Package: dhcp3-client
Version: 3.0.4-10
Severity: minor
Tags: patch
Using a static lease without default gateway as fallback in case there is no
available DHCP server...
/etc/dhcp3/dhclient.conf:
...
lease {
interface "eth4";
fixed-address 10.0.0.7;
option subnet-mask 255.255.255.0;
expire 0 2022/11/17 10:00:55;
}
...causes the following error (ping without any destination address):
# /etc/init.d/networking start
Configuring network interfaces...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/eth4/00:16:cb:98:29:93
Sending on LPF/eth4/00:16:cb:98:29:93
Sending on Socket/fallback
DHCPDISCOVER on eth4 to 255.255.255.255 port 67 interval 7
DHCPDISCOVER on eth4 to 255.255.255.255 port 67 interval 4
No DHCPOFFERS received.
Trying recorded lease 10.0.0.7
Usage: ping [-LRUbdfnqrvVaA] [-c count] [-i interval] [-w deadline]
[-p pattern] [-s packetsize] [-t ttl] [-I interface or address]
[-M mtu discovery hint] [-S sndbuf]
[ -T timestamp option ] [ -Q tos ] [hop1 ...] destination
No working leases in persistent database - sleeping.
done.
The following small change to /sbin/dhclient-script allows leases without any
default gateway:
# diff /sbin/dhclient-script.orig /sbin/dhclient-script.patch
209c209
< if ping -q -c 1 $first_router; then
---
> if [ -z "$first_router" ] || ping -q -c 1 $first_router; then
This should be usefull for small networks without any (always available)
router and DHCP server.
-- System Information:
Debian Release: 4.0
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: i386 (i686)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.18
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8) (ignored:
LC_ALL set to de_DE.UTF-8)
Versions of packages dhcp3-client depends on:
ii debconf [debconf-2.0] 1.5.9 Debian configuration management sy
ii debianutils 2.17.3 Miscellaneous utilities specific t
ii dhcp3-common 3.0.4-10 Common files used by all the dhcp3
ii libc6 2.3.6.ds1-8 GNU C Library: Shared libraries
dhcp3-client recommends no packages.
-- debconf information:
dhcp3-client/dhclient-needs-restarting:
dhcp3-client/dhclient-script_moved:
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