Hi
I recently installed Debian 4.0R1 on my box. The installation process
really has improved. For the first time ever I didn't have to manually
setup X. Worked quite well. Some nice changes to the number of programs
installed by default. Good job.
Unfortunately I encountered a small problem - most probably a bug, but
I'm not sure.
When I installed - from DVD - I setup eth0 as my default internet link,
it was accepted and the setup routine retrieved all necessary stuff from
a debian site. So far everything OK.
After rebooting however, I - or rather my box - couldn't establish an
internet conection. So i did the following:
-- all done as root, + indicates my commands and the resulting output --
+ ifconfig
+ eth0 Link encap:Ethernet HWaddr 00:40:F4:6E:D3:81
+ UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
+ RX packets:133 errors:0 dropped:0 overruns:0 frame:0
+ TX packets:12 errors:0 dropped:0 overruns:0 carrier:0
+ collisions:0 txqueuelen:1000
+ RX bytes:8650 (8.4 KiB) TX bytes:1399 (1.3 KiB)
+ Interrupt:12 Base address:0xb400
+
+ eth1 Link encap:Ethernet HWaddr 00:01:02:9B:C4:90
+ UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
+ RX packets:0 errors:0 dropped:0 overruns:0 frame:0
+ TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
+ collisions:0 txqueuelen:1000
+ RX bytes:60 (60.0 b) TX bytes:1938 (1.8 KiB)
+ Interrupt:11 Base address:0x6000
+
+ lo Link encap:Local Loopback
+ inet addr:127.0.0.1 Mask:255.0.0.0
+ inet6 addr: ::1/128 Scope:Host
+ UP LOOPBACK RUNNING MTU:16436 Metric:1
+ RX packets:8 errors:0 dropped:0 overruns:0 frame:0
+ TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
+ collisions:0 txqueuelen:0
+ RX bytes:560 (560.0 b) TX bytes:560 (560.0 b)
+ route
+ Kernel IP routing table
+ Destination Gateway Genmask Flags Metric Ref Use Iface
+ link-local * 255.255.0.0 U 0 0 0 eth1
eth1 hadn't been setup so far. And the system should know - from
installation - that eth0 was the default route.
So, lets look at
+ cat /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
+
+ # The primary network interface
+ allow-hotplug eth0
+ iface eth0 inet dhcp
No eth1 here, just eth0.
As I dont't want eth1 to be the default, I tried to kill it:
+ ifdown eth1
+ ifdown: interface eth1 not configured
As eth1 had never been setup, this answer makes sense, but where had it
been setup and where did it get its values from and what made it the
default gateway?
eth0 still doesn't connect to the web, so we will have to kill eth0 and
restart it, so it will behave as expected.
+ ifdown eth0
+ There is already a pid file /var/run/dhclient.eth0.pid with pid 2364
+ killed old client process, removed PID file
+ Internet Systems Consortium DHCP Client V3.0.4
+ Copyright 2004-2006 Internet Systems Consortium.
+ All rights reserved.
+ For info, please visit http://www.isc.org/sw/dhcp/
+
+ Listening on LPF/eth0/00:40:f4:6e:d3:81
+ Sending on LPF/eth0/00:40:f4:6e:d3:81
+ Sending on Socket/fallback
+ DHCPRELEASE on eth0 to 80.69.100.110 port 67
+ send_packet: Network is unreachable
+ send_packet: please consult README file regarding broadcast address.
followes by
+ ifup eth0
+ eth0: link up, no IPv6 routers present
and
+ ifconfig
+ eth0 Link encap:Ethernet HWaddr 00:40:F4:6E:D3:81
+ inet addr:62.143.21.124 Bcast:62.143.21.255 Mask:255.255.255.0
+ inet6 addr: fe80::240:f4ff:fe6e:d381/64 Scope:Link
+ UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
+ RX packets:406 errors:0 dropped:0 overruns:0 frame:0
+ TX packets:30 errors:0 dropped:0 overruns:0 carrier:0
+ collisions:0 txqueuelen:1000
+ RX bytes:25676 (25.0 KiB) TX bytes:3633 (3.5 KiB)
+ Interrupt:12 Base address:0xb400
+
+ eth1 Link encap:Ethernet HWaddr 00:01:02:9B:C4:90
+ inet addr:169.254.96.205 Bcast:169.254.255.255 Mask:255.255.0.0
+ inet6 addr: fe80::201:2ff:fe9b:c490/64 Scope:Link
+ UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
+ RX packets:3 errors:0 dropped:0 overruns:0 frame:0
+ TX packets:27 errors:0 dropped:0 overruns:0 carrier:0
+ collisions:0 txqueuelen:1000
+ RX bytes:240 (240.0 b) TX bytes:3669 (3.5 KiB)
+ Interrupt:11 Base address:0x6000
+
+ lo Link encap:Local Loopback
+ inet addr:127.0.0.1 Mask:255.0.0.0
+ inet6 addr: ::1/128 Scope:Host
+ UP LOOPBACK RUNNING MTU:16436 Metric:1
+ RX packets:720 errors:0 dropped:0 overruns:0 frame:0
+ TX packets:720 errors:0 dropped:0 overruns:0 carrier:0
+ collisions:0 txqueuelen:0
+ RX bytes:56192 (54.8 KiB) TX bytes:56192 (54.8 KiB)
So two questions:
1. Is it a bug or a - maybe undocumented - feature.
2. How do I get rid of the spooky eth1 settings - read: where are they
hidden?
Thanks for any help.
Axel
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