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The following table describes the labels in this screen.
Table 12 Configuration > WAN > Management WAN: Bridge Encapsulation
LABEL
ISP Parameters for Internet Access
WAN Name
Encapsulation
IPv4 / IPv6
VLAN Configuration
Enable
VID
IPv6 DNS server
This is not available when you select IPv6 Only or Dual Stack in the IPv6/IPv4 field.
First DNS Server
Second DNS Server
Third DNS Server
Apply
Cancel
6.5 NAT
Use this screen to change your EMG2881-T20A's NAT (Network Address Translation) settings. Click
Configuration > WAN > NAT.
6.5.1 General Screen
Use this screen to enable NAT, set a default server and configure your EMG2881-T20A's port forwarding
settings to forward incoming service requests to the server(s) on your local network. Click Configuration >
WAN > NAT > General.
Chapter 6 WAN
DESCRIPTION
Enter the name to use for this connection definition.
Select Bridge when your ISP provides you more than one IP address and you want the
connected computers to get individual IP address from ISP's DHCP server directly. If you
select Bridge, you cannot use routing functions, such as QoS, Firewall, DHCP server and NAT
on traffic from the selected LAN port(s).
Select IPv4 Only if you want the EMG2881-T20A to run IPv4 only.
Select Dual Stack to allow the EMG2881-T20A to run IPv4 and IPv6 at the same time.
Select IPv6 Only if you want the EMG2881-T20A to run IPv6 only.
Select the check box to activate VLAN on this WAN interface. Otherwise, deselect the check
box to deactivate.
Enter a VLAN identifier between 11 to 4094 (the 802.1Q tag specifies only a priority and is
referred to as a priority tag).
VID 1 (the default VLAN ID) is reserved for a management VLAN.
Note: This field is not available when you are configuring the default WAN entry.
Select Obtained From ISP to have the EMG2881-T20A get the IPv6 DNS server addresses from
the ISP automatically.
Select User-Defined and enter the IPv6 DNS server address assigned by the ISP to have the
EMG2881-T20A use the IPv6 DNS server addresses you configure manually.
Select None if you do not want to configure DNS servers. If you do not configure a DNS server,
you must know the IPv6 address of a computer in order to access it.
Click Apply to save your changes back to the EMG2881-T20A.
Click Cancel to begin configuring this screen afresh.
EMG2881-T20A User's Guide
47
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