ZyXEL GS-105I User Guide - Page 178
NAT Definitions
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Chapter 11 Network Address Translation (NAT) greater number of NAT sessions in order to get a better uploading and downloading rate. Click Network Setting > NAT > Sessions to display the following screen. Note: Enter a number of concurrent NAT sessions in the MAX NAT Session Per Host field, and click Apply to limit the number of concurrent NAT sessions a client can use. Otherwise, clear the number in the MAX NAT Session Per Host field. Click Apply and there's no limit for concurrent NAT sessions a client can use. Figure 102 Network Setting > NAT > Sessions The following table describes the fields in this screen. Table 64 Network Setting > NAT > Sessions LABEL DESCRIPTION MAX NAT Session Per Host (0 ~ 20480) Use this field to set a limit to the number of concurrent NAT sessions each client host can have. If only a few clients use peer to peer applications, you can raise this number to improve their performance. With heavy peer-to-peer application use, lower this number to ensure no single client uses too many of the available NAT sessions. Cancel Click this to restore your previously saved settings. Apply Click this to save your changes on this screen. 11.8 Technical Reference This part contains more information regarding NAT. 11.8.1 NAT Definitions Inside/outside denotes where a host is located relative to the Zyxel Device, for example, the computers of your subscribers are the inside hosts, while the web servers on the Internet are the outside hosts. Global/local denotes the IP address of a host in a packet as the packet traverses a router, for example, the local address refers to the IP address of a host when the packet is in the local network, while the global address refers to the IP address of the host when the same packet is traveling in the WAN side. Note that inside/outside refers to the location of a host, while global/local refers to the IP address of a host used in a packet. Thus, an inside local address (ILA) is the IP address of an inside host in a packet PX7511-B0 User's Guide 178