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Debian: More ipv6 addresses then ipv4
https://forum.linode.com/viewtopic.php?f=19&t=8525		 Page 1 of 1
Author:  tofu [ Mon Mar 05, 2012 8:02 am ]
Post subject:  Debian: More ipv6 addresses then ipv4
Hi

do you know how I can add 3 static ipv6 addresses under Debian while I only have 2 ipv4 addresses?

auto lo
iface lo inet loopback

auto eth0 eth0:0 eth0:1

#iface eth0 inet dhcp
iface eth0 inet static
address 109.74.192.6
netmask 255.255.255.0
broadcast 109.74.192.255
gateway 109.74.192.1

iface eth0:0 inet static
address 178.79.180.239
netmask 255.255.255.0

iface eth0 inet6 static
address 2a01:7e00:0000:0000:f03c:91ff:fe96:59f7
netmask 64
gateway fe80:0000:0000:0000:0000:0000:0000:0001

iface eth0:0 inet6 static
address 2a01:7e00:0000:0000:0000:0000:0017:5000
netmask 64
gateway fe80:0000:0000:0000:0000:0000:0000:0001



iface eth0:1 inet6 static
address 2a01:7e00:0000:0000:0000:0000:0017:5001
netmask 64
# ip -6 addr show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qlen 1000
inet6 2a01:7e00::17:5000/64 scope global
valid_lft forever preferred_lft forever
inet6 2a01:7e00::f03c:91ff:fe96:59f7/64 scope global
valid_lft forever preferred_lft forever
inet6 fe80::f03c:91ff:fe96:59f7/64 scope link
valid_lft forever preferred_lft forever



Thanks!
Laurens
Author:  mnordhoff [ Mon Mar 05, 2012 8:44 am ]
Post subject: 
Personally, my /etc/network/interfaces mostly uses 'up ip' and 'down ip' to manage IPs:

Code:
auto eth0
iface eth0 inet static
    address 67.18.187.111
    gateway 67.18.187.1
    netmask 255.255.255.0
    up ip addr add 192.168.130.4/17 dev eth0
    down ip addr del 192.168.130.4/17 dev eth0
    up ip addr add 2600:3c00::2:b001/64 dev eth0
    down ip addr del 2600:3c00::2:b001/64 dev eth0
    up ip addr add 2600:3c00::2:b401/64 dev eth0 preferred_lft 0
    down ip addr del 2600:3c00::2:b401/64 dev eth0


(I let the autoconfigured address, well, autoconfigure, and don't explicitly list it in /etc/network/interfaces.)
Author:  tofu [ Tue Mar 06, 2012 2:59 pm ]
Post subject: 
Thank you :).
I got them running that way..
Author:  mnordhoff [ Wed Mar 07, 2012 5:57 am ]
Post subject: 
I should have added, the "preferred_lft 0" part is a hack to stop it from being used as the source IP for outgoing connections. If you don't care about that, you can remove it.
Author:  smiffy [ Wed Apr 25, 2012 3:07 am ]
Post subject: 
mnordhoff wrote:
Personally, my /etc/network/interfaces mostly uses 'up ip' and 'down ip' to manage IPs:
...
(I let the autoconfigured address, well, autoconfigure, and don't explicitly list it in /etc/network/interfaces.)


Many thanks for sharing that - sorted me out just fine!
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