IMG 1010 - Configuring SIP-Based Load Balancing
This feature allows you to distribute SIP traffic between IMG's configured as “SIP Servers” using Virtual IP Addresses and a SIP load Balancer. The Load Balancer and all SIP Server nodes contain the same IP address. The Load Balancer is the only node which is allowed to respond to ARPs for this Virtual IP Address. This prevents External Network Elements from obtaining the MAC address of the SIP Servers, and forces all external inbound traffic to/through the Load Balancer and then to the SIP Servers.
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Create a Network Interface for CPU with Gratuitous ARP and ARP Responses set to Disable:
Under the SIP Signaling object, create a new SIP Virtual Address object:
In the SIP Virtual Address pane, select the Network Interface you just created:
To configure another virtual IP Address for this IMG, repeat previous two steps
Repeat all steps for each IMG that requires a virtual SIP Address
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