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[debian-users:44648] Networking trouble

いつも参考にさせていたいただいております。くろと申します。

先日、apt-getでsargeからetchに移行しまして、その関係かわかりませんが起動
時にネットワークの立ち上げに失敗してしまいます。
対処方など御指導いただきたくお願いします。

マシン：IBM Thinkpad X20

# uname -a
Linux black2 2.4.27-2-686 #1 Tue Aug 16 16:31:22 JST 2005 i686 GNU/Linux

# ifconfig
eth0      Link encap:Ethernet  HWaddr 00:10:A4:86:C9:EC
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:9258 errors:0 dropped:0 overruns:0 frame:0
          TX packets:11 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:1000242 (976.7 KiB)  TX bytes:3762 (3.6 KiB)
          Interrupt:11 Base address:0x1840 Memory:f4010000-f4010038

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:138401 errors:0 dropped:0 overruns:0 frame:0
          TX packets:138401 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:40725267 (38.8 MiB)  TX bytes:40725267 (38.8 MiB)


以下/var/log/syslogの抜粋

Sep 12 23:47:22 localhost kernel: e100: eth0 NIC Link is Up 100 Mbps
Full duplex

Sep 12 23:47:24 localhost dhclient: Listening on LPF/eth0/00:10:a4:86:c9:ec
Sep 12 23:47:24 localhost dhclient: Sending on   LPF/eth0/00:10:a4:86:c9:ec
Sep 12 23:47:24 localhost dhclient: Sending on
Socket/fallback/fallback-net
Sep 12 23:47:24 localhost dhclient: DHCPDISCOVER on eth0 to
255.255.255.255 port 67 interval 6
Sep 12 23:47:24 localhost ifd[1255]: + Listening on
LPF/eth0/00:10:a4:86:c9:ec
Sep 12 23:47:24 localhost ifd[1255]: + Sending on
LPF/eth0/00:10:a4:86:c9:ec
Sep 12 23:47:24 localhost ifd[1255]: + Sending on
Socket/fallback/fallback-net
Sep 12 23:47:24 localhost ifd[1255]: + DHCPDISCOVER on eth0 to
255.255.255.255 port 67 interval 6

Sep 12 23:47:30 localhost dhclient: DHCPDISCOVER on eth0 to
255.255.255.255 port 67 interval 10
Sep 12 23:47:30 localhost ifd[1255]: + DHCPDISCOVER on eth0 to
255.255.255.255 port 67 interval 10

Sep 12 23:47:40 localhost dhclient: DHCPDISCOVER on eth0 to
255.255.255.255 port 67 interval 20
Sep 12 23:47:40 localhost ifd[1255]: + DHCPDISCOVER on eth0 to
255.255.255.255 port 67 interval 20

Sep 12 23:48:00 localhost dhclient: DHCPDISCOVER on eth0 to
255.255.255.255 port 67 interval 14
Sep 12 23:48:00 localhost ifd[1255]: + DHCPDISCOVER on eth0 to
255.255.255.255 port 67 interval 14
Sep 12 23:48:14 localhost dhclient: DHCPDISCOVER on eth0 to
255.255.255.255 port 67 interval 9
Sep 12 23:48:14 localhost ifd[1255]: + DHCPDISCOVER on eth0 to
255.255.255.255 port 67 interval 9

Sep 12 23:48:23 localhost dhclient: DHCPDISCOVER on eth0 to
255.255.255.255 port 67 interval 1
Sep 12 23:48:23 localhost ifd[1255]: + DHCPDISCOVER on eth0 to
255.255.255.255 port 67 interval 1

Sep 12 23:48:24 localhost dhclient: No DHCPOFFERS received.
Sep 12 23:48:24 localhost dhclient: No working leases in persistent
database.
Sep 12 23:48:24 localhost ifd[1255]: + No DHCPOFFERS received.
Sep 12 23:48:24 localhost ifd[1255]: + No working leases in persistent
database.
Sep 12 23:48:24 localhost ifd[1255]: +
Sep 12 23:48:24 localhost dhclient: Exiting.
Sep 12 23:48:24 localhost ifd[1255]: + Exiting.
Sep 12 23:48:24 localhost ifd[1255]: +
Sep 12 23:48:24 localhost ifd[1255]: + Failed to bring up eth0.