On Tue, 20 Aug 2013 18:17:11 -0600, Bob Proulx wrote:
> Tom H wrote:
>> Mark Copper wrote:
>>> Tom H wrote:
>>>> Mark Copper wrote:
>>>>> Previously, my file followed this format for multiple IP addresses on
>>>>> a single nic like this (cf
>>>>> https://wiki.debian.org/NetworkConfiguration):
>>>>>
>>>>> auto eth0 eth0:1
>>>>>
>>>>> iface eth0 inet static
>>>>> address 192.168.1.42
>>>>> netmask 255.255.255.0
>>>>> gateway 192.168.1.1
>>>>> dns-nameservers 8.8.8.8
>>>>>
>>>>> auto eth0:1
>>>>> allow-hotplug eth0:0
>>>>> iface eth0:1 inet static
>>>>> address 192.168.1.43
>>>>> netmask 255.255.255.0
>>>>
>>>> You have "allow-hotplug eth0:0" without an "iface eth0:0 ..." line.
>>>
>>> I think I do, but why is it necessary? I thought it was only for
>>> dynamic changes. and this server never needs them.
>>
>> "iface ..." defines the interface and "allow-hotplug ..." allows
>> udev to hotplug it. Without "iface ...", "allow-hotplug ..." is of
>> no use. You must have meant to have "allow-hotplug eth0:1", not
>> "allow-hotplug eth0:0".
>
> Right. allow-hotplug is for udev. auto is for static boot. The
> presence of "auto" should work at boot time since eth0:1 was listed in
> the first auto line.
I wasn't clear. The "allow-hotplug eth0:0" line's of no use without an
"iface eth0:0 ..." line.
>>>>> but both /etc/init.d/networking reload and restart had separate
>>>>> problems besides not solving my resolv.conf problem. So I tried the
>>>>> newer format at the bottom of the same wiki.debian.org page like
this:
>>>>>
>>>>> auto eth0
>>>>> allow-hotplug eth0
>>>>> iface eth0 inet static
>>>>> address 192.168.1.42
>>>>> netmask 255.255.255.0
>>>>> gateway 192.168.1.1
>>>>> dns-nameservers 8.8.8.8
>>>>>
>>>>> iface eth0 inet static
>>>>> address 192.168.1.43
>>>>> netmask 255.255.255.0
>>>>
>>>> You have two "iface eth0 ..." lines.
>>>
>>> strange, but it's in the wiki.
>>
>> I'm sorry. I've just looked at the wiki and I didn't know that there
>> was a new (?) iproute configuration style.
>
> I think that is a new ifupdown configuration style. It was ifupdown
> that changed. AFAIK iproute is the same.
>
> s/iproute/ifupdown/
>
> For reference see:
>
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=717878
>
> And:
>
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=717887
No time for the references right now but thanks. I'll check them out
some time between now and Sunday... :)
I _AGAIN_ wasn't clear; sorry.
I meant that now that ifupdown is using iproute's "ip" rather than
net-tools' "ifconfig" and "route", it can now assign more than one ip
address to a nic without appending ":X" to the nic's name.
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