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SmartLink 4020 Getting Started Guide
Subnet Mask
The subnet mask is 32-bit number that filters a destination IP address to determine to which subnet it belongs.
For example, a subnet mask of 255.255.0.0 for a network ID of 192.5.0.0 tells the switch to accept traffic des-
tined for IP addresses that begin with 192.5—all other packets are ignored.
Default Gateway
The IP address of the gateway. The gateway IP address can be retrieved automatically in DHCP mode or be set
up manually with a fixed IP address.
Domain name
The network domain of the SmartLink.
DNS address
Refers to the address of your domain name server, if applicable.
VLAN
VLAN tag value encoded in the WAN Ethernet header in all outgoing packets
Priority Tag
Priority tag value encoded in the WAN Ethernet header in outgoing packets.
Settings
The Settings window contains the following sections:
•
Internet Configuration (see
•
WAN PPPoE Configuration (see
•
MAC Spoofing Configuration (see
•
MTU (see
figure 9
on page 35)
•
Internet VLAN Configuration (see
Note
After configuring the sections, click the
figure 5
Settings
figure 6
on page 33)
figure 7
on page 34)
figure 8
on page 35)
figure 8
on page 35)
on page 31) to save the new configuration.
button (see
Save Internet Settings
4 • Network—WAN
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