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Chapter 5 Device Network Settings
Vantage CNM User’s Guide
95
Figure 43 Device Operation > Device Configuration > Network > WAN > Dial Backup > Edit
(ZyNOS ZyWALL)
The following table describes the fields in this screen.
Table 28 Device Operation > Device Configuration > Network > WAN > Dial Backup > Edit –
ZyNOS ZyWALL
LABEL DESCRIPTION
Get IP Address
Automatically from
Remote Server
Type the login name assigned by your ISP for this remote node.
Use Fixed IP Address Select this check box if your ISP assigned you a fixed IP address, and then
enter the IP address in the following field.
My WAN IP Address Leave the field set to 0.0.0.0 (default) to have the ISP or other remote router
dynamically (automatically) assign your WAN IP address if you do not know
it. Type your WAN IP address here if you know it (static). This is the address
assigned to your local device, not the remote router.
Enable SUA Network Address Translation (NAT) allows the translation of an Internet
protocol address used within one network to a different IP address known
within another network.
SUA (Single User Account) is a subset of NAT that supports two types of
mapping: Many-to-One and Server. When you select this option the device
will use Address Mapping Set 255 in the SMT (see the section on menu 15.1
for more information).
Select the check box to enable SUA. Clear the check box to disable SUA so
the device does not perform any NAT mapping for the dial backup
connection.
Broadcast Dial Backup
Route
Select this check box to forward the backup route broadcasts to the WAN.
Enable Multicast Select this check box to turn on IGMP (Internet Group Multicast Protocol).
IGMP is a network-layer protocol used to establish membership in a Multicast
group - it is not used to carry user data.
Multicast Version Select IGMP-v1 or IGMP-v2. IGMP version 2 (RFC 2236) is an improvement
over version 1 (RFC 1112) but IGMP version 1 is still in wide use. If you
would like to read more detailed information about inter operability between
IGMP version 2 and version 1, please see sections 4 and 5 of RFC 2236.