[ofa-general] IPoIB connected mode on RedHat EL5

Tue Mar 20 15:00:19 PDT 2007

It's working OK for me, are you sure you are using the OFED 1.2
ib_ipoib.ko and not the one supplied with RHEL5?

[root at svbu-qa1950-5 ~]# uname -a
Linux svbu-qa1950-5 2.6.18-8.el5 #1 SMP Fri Jan 26 14:15:14 EST 2007
x86_64 x86_
64 x86_64 GNU/Linux
[root at svbu-qa1950-5 ~]# ifconfig ib0
ib0       Link encap:InfiniBand  HWaddr
80:00:04:04:FE:80:00:00:00:00:00:00:00:0
0:00:00:00:00:00:00
          inet addr:192.168.2.101  Bcast:192.168.3.255
Mask:255.255.252.0
          inet6 addr: fe80::205:ad00:8:cbd9/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:65520  Metric:1
          RX packets:31702824 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1092608 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:128
          RX bytes:49688139319 (46.2 GiB)  TX bytes:63909394 (60.9 MiB)

[root at svbu-qa1950-5 ~]# grep OFED /usr/local/ofed/BUILD_ID
OFED-1.2-20070314-0600

Scott Weitzenkamp
SQA and Release Manager
Server Virtualization Business Unit
Cisco Systems

> -----Original Message-----
> From: general-bounces at lists.openfabrics.org 
> [mailto:general-bounces at lists.openfabrics.org] On Behalf Of 
> Woodruff, Robert J
> Sent: Tuesday, March 20, 2007 2:57 PM
> To: Michael S. Tsirkin
> Cc: general at lists.openfabrics.org; openib-general at openib.org
> Subject: [ofa-general] IPoIB connected mode on RedHat EL5
> 
> I am running the OFED 1.2 on RedHat EL5 and it appears that IPoIB
> connected mode is not enable, since the mpu size is set to 2044
> and  cannot be set 
> higher than 2044. On our RedHat EL4 systems, by default the 
> mtu size is 65536 and it appears that connected mode is working.
> Is this expected behavior for the Beta release and will this be 
> fixed before the release ?
> 
> woody
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