On Mar 22, 2012, at 2:20 PM, Bruce Dubbs wrote:
>> # ip addr show eth0
>> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state
>> UP qlen 1000
>> link/ether 00:1e:4f:f8:00:39 brd ff:ff:ff:ff:ff:ff
>> inet 172.16.24.1/24 brd 172.16.24.255 scope global eth0
>> inet 172.16.24.2/24 brd 172.16.24.255 scope global secondary eth0
>> inet 172.16.24.3/24 brd 172.16.24.255 scope global secondary eth0
>> inet 172.16.24.4/24 brd 172.16.24.255 scope global secondary eth0
>> inet 172.16.24.6/24 brd 172.16.24.255 scope global secondary eth0
>> inet 172.16.24.8/24 brd 172.16.24.255 scope global secondary eth0
>> ....
>>
>>
>> if [ "$(ip addr show ${1} | grep ${IP}/)" == "" ]; then
>
> This is a pretty rare corner case, but the fix looks right. I'll update
> the script. Technically there could also be an error if the IP address
> in the ifconfig file is specified with leading zeros, e.g.
> 172.016.024.008, but I'll ignore that for now.
Interestingly, this came up for me (I use generated IPs in certain places).
I'm using this to strip leading zeros:
sed -E -e 's/0+([1-9])/\1/g' -e 's/000/0/g' -e 's/^00/0/' -e
's/\.00/\.0/g'
I'm bet there's something more clever, but it works. I tried it with this:
00.010.001.100.000.01.00.10
as input, and it generated the correct output.
* * *
On that note...Where does the ifup/ipv4-static (and bridge) situation stand?
Q
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