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NAT Configuration
Item
explanation
IPSec ALG
It is an encryption technology. Select it to enable IPSec ALG, the default is enabled.
FTP ALG
FTP is a service of connection layer which can transform intranet IP into extranet IP
when intranet IP is sending out packet.
Select it to enable FTP ALG, the default is enabled.
PPTP ALG
Select it enable PPTP ALG, the default is enabled.
Shows the NAT TCP mapping table
Shows the NAT UDP mapping table
Transfer Type
Select the NAT mapping protocol style, TCP or UDP
Inside IP
Set the IP address of device which is connected to LAN interface to do NAT mapping.
Inside Port
Set the LAN port of the NAT mapping
Outside Port
Set the WAN port of the NAT mapping
Notice:
After settings finished, click the Add button to add new mapping table; click the Delete button to delete
the selected mapping table.
Shows the outside WAN port IP address and the inside LAN port IP address.
Notice:
10M/100M adaptive means the network card, and other equipment physical consultations speed, testing
speed under bridge mode near to 100M, in order to ensure the quality of voice and communications real-time
performance, we made some sacrifices of NAT under the transmission performance. Transmit with full capability
only when system is idle, so cannot guarantee that the transmission speed reach to 100M.
7.3.8.4
VPN
This web page provides us a safe connect mode by which we can make remote access to enterprise inner network
from public network. That is to say, you can set it to connect public networks in different areas into inner network
via a special tunnel.
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