You may be interested in the my network setup. You can see parts which
are live and parts which are leftovers from my tests. If interface is
avtive, it's probably needed, if it's no carrier status, I was
testing something in the past (in case you are wondering).
# ifconfig
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 33196
priority: 0
groups: lo
inet6 ::1 prefixlen 128
inet6 fe80::1%lo0 prefixlen 64 scopeid 0xa
inet 127.0.0.1 netmask 0xff000000
vr0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
lladdr 00:00:24:cc:e5:7c
description: physical link to modem
priority: 0
media: Ethernet autoselect (100baseTX full-duplex)
status: active
inet6 fe80::200:24ff:fecc:e57c%vr0 prefixlen 64 scopeid 0x1
inet 192.168.1.250 netmask 0xffffff00 broadcast 192.168.1.255
vr1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
lladdr 00:00:24:cc:e5:7d
description: link to net4511
priority: 0
media: Ethernet autoselect (none)
status: no carrier
inet 192.168.101.1 netmask 0xffffff00 broadcast 192.168.101.255
inet6 fe80::200:24ff:fecc:e57d%vr1 prefixlen 64 scopeid 0x2
vr2: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
lladdr 00:00:24:cc:e5:7e
description: link to linksys
priority: 0
media: Ethernet autoselect (none)
status: no carrier
inet 192.168.102.1 netmask 0xffffff00 broadcast 192.168.102.255
inet6 fe80::200:24ff:fecc:e57e%vr2 prefixlen 64 scopeid 0x3
vr3: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
lladdr 00:00:24:cc:e5:7f
description: link to netgear switch
priority: 0
media: Ethernet autoselect (none)
status: no carrier
inet 192.168.103.1 netmask 0xffffff00 broadcast 192.168.103.255
inet6 fe80::200:24ff:fecc:e57f%vr3 prefixlen 64 scopeid 0x4
sis0: flags=8b43<UP,BROADCAST,RUNNING,PROMISC,ALLMULTI,SIMPLEX,MULTICAST> mtu
1500
lladdr 00:00:24:cc:d4:7c
description: part of bridge0
priority: 0
media: Ethernet autoselect (none)
status: no carrier
inet6 fe80::200:24ff:fecc:d47c%sis0 prefixlen 64 scopeid 0x5
sis1: flags=8b43<UP,BROADCAST,RUNNING,PROMISC,ALLMULTI,SIMPLEX,MULTICAST> mtu
1500
lladdr 00:00:24:cc:d4:7d
description: part of bridge0
priority: 0
media: Ethernet autoselect (none)
status: no carrier
inet6 fe80::200:24ff:fecc:d47d%sis1 prefixlen 64 scopeid 0x6
sis2: flags=8b43<UP,BROADCAST,RUNNING,PROMISC,ALLMULTI,SIMPLEX,MULTICAST> mtu
1500
lladdr 00:00:24:cc:d4:7e
description: part of bridge0
priority: 0
media: Ethernet autoselect (none)
status: no carrier
inet6 fe80::200:24ff:fecc:d47e%sis2 prefixlen 64 scopeid 0x7
sis3: flags=8b43<UP,BROADCAST,RUNNING,PROMISC,ALLMULTI,SIMPLEX,MULTICAST> mtu
1500
lladdr 00:00:24:cc:d4:7f
description: part of bridge0
priority: 0
media: Ethernet autoselect (100baseTX full-duplex)
status: active
inet6 fe80::200:24ff:fecc:d47f%sis3 prefixlen 64 scopeid 0x8
enc0: flags=0<>
priority: 0
groups: enc
status: active
vether0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
lladdr fe:e1:ba:d0:55:5f
description: part of bridge0
priority: 0
groups: vether
media: Ethernet autoselect
status: active
inet 192.168.110.1 netmask 0xffffff00 broadcast 192.168.110.255
inet6 fe80::fce1:baff:fed0:555f%vether0 prefixlen 64 scopeid 0xb
pppoe0: flags=8851<UP,POINTOPOINT,RUNNING,SIMPLEX,MULTICAST> mtu 1492
description: pppoe uplink
priority: 0
dev: vr0 state: session
sid: 0x3c7a PADI retries: 0 PADR retries: 0 time: 08:02:34
sppp: phase network authproto chap authname "[email protected]"
groups: pppoe egress
status: active
inet6 fe80::200:24ff:fecc:e57c%pppoe0 -> prefixlen 64 scopeid 0xc
inet 86.41.44.127 --> 159.134.155.5 netmask 0xffffffff
tun0: flags=51<UP,POINTOPOINT,RUNNING> mtu 1500
priority: 0
groups: tun
status: down
inet 192.168.201.1 --> 192.168.201.2 netmask 0xfffffffc
tun1: flags=10<POINTOPOINT> mtu 1500
priority: 0
groups: tun
status: down
gif0: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
priority: 0
groups: gif
gif1: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1280
priority: 0
groups: gif
physical address inet 192.168.101.1 --> 192.168.1.105
inet6 fe80::200:24ff:fecc:e57c%gif1 -> prefixlen 64 scopeid 0x10
bridge0: flags=4041<UP,RUNNING,LINK2>
description: link to virtual hosts
groups: bridge
priority 32768 hellotime 2 fwddelay 15 maxage 20 holdcnt 6 proto rstp
vether0 flags=3<LEARNING,DISCOVER>
port 11 ifpriority 0 ifcost 0
sis0 flags=3<LEARNING,DISCOVER>
port 5 ifpriority 0 ifcost 0
sis1 flags=3<LEARNING,DISCOVER>
port 6 ifpriority 0 ifcost 0
sis2 flags=3<LEARNING,DISCOVER>
port 7 ifpriority 0 ifcost 0
sis3 flags=3<LEARNING,DISCOVER>
port 8 ifpriority 0 ifcost 0
gif0 flags=3<LEARNING,DISCOVER>
port 15 ifpriority 0 ifcost 0
gif1 flags=3<LEARNING,DISCOVER>
port 16 ifpriority 0 ifcost 0
--
best regards
q#
