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16
Using the Configuration Utility (continued)
System Configuration > System Information (continued)
SNMP:
The DSA-5100 supports SNMP v2 read only data access. The
Administrator can specify the IP address and the SNMP community
name to determine the target of the management information base
(MIB) exported from the DSA-5100.
Time:
Enable NTP:
The DSA-5100 supports NTP communication protocol
for correct network time. Please specify the IP address or DNS
name of an SNTP server on the system configuration interface.
Time Zone
: Set up the time zone for the DSA-5100. The
default is GMT+08:00. (Taipei)
Set Device Date and Time:
Manually specify system time.
User Logon
SSL:
Allows the admin to choose either https (encrypted username/
password), or http (non-encrypted username/password) as the login
page.
Page 17 / 93
17
Using the Configuration Utility (continued)
System Configuration > WAN1 Configuration > Static IP Mode
Enter the IP address provided to you by your ISP (Required).
IP address:
Enter the subnet mask provided to you by your ISP. All
devices on the network must share the same subnet
mask (Required).
Subnet
mask:
Enter the gateway IP address provided to you by your
ISP (Required).
Default
Gateway:
Static IP
Address:
Enter the IP address of the primary DNS server
(Required).
Primary
DNS
Server:
Enter the IP address of the secondary DNS server
(Optional).
Secondary
DNS
Server:
This device can be configured in Bridge mode. All
interfaces bind to the same IP. Only one set of IP
addresses can be used for management. The advantage
is that there is no need to readjust any network
infrastructure, just plug and use. When you click
Enable
,
the VLAN function of the Public LAN is disabled.
Bridge
Mode:
Note:
WAN1 must have a static IP address in order to utilize the 802.3ad WAN link
aggregation feature. If you cancel the static IP address, then the option of choice for
802.3ad is also canceled. (Please see the WAN2 configuration that follows for
information on configuring 802.3ad.)
Page 18 / 93
18
Using the Configuration Utility (continued)
System Configuration > WAN1 > Dynamic IP Address
Enter the user name and password that is assigned by your ISP.
User Name & Password:
System Configuration > WAN1 > PPPoE
Most DSL users will select this option.
Select this option if there is a DHCP server on the network or to obtain an IP
address automatically from your ISP.
These fields are optional.
Maximum Idle Time & Dial on demand:
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19
Using the Configuration Utility (continued)
System Configuration > WAN2 > Static IP Address
Dynamic IP
Address:
Choose this option if there is a DHCP server on the unmanaged
network.
Enter the IP address provided to you by your ISP.
IP address:
Enter the subnet mask provided to you by your ISP. All
devices on the network must share the same netmask.
Subnet
mask:
Enter the IP address of the gateway provided to you
by your ISP.
Default
Gateway:
Static IP
Address:
802.3ad:
Set WAN2 to 802.3ad mode only if WAN1 is configured for a static IP.
When 802.3ad is enabled, the sum of the bandwidths of WAN1 and
WAN2 is used for the total bandwidth (provided that WAN1 and WAN2
are connected to the same switch(es) that also supports 802.3ad.
Page 20 / 93
20
System Configuration > Public LAN > Global Public LAN Configuration
Using the Configuration Utility (continued)
You can set the system to start or stop IP PNP or Mobile IP on the Public LAN and
Private LAN simultaneously.
1.
IP PNP:
At the user end, you can use any IP address (with gateway and
DNS address) to connect to the Internet; no matter what the IP address at
the user end is, you can access the network resources properly and
authenticate through the DSA-5100.
2.
Mobile IP:
If you construct a network environment using several
DSA-5100s, a user can use the same group of IP configurations. When you
roam at different locations, or download data, the connection will not be
disconnected.
Note: This function can only be activated under NAT.
System Configuration > Public LAN > Public LAN Configuration
If you want to configure multiple Authentication networks on the Public LAN, please
select the
Enable VLAN
option on the public LAN interface.
After the
Enable VLAN
option is selected, the following screen will appear. Choose
the desired Item and click
Edit
to enter the VLAN interface configuration screen.

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