ZyXEL VMG1312-B10A User Guide - Page 175

The Address Mapping Screen

Page 175 highlights

Chapter 11 Network Address Translation (NAT) The following table describes the fields in this screen. Table 61 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 addressmapping rules. RTSP ALG Apply Enable this to have the 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. Click Apply to save your changes. Cancel Click Cancel to restore your previously saved settings. 11.7 The Address Mapping Screen Ordering your rules is important because the Device applies the rules in the order that you specify. When a rule matches the current packet, the Device takes the corresponding action and the remaining rules are ignored. Click Network Setting > NAT > Address Mapping to display the following screen. Figure 86 Network Setting > NAT > Address Mapping The following table describes the fields in this screen. Table 62 Network Setting > NAT > Address Mapping LABEL DESCRIPTION Add new rule Click this to create a new rule. Set This is the index number of the address mapping set. Local Start IP This is the starting Inside Local IP Address (ILA). Local End IP This is the ending Inside Local IP Address (ILA). If the rule is for all local IP addresses, then this field displays 0.0.0.0 as the Local Start IP address and 255.255.255.255 as the Local End IP address. This field is blank for One-to-One mapping types. Global Start IP This is the starting Inside Global IP Address (IGA). Enter 0.0.0.0 here if you have a dynamic IP address from your ISP. You can only do this for the Many-to-One mapping type. Global End IP This is the ending Inside Global IP Address (IGA). This field is blank for One-to-One and Many-to-One mapping types. VMG1312-B Series User's Guide 175

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Chapter 11 Network Address Translation (NAT)
VMG1312-B Series User’s Guide
175
The following table describes the fields in this screen.
11.7
The Address Mapping Screen
Ordering your rules is important because the Device applies the rules in the order that you specify.
When a rule matches the current packet, the Device takes the corresponding action and the
remaining rules are ignored.
Click
Network Setting > NAT > Address Mapping
to display the following screen.
Figure 86
Network Setting > NAT > Address Mapping
The following table describes the fields in this screen.
Table 61
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 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.
Apply
Click
Apply
to save your changes.
Cancel
Click
Cancel
to restore your previously saved settings.
Table 62
Network Setting > NAT > Address Mapping
LABEL
DESCRIPTION
Add new rule
Click this to create a new rule.
Set
This is the index number of the address mapping set.
Local Start IP
This is the starting Inside Local IP Address (ILA).
Local End IP
This is the ending Inside Local IP Address (ILA). If the rule is for all local IP addresses, then
this field displays 0.0.0.0 as the Local Start IP address and 255.255.255.255 as the Local
End IP address. This field is blank for
One-to-One
mapping types.
Global Start IP
This is the starting Inside Global IP Address (IGA). Enter 0.0.0.0 here if you have a dynamic
IP address from your ISP. You can only do this for the
Many-to-One
mapping type.
Global End IP
This is the ending Inside Global IP Address (IGA). This field is blank for
One-to-One
and
Many-to-One
mapping types.