Change an IP address without a reboot

[Andrew Falanga]

On 11/2/06, Steve Bertrand <iaccounts at ibctech.ca> wrote:
>
> mybox# ifconfig
> rl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>         options=8<VLAN_MTU>
>         inet 208.70.104.3 netmask 0xffffff80 broadcast 208.70.104.127
>         inet 192.168.250.1 netmask 0xffffff00 broadcast 192.168.250.255
>
> ...now,
>
> mybox# ifconfig rl0 delete 192.168.250.1
>
> ...and finally,
>
> newmarlo# ifconfig
> rl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>         options=8<VLAN_MTU>
>         inet 208.70.104.3 netmask 0xffffff80 broadcast 208.70.104.127
>

This seems to work for IPv4 address as I tried the above.  I added the
address and then deleted it.  However, when I attempt to delete the IPv6
address I've given to the interface, I continually get "bad value."  For
example,

ifconfig sis0 inet6 fec0:1:1:1::2/64

ifconfig sis0 delete fec0:1:1:1::2

Which returns:

ifconfig: fec0:1:1:1::2: Bad value

I've even tried expressing all 8 "blocks" of the IPv6 address.  Could this
be a defect in how ifconfig handles IPv6 addresses?  If so, whom do I
contact to look into it?

Andy