Symantec Veritas 5 - Manual (Page 161)

For example, with the following interfaces:
■ For first network interface
IP address=192.168.30.1, Broadcast address=192.168.30.255,
Netmask=255.255.255.0
■ For second network interface
IP address=192.168.31.1, Broadcast address=192.168.31.255,
Netmask=Mask:255.255.255.0
Configuring the broadcast address for LLT
For nodes on different subnets, set the broadcast address in /etc/llttab depending
on the subnet that the links are on.
An example of a typical /etc/llttab file when nodes are on different subnets. Note
the explicitly set broadcast address for each link.
# cat /etc/llttab
set-node nodexyz
set-cluster 100
link link1 udp - udp 50000 - 192.168.30.1 192.168.30.255
link link2 udp - udp 50001 - 192.168.31.1 192.168.31.255
Sample configuration: direct-attached links
Figure A-1 depicts a typical configuration of direct-attached links employing LLT
over UDP.
161 Advanced VCS installation topics
Using the UDP layer for LLT