Package: ifupdown
Version: 0.6.10
Severity: normal
File: /sbin/ifup
It should be to create a bridge and add ports to that bridge at a later
time. In my case the bridge will be used by virtual containers that are
started long after ifupdown has finished.
This works fine without ifupdown, by simply issuing the following two
commands:
# brctl add br1
# ifconfig br1 10.5.0.1 255.255.255.0
This is of course not persistent between reboots, and since I'm not that
fond of using alternative boot script to set up networking, I created an
equivalent configuration in /etc/network/interfaces:
auto br1
iface br1 inet static
address 10.5.0.1
netmask 255.255.255.0
bridge_fd 0
bridge_maxwait 0
If I use that configuration however, the following error messages are
generated:
# ifup br1
SIOCSIFADDR: No such device
br1: ERROR while getting interface flags: No such device
SIOCSIFNETMASK: No such device
br1: ERROR while getting interface flags: No such device
Failed to bring up br1.
The bridge is indeed not active when ifup finished. This can be
'fixed' by adding a dummy interface to the bridge_ports section
like this:
bridge_ports dummy0
But then I end up with a useless interface in my bridge.
Could ifupdown be fixed/adjusted to allow bridges without any ports
added to them? Also, feel free to tell me if I'm doing something
wrong here :)
-- System Information:
Debian Release: 6.0
APT prefers stable
APT policy: (101, 'stable')
Architecture: i386 (i686)
Kernel: Linux 2.6.32-5-686-bigmem (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages ifupdown depends on:
ii libc6 2.11.2-10 Embedded GNU C Library: Shared lib
ii lsb-base 3.2-23.2squeeze1 Linux Standard Base 3.2 init scrip
ii net-tools 1.60-23 The NET-3 networking toolkit
ifupdown recommends no packages.
Versions of packages ifupdown suggests:
ii dhcp3-client 4.1.1-P1-15 ISC DHCP server (transitional pack
ii iproute 20100519-3 networking and traffic control too
ii isc-dhcp-client [dhcp3-clien 4.1.1-P1-15 ISC DHCP client
pn ppp <none> (no description available)
-- no debconf information
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