Hello,
I like guessnet quiet a bit to be able to automatically load the right
logical interface when trying to start a physical one.
As an example:
+++
auto lo eth0
# The primary network interface
mapping eth0
script guessnet-ifupdown
map eth0-static eth0-dhcp
map default: eth0-dhcp
map timeout: 10
map verbose: true
iface eth0-static inet static
address 192.168.2.103
netmask 255.255.255.0
network 192.168.2.0
broadcast 192.168.2.255
gateway 192.168.2.1
# dns-* options are implemented by the resolvconf package, if installed
dns-nameservers 200.91.75.5 200.91.75.6 192.168.2.1
dns-search local
test1-peer address 192.168.2.1 mac 00:06:4f:64:1e:d9
iface eth0-dhcp inet dhcp
+++
However I have the need to always create a bridge between eth0 and a
tap0 tuntap interface. My first naive approach was to do something
similar, :-)
+++
auto lo br0
mapping br0
script guessnet-ifupdown
map br0-static br0-dhcp
map default: br0-dhcp
map timeout: 10
map verbose: true
iface br0-static inet static
pre-up /usr/sbin/tunctl -u <username> -t tap0
pre-up /sbin/ifconfig tap0 up
bridge_ports eth0 tap0
post-down /sbin/ifconfig tap0 down
post-down /usr/sbin/tunctl -d tap0
address 192.168.2.103
netmask 255.255.255.0
network 192.168.2.0
broadcast 192.168.2.255
gateway 192.168.2.1
# dns-* options are implemented by the resolvconf package, if installed
dns-nameservers 200.91.75.5 200.91.75.6 192.168.2.1
dns-search local
test1-peer address 192.168.2.1 mac 00:06:4f:64:1e:d9
iface br0-dhcp inet dhcp
pre-up /usr/sbin/tunctl -u vasqueja -t tap0
pre-up /sbin/ifconfig tap0 up
bridge_ports eth0 tap0
post-down /sbin/ifconfig tap0 down
post-down /usr/sbin/tunctl -d tap0
+++
That can't be done because when guessnet is called the bridge hadn't
been created yet. I also tried moving the pre-up stuff as part of the
mapping stanza, but that didn't work...
So as of now I have no auto loading of any interfaces (except by lo),
and I'm manually starting the interface I want. Not big deal, but
I've been wondering if there's a way to accomplish what I want. I
like a tool that integrates nicely with ifup/ifdown as guessnet does,
and I don't use desktop managers...
Any suggestions on how to accomplish that I'm looking for?
Thanks,
--
Javier.
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