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Figure 76 Network Setting > NAT > ALG
The following table describes the fields in this screen.
Table 53 Network Setting > NAT > ALG
LABEL
NAT ALG
SIP ALG
RTSP ALG
PPTP ALG
IPSEC ALG
Apply
Cancel
11.7 The Address Mapping Screen
Ordering your rules is important because the GPON Device applies the rules in the order that you
specify. When a rule matches the current packet, the GPON Device takes the corresponding action
and the remaining rules are ignored.
Click Network Setting > NAT > Address Mapping to display the following screen.
Figure 77 Network Setting > NAT > Address Mapping
The following table describes the fields in this screen.
Table 54 Network Setting > NAT > Address Mapping
LABEL
Add new rule
Rule Name
Local Start IP
Local End IP
Chapter 11 Network Address Translation (NAT)
DESCRIPTION
Enable this to make sure applications such as FTP and file transfer in IM applications work
correctly with port-forwarding and address-mapping rules.
Enable this to make sure SIP (VoIP) works correctly with port-forwarding and address-
mapping rules.
Enable this to have the GPON 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.
Enable this to turn on the PPTP ALG on the GPON Device to detect PPTP traffic and help build
PPTP sessions through the GPON Device's NAT.
Enable this to turn on the IPsec ALG on the GPON Device to detect IPsec traffic and help
build IPsec sessions through the GPON Device's NAT.
Click Apply to save your changes.
Click Cancel to restore your previously saved settings.
DESCRIPTION
Click this to create a new rule.
This show the name of the rule.
This is the starting Inside Local IP Address (ILA).
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.
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