HA System installation
2007 Nortel
Software Communication System v1.0
Page 13
HA System installation
Select the HA System installation option to install SCS in High-Availability mode. To install SCS in HA mode, perform the following
steps.
Note
DNS SRV records are required for an HA system. If SCS is not running the DNS server, see
Appendix B: Advanced DNS
on
page 26
for details on configuring your DNS server.
Installing the Master System
After selecting the HA System installation option, you will be asked to setup two systems: Master and Slave. The Master System will be
configured first. To configure the Master System, use
Tab
to place the cursor highlight over Master HA System (or use your mouse),
and press
Enter.
You can configure DHCP, DNS, and NTP servers on the host. By default, all options are selected to be configured. You can clear any
or all of the selection options.
1
To select or clear the following options, use
Tab
or your mouse to navigate among lines, and press
Enter
to select a highlighted
option. After you enter all information, press
Tab
to highlight
OK
(or use your mouse), and press
Enter.
•
DHCP
: Dynamic Host Configuration Protocol provides a full DHCP server with 12-hour lease time that is configured to deliver
standard IP information as well as TFTP and NTP servers (both servers are assigned to the SCS).
WARNING:
Enabling DHCP on a network with an existing DHCP server can cause issues with obtaining and using IP
addresses. Contact your network administrator if issues arise.
•
DNS:
Domain Name Server enables the SCS to provide DNS information to network devices. The DNS also configures SRV
records with the SCS as the signaling server.
•
NTP:
Network Time Protocol used to synchronize the computer system clocks over networks.
2
In the Network Settings dialog box, enter the requested information; use
Tab
or your mouse to navigate among lines. After you enter
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