Configuring Your Router
LAN
– Ethernet
52
BEC 8920AC User Manual
Standard Mode:
In standard mode, multicast traffic will flood to all bridge ports when no
client subscribes to a multicast group.
Blocking Mode:
In blocking mode, the multicast data will be blocked when there are no
client subscribes to a multicast group, it won’t flood to the bridge ports.
LAN side firewall:
Enable to drop all traffic from the specified LAN group interface. After activating it,
all incoming packets by default will be dropped, and the user on the specified LAN group interface
can't access CPE anymore. But, you can still access the internet service. If user wants to manage the
CPE, please turn to
Note:
that all incoming packets by default will be dropped if the LAN side firewall is enabled and user cannot manage this
CPE from the specified LAN group.
DHCP Server
You can disable or enable the DHCP (Dynamic Host Configuration Protocol) server or enable the
router’s DHCP relay functions. The DHCP protocol allows your router to dynamically assign IP
addresses to PCs on your network if they are configured to obtain IP addresses automatically.
Disable
: to disable DHCP server function
Enable
: to enable DHCP function and enter the IP Range information.
Start / End IP Address:
The range of IP addresses to be assigned to clients.
Leased Time (hour):
the period of time the IP address assigned will be valid. When expires,
the assigned IP will be recycled and reassigned.
Option 66:
Click Enable to activate DHCP option 66 for some special devices, like IPTV Set
Box. The devices can get firmware or some special service from the TFTP server. User needs
to set the IP or hostname of the TFTP server.
Use Router
’s Setting as DNS Server:
After enabling it, BEC 8920AC would act as a DNS
server and would provide DNS services to all LAN connected devices. Manually specify
primary/secondary DNS server IP addresses when disabling this feature.
Primary / Secondary DNS Server:
Enter the IP addresses of the DNS servers. The DNS
servers are passed to the DHCP clients along with the IP address and the subnet mask.
DHCP Server Relay
The DHCP Server Relay acts as a surrogate DHCP server and relays DHCP requests and
responses between the remote server and the clients. Enter the IP address of the actual,
