[CentOS] IPv6 range provisioning question

Vadtec vadtec at vadtec.net
Fri Jun 12 14:54:08 UTC 2009


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David V wrote:
> Filipe Brandenburger wrote:
> 
>> Shouldn't it be something like this?
>> IPV6ADDR_SECONDARIES="2001:0470:0103:001A::3/64
>> 2001:0470:0103:001A::4/64 2001:0470:0103:001A::5/64
>> 2001:0470:0103:001A::6/64 2001:0470:0103:001A::7/64
>> 2001:0470:0103:001A::8/64"
>>
>> HTH,
>> Filipe
> 
> 
> Thanks Felipe and Shawn, guess I hadn't tested it enough yet. That is 
> the correct syntax.
> 
> Here is an example from one of my boxes:
> 
> [dveasey at test network-scripts]$ more ifcfg-eth0
> USERCTL=yes
> DEVICE=eth0
> BOOTPROTO=dhcp
> ONBOOT=yes
> TYPE=Ethernet
> ETHTOOL_OPTS="speed 100 duplex full autoneg off"
> IPV6INIT=yes
> IPV6ADDR=2001:1938:108:4400::2/64
> IPV6ADDR_SECONDARIES="2001:4830:1128:4200::2/64 
> 2001:4830:1128:4200::3/64 2001:4830:1128:4200::4/64"
> PEERDNS=yes
> 
> [dveasey at test network-scripts]$ /sbin/ip addr ls dev eth0
> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast 
> qlen 1000
>      link/ether 00:30:18:b0:c0:91 brd ff:ff:ff:ff:ff:ff
>      inet 10.8.9.248/19 brd 10.8.31.255 scope global eth0
>      inet6 2001:4830:1128:4200::4/64 scope global
>         valid_lft forever preferred_lft forever
>      inet6 2001:4830:1128:4200::3/64 scope global
>         valid_lft forever preferred_lft forever
>      inet6 2001:4830:1128:4200::2/64 scope global
>         valid_lft forever preferred_lft forever
>      inet6 2001:1938:108:4400::2/64 scope global
>         valid_lft forever preferred_lft forever
>      inet6 fe80::230:18ff:feb0:c091/64 scope link
>         valid_lft forever preferred_lft forever
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Yes, I know about IPV6ADDR_SECONDARIES. My goal was to provision an entire range
automatically. I will handle the issue with a PHP CLI script run from rc.local
to provision the IPs as needed.

Thanks for all the help.

Vadtec
vadtec at vadtec.net
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