ZyXEL EX3510-B0 User Guide - Page 176
Address Mapping
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Chapter 11 Network Address Translation (NAT) Figure 102 Network Setting > NAT > ALG The following table describes the fields in this screen. Table 62 Network Setting > NAT > ALG LABEL DESCRIPTION NAT ALG Enable this to make sure applications such as FTP and file transfer in IM applications work correctly with port-forwarding and address-mapping rules. SIP ALG Enable this to make sure SIP (VoIP) works correctly with port-forwarding and address-mapping rules. RTSP ALG Enable this to have the Zyxel Device detect RTSP traffic and help build RTSP sessions through its NAT. The Real Time Streaming (media control) Protocol (RTSP) is a remote control for multimedia on the Internet. PPTP ALG Enable this to turn on the PPTP ALG on the Zyxel Device to detect PPTP traffic and help build PPTP sessions through the Zyxel Device's NAT. IPSEC ALG Enable this to turn on the IPsec ALG on the Zyxel Device to detect IPsec traffic and help build IPsec sessions through the Zyxel Device's NAT. Cancel Click Cancel to restore the default or previously saved settings. Apply Click Apply to save your changes. 11.6 Address Mapping Address mapping can map local IP Addresses to global IP addresses. Ordering your rules is important because the Zyxel Device applies the rules in the order that you specify. When a rule matches the current packet, the Zyxel Device takes the corresponding action and the remaining rules are ignored. Click Network Setting > NAT > Address Mapping to display the following screen. Figure 103 Network Setting > NAT > Address Mapping EX3510-B0 User's Guide 176