ZyXEL Vantage CNM User Guide - Page 101
Device Operation > Device Configuration > Network > WAN > Dial Backup, > Edit - ZyNOS
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Chapter 5 Device Network Settings 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). Broadcast Dial Backup Route Enable Multicast Multicast Version Enable RIP RIP Direction 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. Select this check box to forward the backup route broadcasts to the WAN. 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. 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. Select this check box to turn on RIP (Routing Information Protocol), which allows a router to exchange routing information with other routers. RIP (Routing Information Protocol, RFC1058 and RFC 1389) allows a router to exchange routing information with other routers. The RIP Direction field controls the sending and receiving of RIP packets. Select the RIP direction from Both/In Only/Out Only/ None. When set to Both or Out Only, the device broadcasts its routing table periodically. When set to Both or In Only, it incorporates the RIP information that it receives; when set to None, it does not send any RIP packets and ignores any RIP packets received. Both is the default. Vantage CNM User's Guide 101