Chapter 10 Network Address Translation (NAT)
LTE Series User’s Guide
171
Figure 128 Network Setting > NAT > ALG
The following table describes the fields in this screen.
10.6 Address Mapping
Use this screen to enable or disable the NAT Address Mapping in the Zyxel Device.
10.6.1 Address Mapping Screen
Click Network Setting > NAT > Address Mapping to open the Address Mapping screen.
Figure 129 Network Setting > NAT > Address Mapping
The following table describes the fields in this screen.
Table 57 Network Setting > NAT > ALG
LABEL DESCRIPTION
SIP ALG Click this (switch turns blue) to make sure SIP (VoIP) works correctly with port-forwarding and
address-mapping rules. Otherwise, click this to turn off (switch turns gray) the SIP ALG.
PPTP ALG Click this to turn on (switch turns blue) the PPTP ALG on the Zyxel Device to detect PPTP traffic
and help build PPTP sessions through the Zyxel Device’s NAT.
Apply Click Apply to save your changes back to the Zyxel Device.
Cancel Click Cancel to restore your previously saved settings.
Table 58 Network Setting > NAT > Address Mapping
LABEL DESCRIPTION
Rule Name This is the name of the rule.
Local Start IP This is the starting Inside Local IP Address (ILA).
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