Can't delete IPV6 addresses with ifconfig

[Mark Andrews]

> --nextPart1996860.fztbeObibp
> Content-Type: text/plain;
>   charset="utf-8"
> Content-Transfer-Encoding: quoted-printable
> Content-Disposition: inline
> 
> Hi,
> I am experimenting with IPv6 and I can't seem to remove an IPv6 address=20
> from an interface, eg I have..
> [midget 22:11] ~ >ifconfig fxp0
> fxp0: flags=3D8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu=20
> 1500
>         options=3Db<RXCSUM,TXCSUM,VLAN_MTU>
>         inet 10.0.2.1 netmask 0xffffff00 broadcast 10.0.2.255
>         inet 10.0.2.3 netmask 0xffffffff broadcast 10.0.2.3
>         inet 10.0.2.4 netmask 0xffffffff broadcast 10.0.2.4
>         inet 10.0.2.7 netmask 0xffffffff broadcast 10.0.2.7
>         inet6 2002:792d:8527::1:1 prefixlen 64
>         ether 00:02:b3:32:2c:51
>         media: Ethernet 100baseTX
>         status: active
> 
> But I can't remove it, viz..
> [midget 22:11] ~ >sudo ifconfig fxp0 -alias 2002:792d:8527::1:1/64
> ifconfig: 2002:792d:8527::1:1/64: bad value
> [midget 22:27] ~ >sudo ifconfig fxp0 delete 2002:792d:8527::1:1/64
> ifconfig: 2002:792d:8527::1:1/64: bad value
> [midget 22:27] ~ >sudo ifconfig fxp0 delete 2002:792d:8527::1:1
> ifconfig: 2002:792d:8527::1:1: bad value
> [midget 22:27] ~ >sudo ifconfig fxp0 delete 2002:792d:8527::1:1=20
> prefixlen 64
> ifconfig: 2002:792d:8527::1:1: bad value
> [midget 22:27] ~ >sudo ifconfig fxp0 delete 2002:792d:8527::/64
> ifconfig: 2002:792d:8527::/64: bad value
> 
> Anyone know the right way to do this? :)

ifconfig fxp0 -alias inet6 2002:792d:8527::1:1
 
> =2D-=20
> Daniel O'Connor software and network engineer
> for Genesis Software - http://www.gsoft.com.au
> "The nice thing about standards is that there
> are so many of them to choose from."
>   -- Andrew Tanenbaum
> GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
> 
> --nextPart1996860.fztbeObibp
> Content-Type: application/pgp-signature; name=signature.asc 
> Content-Description: This is a digitally signed message part.
> 
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v2.0.4 (FreeBSD)
> 
> iD8DBQBHtCy15ZPcIHs/zowRAp4GAKCiDBhK5KnMRXAtHN9J9pJwbr9vTQCeLHtF
> H6WuTRDWwPdfOggg4inmxbw=
> =UEHW
> -----END PGP SIGNATURE-----
> 
> --nextPart1996860.fztbeObibp--
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org