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System Configuration
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Destination MAC
When the bridge filtering is enabled, enter the Destination MAC address, select
Block and click Add. Then all incoming WAN and LAN Ethernet packets matched with
this destination MAC address will be filtered out. If the Forward is selected, then the
packets will be forwarded to the destination PC.
Type
Enter the hexadecimal number for the Ethernet type field in Ethernet_II packets. For
example, 0800 is for IP protocol.
Figure 4-22: Bridge Filtering Screen
DNS Configuration
The DNS Configuration page allows you to set the configuration of DNS proxy. The
Conexant firmware supports the DNS proxy function. For the DHCP requests from
local PCs, the DHCP server will set the LAN port IP as the default DNS server. Thus,
all DNS query messages will come into LAN port first. The DNS proxy on the ADSL
modem recorded the available DNS servers, and forward DNS query messages to one
of DNS server.
Four DNS proxy modes available in ADE-3000:
Disable DNS Proxy
The LAN port does not process the DNS query message. For the DHCP requests from
local PCs, the DHCP server will set the user-configured preferred DNS sever or
alternate DNS server whichever is available as the DNS server. Then all DNS query
messages will be directly sent to the DNS servers.
Use Auto Discovered DNS Servers Only
The DNS proxy will store the DNS server IP addresses obtained from DHCP client or
PPP into the table. And all DNS query messages will be sent to one of the dynamically
obtained DNS servers.
Use User Configured DNS Servers Only
The DNS proxy will use the user-configured preferred DNS server and alternate DNS
server. And all DNS query message will be sent to one of DNS servers.
Auto Discovery + User Configured
The DNS proxy’s table has all the IP addresses of dynamically obtained and user
configured DNS servers.
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