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Page 76 / 114 Scroll up to view Page 71 - 75
D-Link DSL-2877AL Dual Band Wireless AC750 VDSL/ADSL2+ Modem Router User Manual
Section 3 - Web User Interface Configuration
Page 74
DNS
To access the
DNS
page, click on the
Advanced
menu link at the top, and then click on the
DNS
menu link on the left.
On this page the user can configure services related to the DNS feature of this
product.
If Obtain DNS server address automatically is selected, the Router will accept the last
received DNS assignment from one of the PPPoA, PPPoE or DHCP enabled PVC(s)
during the establishment of the connection. If Use the following DNS server
addresses is selected, enter the Preferred and optional Alternate DNS server IP
addresses.
In this section we can configure the DNS Server Configuration.
Obtain DNS server address automatically:
Select this option to obtain DNS
information automatically.
Use the following DNS Server address:
Select this option to use DNS IP
addresses.
Preferred DNS server:
Enter the preferred DNS server IP address here.
Alternate DNS server:
Enter the alternate DNS server IP address here.
Click the
Apply
button to accept the changes made.
Page 77 / 114
D-Link DSL-2877AL Dual Band Wireless AC750 VDSL/ADSL2+ Modem Router User Manual
Section 3 - Web User Interface Configuration
Page 75
Dynamic DNS
To access the
Dynamic DNS
page, click on the
Advanced
menu link at the top, and then click on the
Dynamic DNS
menu link on the left.
On this page the user can configure services related to the Dynamic DNS feature of
this product.
To use Dynamic DNS you have to register at a DDNS provider (dyndns.org
With DDNS the dynamic IP address of your computer will be resolved to a permanent
host name.
Enable the "Dynamic DNS" option.
Select the DNS Server.
In the "User name" field enter the user name for your DDNS account.
In the "Password" and "Confirm Password" fields enter the password for your
DDNS account.
In the "Hostname" field enter the hostname as set up for your DDNS account.
Page 78 / 114
D-Link DSL-2877AL Dual Band Wireless AC750 VDSL/ADSL2+ Modem Router User Manual
Section 3 - Web User Interface Configuration
Page 76
Network Tools
To access the
Network Tools
page, click on the
Advanced
menu link at the top, and then click on the
Network Tools
menu link on the left.
On this page we can use various Network tools to set up and administer the network.
Page 79 / 114
D-Link DSL-2877AL Dual Band Wireless AC750 VDSL/ADSL2+ Modem Router User Manual
Section 3 - Web User Interface Configuration
Page 77
QoS
This option will provide better service of selected network traffic over various
technologies.
802.1p
Select this option to Activate/Deactivated the 802.1p IEEE 802.1p establishes eight
levels of priority (0 ~ 7). Although network managers must determine actual
mappings, IEEE has made broad recommendations. Seven is the highest priority
which is usually assigned to network-critical traffic such as Routing Information
Protocol (RIP) and Open Shortest Path First (OSPF) table updates. Five and six are
often for delay-sensitive applications such as interactive video and voice. Data
classes four through one range from controlled-load applications such as streaming
multimedia and business-critical traffic - carrying SAP data, for instance - down to
"loss eligible" traffic. Zero is used as a best-effort default priority, invoked
automatically when no other value has been set.
IP QoS
Select this option to Activated/Deactivated the IP QoS on different types (IP ToS and
DiffServ). IP QoS function is intended to deliver guaranteed as well as differentiated
Internet services by giving network resource and usage control to the Network
operator.
Applications QoS
Select this option to Activated/Deactivated the different application packets prioritized
on the queues.
VLAN Group QOS
Select this option to Activated/Deactivated the 4094 VID on the 4 different queues.
VID (VLAN ID) is the identification of the VLAN, which is basically used by the
standard 802.1Q. It has 12 bits and allow the identification of 4096 (2^12) VLANs. Of
the 4096 possible VIDs, a VID of 0 is used to identify priority frames and value 4095
(FFF) is reserved, so the maximum possible VLAN configurations are 4,094.
Page 80 / 114
D-Link DSL-2877AL Dual Band Wireless AC750 VDSL/ADSL2+ Modem Router User Manual
Section 3 - Web User Interface Configuration
Page 78
UPnP
UPnP short for Universal Plug and Play is based on a series on standard network
protocols and file formats. Via UPnP various device, e.g. stereo system, router, printer,
can be controlled manufacturer spanning over an IP based network.
SNMP
SNMP is short for Simple Network Management Protocol. This protocol provides
functionality for controlling and monitoring networks. Trigger by defined events, e.g.
errors, the protocol will inform the administrator in an appropriate way.
Get Community
Select to set the password for the incoming Get requests from the management
station.
Set Community
Select to set the password for incoming Set requests from the management station.

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