From: Alan Kong (kkkong@ee.cuhk.edu.hk)
Date: Tue Sep 06 2005 - 06:27:03 EDT
Dear Managers,
We have IP Multipathing setup on 2 NICs on a Sun V240 server and
observed load balancing was not working.
Our network monitoring(MRTG) program on the 2 network ports on
different switches have network traffic recorded. When there was
traffic recorded on one NIC, there appeared to be no network traffic on
the other NIC. This lasted for about an hour and the network traffic
switched over to the other NIC. The switch over of network traffic on
both NICs repeated on an hourly fasion.
Evironment:
- Solaris 2.8 running on V240 server in NIS+ environment
- Both logical addresses have been added to DNS and NIS+ host table
/etc/hostname.bge0:
v240server-bge0 netmask + broadcast + group production deprecated
-failover up
addif v240server netmask + broadcast + failover up
/etc/hostname.bge1:
v240server-bge1 netmask + broadcast + group production deprecated
-failover up
addif v240server-dum netmask + broadcast + failover up
Both network ports were running GBits. Applications and users uses
v240server address.
Please advise on solving the problem and whether IP Multipathing works
in NIS+ environment since only one host address (v240server) was added
to the NIS+ cred table.
Thank you.
Regards
Alan Kong
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