User`s manual

P-660 Series Support Notes
110
All contents copyright © 2005 ZyXEL Communications Corporation.
2. Specify the Check Mechanism (DSL Link or ICMP) that the P660 uses to
check the DSL connection. (ICMP check method will be applied in this
example)
3. If you select IGMP in the Check Mechanism field, set the WAN IP address
(1~3).
4. In the Fail Tolerance field, enter the number of times that your P660 may
ping the IP addresses without getting a response before switching to a WAN
backup connection.
5. In the Recovery Interval field, enter the number of seconds for the P660 to
check the higher priority connection periodically when the P660 is using a
lower priority connection.
6. Type the number of seconds for your P660 to wait for a ping response from
one of the Check WAN IP Address field.
7. Select Yes in the Traffic Redirect field to enter the Menu 2.1 Traffic Redirect
Setup SMT screen.
8. Select Yes in the Active field to have the P660 use traffic redirect if the
normal WAN connection goes down.
9. In the Backup Gateway IP Address field, specify the IP address of your
backup gateway (“192.168.1.254” in this example).
10. In the Metric field, set the backup route’s priority (between 1 and 15) among
the routes the P660 uses.
11. Access SMT Menu 24.8 and enter the ip route status CLI command to verify
that the WAN backup routing policy has been added in the routing table.