Avaya 1000 Series Configuration Manual page 112

Network Address Translation
In this configuration example:
• Private IP address:10.1.1.1-10.1.1.3
• PAT IP address: primary address is WAN1 IP address and backup is WAN2 IP address
• Add an outbound policy with the source IP address range and specify the NAT-IP address
in the policy command (the source address can be wild carded to any).
Router/configure> firewall corp
policy 2 out address 10.1.1.1 10.1.1.3 any nat-ip wan1
exit 2
firewall global
nat-failover wan1 wan2
exit
Router/configure >
Add two routes to Internet using WAN1 (primary PAT interface) and WAN2 (secondary PAT
interface) as the gateways (Ensure that the route to Internet through backup interface has a
higher metric.
Router/configure >
ip route 0.0.0.0 0 wan1 metric 1
ip route 0.0.0.0 0 wan2 metric 2
Router/configure >
112 Avaya Secure Router 1000 Series Configuration Guide December 2010