Multiple Virtual IP Addresses in 10g RAC on Linux

I'm looking for assistance in configuring multiple virtual IP addresses for my Linux Oracle 10g RAC environment. Currently I have a 2 node RAC environment already setup with 10g running, however I would like to add another virtual IP address in the event my one subnet goes down. My current network looks like the following:

Server 1

xxx.xxx.118.65 (Server 1)   db1
xxx.xxx.118.68 (Virtual IP)  db1-v
xxx.xxx.119.65 (Server 1)   db1 -e2
xxx.xxx.119.68 (Proposed 2nd VIP, would like this to be db1-v2) 
xxx.xxx.121.65 (Private interconnect)

Server 2

xxx.xxx.118.66 (Server 2)   db2
xxx.xxx.118.69 (Virtual IP)  db2-v
xxx.xxx.119.66 (Server 2)   db2 -e2 
xxx.xxx.119.66 (Proposed 2nd VIP, would like this to be db2-v2) 
xxx.xxx.121.66 (Private interconnect)

The reason for the second Virtual IP is if my 118 subnet goes down, I can still access the database via the 119 subnet.

When I run VIPCA, it shows my Virtual IP for the one subnet, however I can not add the second Virtual IP addresses. I've been told that this may work using the Linux Kernel Bonding Module, but I cant confirm whether or not Thanks for any assistance - JPD

Jeff Dubovecky
Consulting Engineer/DBA
Union Switch and Signal
Phone: (412) 688-2881
jpdubovecky_at_switch.com

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