to
00:0f:b5:47:30:ae via eth1
Jan 12 20:21:23 localhost dhcpd: DHCPDISCOVER from 00:0f:b5:47:30:ae via
eth1
Jan 12 20:21:24 localhost dhcpd: DHCPOFFER on 192.168.0.220 to
00:0f:b5:47:30:ae via eth1
Jan 12 20:21:24 localhost dhcpd: DHCPREQUEST for 192.168.0.220
(192.168.0.50) from 00:0f:b5:47:30:ae via eth1
Jan 12 20:21:24 localhost dhcpd: DHCPACK on 192.168.0.220 to
00:0f:b5:47:30:ae via eth1

un reboot sous windows :

Jan 12 20:23:14 localhost dhcpd: DHCPRELEASE of 192.168.0.220 from
00:0f:b5:47:30:ae via eth1 (found)
Jan 12 20:23:48 localhost dhcpd: DHCPDISCOVER from 00:0f:b5:47:30:ae via
eth1
Jan 12 20:23:49 localhost dhcpd: DHCPOFFER on 192.168.0.220 to
00:0f:b5:47:30:ae (portable-mimi) via eth1
Jan 12 20:23:52 localhost dhcpd: DHCPDISCOVER from 00:0f:b5:47:30:ae
(portable-mimi) via eth1
Jan 12 20:23:52 localhost dhcpd: DHCPOFFER on 192.168.0.220 to
00:0f:b5:47:30:ae (portable-mimi) via eth1
Jan 12 20:24:00 localhost dhcpd: DHCPDISCOVER from 00:0f:b5:47:30:ae
(portable-mimi) via eth1
Jan 12 20:24:00 localhost dhcpd: DHCPOFFER on 192.168.0.220 to
00:0f:b5:47:30:ae (portable-mimi) via eth1
Jan 12 20:24:15 localhost dhcpd: DHCPDISCOVER from 00:0f:b5:47:30:ae
(portable-mimi) via eth1
Jan 12 20:24:15 localhost dhcpd: DHCPOFFER on 192.168.0.220 to
00:0f:b5:47:30:ae (portable-mimi) via eth1
Jan 12 20:24:51 localhost dhcpd: DHCPDISCOVER from 00:0f:b5:47:30:ae
(portable-mimi) via eth1
Jan 12 20:24:51 localhost dhcpd: DHCPOFFER on 192.168.0.220 to
00:0f:b5:47:30:ae (portable-mimi) via eth1
Jan 12 20:24:51 localhost dhcpd: DHCPREQUEST for 192.168.0.220
(192.168.0.50) from 00:0f:b5:47:30:ae (portable-mimi) via eth1
Jan 12 20:24:51 localhost dhcpd: DHCPACK on 192.168.0.220 to
00:0f:b5:47:30:ae (portable-mimi) via eth1

************************************************
/etc/network/interfaces

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

up echo "1" > /proc/sys/net/ipv4/ip_forward

auto eth1
iface eth1 inet static
address 192.168.0.50
netmask 255.255.255.0

auto eth0
iface eth0 inet dhcp
#pre-up iptables-restore < /etc/network/iptables-rules

**************************************************
debian-concorde:/home/mickael# iptables -L
Chain INPUT (policy DROP)
target prot opt source destination
ACCEPT all -- anywhere anywhere
LOG all -- 127.0.0.0/8 anywhere LOG level
warning
DROP all -- 127.0.0.0/8 anywhere
ACCEPT all -- anywhere 255.255.255.255
ACCEPT all -- 192.168.0.0/24 anywhere
ACCEPT !tcp -- anywhere BASE-ADDRESS.MCAST.NET/4
LOG all -- 192.168.0.0/24 anywhere LOG level
warning
DROP all -- 192.168.0.0/24 anywhere
ACCEPT all -- anywhere 255.255.255.255
ACCEPT all -- anywhere
lns-bzn-9-82-254-88-24.adsl.proxad.net
ACCEPT all -- anywhere
lns-bzn-9-82-254-88-255-illegal.adsl.proxad.net
LOG all -- anywhere anywhere LOG level
warning
DROP all -- anywhere anywhere

Chain FORWARD (policy DROP)
target prot opt source destination
ACCEPT all -- 192.168.0.0/24 anywhere
ACCEPT all -- anywhere anywhere state
RELATED,ESTABLISHED
LOG all -- anywhere 192.168.0.0/24 LOG level
warning
DROP all -- anywhere 192.168.0.0/24
LOG all -- anywhere anywhere LOG level
warning
DROP all -- anywhere anywhere

Chain OUTPUT (policy DROP)
target prot opt source destination
ACCEPT all -- anywhere anywhere
ACCEPT all -- anywhere 255.255.255.255
ACCEPT all -- anywhere 192.168.0.0/24
ACCEPT !tcp -- anywhere BASE-ADDRESS.MCAST.NET/4
LOG all -- anywhere 192.168.0.0/24 LOG level
warning
DROP all -- anywhere 192.168.0.0/24
ACCEPT all -- anywhere 255.255.255.255
ACCEPT all -- lns-bzn-9-82-254-88-24.adsl.proxad.net anywhere
ACCEPT all -- lns-bzn-9-82-254-88-255-illegal.adsl.proxad.net
anywhere
LOG all -- anywhere anywhere LOG level
warning
DROP all -- anywhere anywhere

***************************************************************
/var/lib/dhcp3/dhcpd.leases

# All times in this file are in UTC (GMT), not your local timezone.
This is
# not a bug, so please don't ask about it. There is no portable way to
# store leases in the local timezone, so please don't request this as a
# feature. If this is inconvenient or confusing to you, we sincerely
# apologize. Seriously, though - don't ask.
# The format of this file is documented in the dhcpd.leases(5) manual page.
# This lease file was written by isc-dhcp-V3.0.1

lease 192.168.0.220 {
starts 4 2006/01/12 18:52:17;
ends 4 2006/01/12 19:52:17;
binding state active;
next binding state free;
hardware ethernet 00:0f:b5:47:30:ae;
}
lease 192.168.0.220 {
starts 4 2006/01/12 18:52:17;
ends 4 2006/01/12 19:17:48;
tstp 4 2006/01/12 19:17:48;
binding state free;
hardware ethernet 00:0f:b5:47:30:ae;
}
lease 192.168.0.220 {
starts 4 2006/01/12 19:21:24;
ends 4 2006/01/12 20:21:24;
binding state active;
next binding state free;
hardware ethernet 00:0f:b5:47:30:ae;
}
lease 192.168.0.220 {
starts 4 2006/01/12 19:21:24;
ends 4 2006/01/12 19:23:14;
tstp 4 2006/01/12 19:23:14;
binding state free;
hardware ethernet 00:0f:b5:47:30:ae;
}
lease 192.168.0.220 {
starts 4 2006/01/12 19:24:51;
ends 4 2006/01/12 20:24:51;
binding state active;
next binding state free;
hardware ethernet 00:0f:b5:47:30:ae;
uid "\001\000\017\265G0\256";
client-hostname "portable-mimi";
}


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