[ewg] Strange behavior with IPoIB in today's Dec 1 OFED daily build

Woodruff, Robert J robert.j.woodruff at intel.com
Tue Dec 1 15:36:12 PST 2009


I loaded today's daily build on RedHat EL 5.4 and
I am seeing some strange behavior with the route table
that is generated.

my ifcfg-ib0 script lools like this

DEVICE=ib0
BOOTPROTO=static
IPADDR=169.254.104.248
ONBOOT=yes

On OFED-1.5-rc2, the route table looks like this, which is what I expect.


[root at compute-0-7 woody]# netstat -r
Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
192.168.25.0    *               255.255.255.0   U         0 0          0 eth0
169.254.0.0     *               255.255.0.0     U         0 0          0 ib0
default         cst-head.local  0.0.0.0         UG        0 0          0 eth0

On today's daily build, the route table seems to be routing the IPoIB trafic
out eth0 instead of ib0.

[root at compute-0-7 woody]# ssh c0-6
root at c0-6's password: 
Last login: Tue Dec  1 11:09:10 2009 from compute-0-5.local
[root at compute-0-6 ~]# netstat -r
Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
192.168.25.0    *               255.255.255.0   U         0 0          0 eth0
169.254.0.0     *               255.255.0.0     U         0 0          0 eth0    <------ should be ib0
default         cst-head.local  0.0.0.0         UG        0 0          0 eth0


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