carp for IPv6?

Doug Barton dougb at FreeBSD.org
Tue Jul 5 04:20:46 UTC 2011


On 07/04/2011 20:26, Michael Sinatra wrote:
> On 07/04/11 19:59, Doug Barton wrote:
>> If I try to set up a carp interface for IPv6 on a recent 8.2-STABLE I
>> get an error using either /64 or /128 as the mask:
>>
>> ifconfig carp2 vhid 4 advskew 0 pass mycleverpass 2001:a:b:c::2/64
>>
>> ifconfig 2001:a:b:c::2/64: bad value (width too large)
>>
>> There are no examples for IPv6 in the man page, or the handbook; and I
>> can't find any on line. I'm interested in configuration for the command
>> line, and rc.conf.
>
> ifconfig_carp0="vhid 80 advskew 120 pass yomama 128.32.206.100/32"
> ipv6_ifconfig_carp0="2607:f140:ffff:ffff::80/128"
>
> Works on 8.2-STABLE (June 7, 2011).
>
> Note that I cannot get carp to work properly without configuring an IPv4
> address.

Well that sucks. :-/

In the example you gave, how would you add the IPv6 address on the 
command line to an existing carp interface? 'ifconfig carp0 inet6 
2607:f140:ffff:ffff::80/128 alias' ??


Thanks for the response,

Doug

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