TP-Link TD-VG3511 TD-VG3511 V1 User Guide - Page 33

TD-VG3511, Advanced, MTU bytes, Enable NAT, Enable Fullcone NAT, Enable SPI Firewall, Internet

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TD-VG3511 150Mbps Wireless N VoIP ADSL2+ Modem Router User Guide Figure 4-5 Click Advanced, advanced selections for WAN Service Setup can be shown. ¾ MTU (bytes): Maximum Transmission Unit Size. Check this box then you can change the MTU size. The default MTU value is 1500 Bytes. It is not recommended that you change the default value unless required by your ISP. ¾ Enable NAT: This technology translates the IP addresses of a local area network to a different IP address for the Internet. If this Modem Router is hosting your network's connection to the Internet, please select the check box. If another Router exists in your network, you don't need to select the option. ¾ Enable Fullcone NAT: It is a type of NAT, if not enabled, the default NAT will act. ¾ Enable SPI Firewall: A SPI firewall enhances network's security. Select the option to use a firewall, or else without a firewall. 24

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TD-VG3511
150Mbps Wireless N VoIP ADSL2+ Modem Router User Guide
24
Figure 4-5
Click
Advanced
, advanced selections for WAN Service Setup can be shown.
¾
MTU (bytes):
Maximum Transmission Unit Size. Check this box then you can change the MTU
size. The default
MTU
value is 1500 Bytes. It is not recommended that you change the default
value unless required by your ISP.
¾
Enable NAT:
This technology translates the IP addresses of a local area network to a different
IP address for the Internet. If this Modem Router is hosting your network’s connection to the
Internet, please select the check box. If another Router exists in your network, you don’t need
to select the option.
¾
Enable Fullcone NAT:
It is a type of NAT, if not enabled, the default NAT will act.
¾
Enable SPI Firewall:
A SPI firewall enhances network’s security. Select the option to use a
firewall, or else without a firewall.