Prestige 652H/HW Series User’s Guide
8-10
WAN Setup
Table 8-2 WAN Backup
LABEL DESCRIPTION
Backup Type
Select the method that the Prestige uses to check the DSL connection.
Select
DSL Link
to have the Prestige check the DSL connection’s physical layer.
Select
ICMP
to have the Prestige periodically ping the IP addresses configured in
the
Check WAN IP Address
fields.
Check WAN IP
Address1-3
Configure this field to test your Prestige's WAN accessibility. Type the IP address
of a reliable nearby computer (for example, your ISP's DNS server address).
When using a WAN backup connection, the Prestige periodically pings the
addresses configured here and uses the other WAN backup connection (if
configured) if there is no response.
Fail Tolerance
Type the number of times (2 recommended) that your Prestige may ping the IP
addresses configured in the
Check WAN IP Address
fields without getting a
response before switching to a WAN backup connection (or a different WAN
backup connection).
Recovery Interval
When the Prestige is using a lower priority connection (usually a WAN backup
connection), it periodically checks to whether or not it can use a higher priority
connection.
Type the number of seconds (30 recommended) for the Prestige to wait between
checks. Allow more time if your destination IP address handles lots of traffic.
Timeout
Type the number of seconds (3 recommended) for your Prestige to wait for a ping
response from one of the IP addresses in the
Check WAN IP Address
fields
before timing out the request. The WAN connection is considered "down" after
the Prestige times out the number of times specified in the
Fail Tolerance
field.
Use a higher value in this field if your network is busy or congested.
Traffic Redirect
Active Select this check box to have the Prestige use traffic redirect if the normal WAN
connection goes down.
Metric This field sets this route's priority among the routes the Prestige uses.
The metric represents the "cost of transmission". A router determines the best
route for transmission by choosing a path with the lowest "cost". RIP routing uses
hop count as the measurement of cost, with a minimum of "1" for directly
connected networks. The number must be between "1" and "15"; a number
greater than "15" means the link is down. The smaller the number, the lower the
"cost".
Backup Gateway Type the IP address of your backup gateway in dotted decimal notation. The
Prestige automatically forwards traffic to this IP address if the Prestige's Internet
connection terminates.
Содержание Prestige 652H series
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Страница 197: ...VPN IPSec V Part V VPN IPSec This part provides information about configuring VPN IPSec for secure communications ...
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