Symantec Veritas Cluster Server Installation Manual page 162

162 Advanced VCS installation topics
Using the UDP layer for LLT
A typical configuration of direct-attached links that use LLT over
Figure A-1
UDP
Node0
UDP Endpoint eth1;
UDP Port = 50001;
IP = 192.1.3.1;
Link Tag = link2
UDP Endpoint eth2;
UDP Port = 50000;
IP = 192.1.2.1;
Link Tag = link1
The configuration that the /etc/llttab file for Node 0 represents has directly
attached crossover links. It might also have the links that are connected through
a hub or switch. These links do not cross routers.
LLT broadcasts requests peer nodes to discover their addresses. So the addresses
of peer nodes do not need to be specified in the /etc/llttab file using the
command. For direct attached links, you do need to set the broadcast address of
the links in the /etc/llttab file. Verify that the IP addresses and broadcast addresses
are set correctly by using the
set-node Node0
set-cluster 1
#configure Links
#link tag-name device node-range link-type udp port MTU \
IP-address bcast-address
link link1 udp - udp 50000 - 192.1.2.1 192.1.2.255
link link2 udp - udp 50001 - 192.1.3.1 192.1.3.255
The file for Node 1 resembles:
set-node Node1
set-cluster 1
#configure Links
#link tag-name device node-range link-type udp port MTU \
IP-address bcast-address
eth1;
192.1.3.2;
Link Tag = link2
Switch
command.
ifconfig -a
Node1
eth2;
192.1.2.2;
Link Tag = link1
set-addr