Re: control of order of inet devices
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On Tue, Apr 16, 2013 at 03:56:21PM +0200, Willy Offermans wrote:
> Dear FreeBSD friends,
>=20
> How can I control the order of the network devices in FreeBSD.
>=20
> For example, the command ifconfig lists the network devices:
>=20
> pcn0: flags=3D8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
> options=3D80000<LINKSTATE>
> ether 00:0c:46:ea:2b:32
> nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
> media: Ethernet 100baseFX
> status: no carrier
> rl0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 15=
00
> options=3D2008<VLAN_MTU,WOL_MAGIC>
> ether 00:11:6b:99:7c:5a
> inet XXX.XXX.24.4 netmask 0xffffff80 broadcast 137.226.24.127
> inet6 fe80::211:6bff:fe99:7c5a%rl0 prefixlen 64 scopeid 0x4=20
> nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
> media: Ethernet autoselect (100baseTX <full-duplex>)
> status: active
> nfe0: flags=3D8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
> options=3D82008<VLAN_MTU,WOL_MAGIC,LINKSTATE>
> ether 00:1b:fc:df:a1:33
> nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
> media: Ethernet autoselect (none)
> status: no carrier
> plip0: flags=3D8810<POINTOPOINT,SIMPLEX,MULTICAST> metric 0 mtu 1500
> nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
> lo0: flags=3D8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
> options=3D600003<RXCSUM,TXCSUM,RXCSUM_IPV6,TXCSUM_IPV6>
> inet6 ::1 prefixlen 128=20
> inet6 fe80::1%lo0 prefixlen 64 scopeid 0x7=20
> inet 127.0.0.1 netmask 0xff000000=20
> nd6 options=3D21<PERFORMNUD,AUTO_LINKLOCAL>
> tap0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1=
500
> options=3D80000<LINKSTATE>
> ether 00:22:19:10:8d:bb
> inet XXX.XXX.24.19 netmask 0xffffffff broadcast 137.226.24.19
> inet6 fe80::2bd:83ff:fe68:7200%tap0 prefixlen 64 scopeid 0x8=20
> nd6 options=3D21<PERFORMNUD,AUTO_LINKLOCAL>
> media: Ethernet autoselect
> status: no carrier
>=20
> pcn0 being first. However, I would like tap0 being first and of course
> without any output ordering trick.
The order is dictated by the order the drivers are probed by the kernel.
When the devices are created they are added to a linked list. There is
no practical way to control the order and it has little or no effect.
-- Brooks
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