[CentOS] IPV6 auto configuration cannot be disabled from if script.
Tilman Schmidt
t.schmidt at phoenixsoftware.de
Sun Feb 17 13:45:00 UTC 2013
Am 17.02.2013 14:36, schrieb Eliezer Croitoru:
> I want to configure IPV6 on the system and not use some auto ipv6 config.
> I have tried to use IPV6_AUTOCONF=no in interface script dose not affect
> anything.
>
> ifcfg-eth0:
> GATEWAY=192.168.1.254
> IPV6INIT=no
> IPV6_AUTOCONF=no
> BROADCAST=192.168.1.255
> BOOTPROTO=none
> NAME=""
> NM_CONTROLLED=yes
> MACADDR=""
> TYPE=Ethernet
> DEVICE=eth0
> NETMASK=255.255.255.0
> MTU="1500"
> IPADDR=192.168.11.1
> NETWORK=192.168.11.0
> ONBOOT=yes
>
> The above file should have resulted an interface with only inet address
> but the result is:
> eth0 Link encap:Ethernet HWaddr XX
> inet addr:192.168.11.1 Bcast:192.168.1.255 Mask:255.255.255.0
> inet6 addr: fe80::7271:bcff:febd:c46b/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:24452216 errors:0 dropped:0 overruns:0 frame:0
> TX packets:38068314 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:6777513704 (6.3 GiB) TX bytes:21817051849 (20.3 GiB)
> Interrupt:29 Base address:0xc000
This looks correct. The interface does not have an autoconfigured IPv6
address. So the parameter IPV6_AUTOCONF=no has been applied correctly.
Perhaps you are confused by the link local address (Prefix fe80::) which
is always present on an IPv6 enabled interface.
HTH
T.
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