Hi Skoerner,
ifconfig is obsolete according to Red Hat, also it shows the followng message when running it when IPoIB interfaces exists:
Ifconfig uses the ioctl access method to get the full address information, which limits hardware addresses to 8 bytes.
Because Infiniband address has 20 bytes, only the first 8 bytes are displayed correctly.
Ifconfig is obsolete! For replacement check ip.
here is an example of the "ip" command:
# ip addr show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000
link/ether 98:4b:e1:73:a2:c8 brd ff:ff:ff:ff:ff:ff
inet 10.7.54.108/24 brd 10.7.54.255 scope global eth1
inet6 fe80::9a4b:e1ff:fe73:a2c8/64 scope link
valid_lft forever preferred_lft forever
3: eth2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 98:4b:e1:73:a2:c9 brd ff:ff:ff:ff:ff:ff
4: eth0: <BROADCAST,MULTICAST> mtu 1500 qdisc mq state DOWN qlen 1000
link/ether 00:02:c9:0b:4d:41 brd ff:ff:ff:ff:ff:ff
inet 20.20.20.8/24 brd 20.20.20.255 scope global eth0
5: ib0: <BROADCAST,MULTICAST> mtu 4092 qdisc noop state DOWN qlen 1024
link/infiniband a0:00:01:20:fe:80:00:00:00:00:00:00:00:02:c9:03:00:0b:4d:41 brd 00:ff:ff:ff:ff:12:40:1b:ff:ff:00:00:00:00:00:00:ff:ff:ff:ff