Hal> The comment is not accurate. The description would be more
Hal> accurate to say that it "forces" the use of one of the IP
Hal> interfaces which share this source IP address (if a route
Hal> exists to the destination). In the case of IPoIB, there is
Hal> only one interface per IP address.
Why do you think there's only one interface per IP address? For
example, you can easily try the following:
# modprobe ib_ipoib
# ip addr add dev ib0 192.168.0.2/24
# ip addr add dev ib1 192.168.0.2/24
# ip addr show
[...]
7: ib0: <BROADCAST,MULTICAST> mtu 2044 qdisc noop qlen 128
link/[32] 00:02:04:04:fe:80:00:00:00:00:00:00:00:02:c9:01:07:fc:c7:11
brd 00:ff:ff:ff:ff:12:40:1b:ff:ff:00:00:00:00:00:00:ff:ff:ff:ff
inet 192.168.0.2/24 scope global ib0
8: ib1: <BROADCAST,MULTICAST> mtu 2044 qdisc noop qlen 128
link/[32] 00:02:04:05:fe:80:00:00:00:00:00:00:00:02:c9:01:07:fc:c7:12
brd 00:ff:ff:ff:ff:12:40:1b:ff:ff:00:00:00:00:00:00:ff:ff:ff:ff
inet 192.168.0.2/24 scope global ib1
- R.
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