Avaya Nortel Communication Server 1000 Manual page 292

292 Configuration of IP Telephony nodes using Element Manager
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Figure 67
LAN configuration window
Enter the following Embedded LAN (ELAN) configuration settings:
a. Call Server IP address: This is the IP address of the Call
Server on the ELAN subnet. Enter the Call Server ELAN network
interface IP address (Active ELNK).
The Call Server ELAN network interface IP address must
correspond to the Active ELNK IP address configured in LD 117.
The IP address must be in the same subnet as the ELAN subnet
for the IP Line node.
b. Survivable Media Gateway IP address: This address is
configured for survivability. It is the IP address of the Survivable
Media Gateway on the ELAN subnet.
The Survivable Media Gateway IP address must correspond to
the Active ELNK IP address. If configured, all Voice Gateway
Media Cards in the same node should be in the same Survivable
Cabinet.
The Survivable Media Gateway associated with the Primary
Signaling Server IP Telephony node is called the Alternate Call
Server. It is normally located in the same equipment rack with
the Call Server and Signaling Server; therefore, it is normally
connected to the same ELAN subnet as the Call Server and the
Primary Signaling Server IP Telephony node. The Alternate Call
Server Media Gateway should be equipped with sufficient trunk
Nortel Communication Server 1000
IP Line Fundamentals
NN43100-500 02.02 Standard
Release 5.5 4 February 2008