TP-Link AC1900 Archer C9 V2 User Guide - Page 39

Archer C9, MTU Size, MTU Size, Primary/Secondary DNS, PPPoE/Russia PPPoE, User Name/Password,

Page 39 highlights

Archer C9 AC1900 Wireless Dual Band Gigabit Router  MTU Size - The normal MTU (Maximum Transmission Unit) value for most Ethernet networks is 1500 Bytes. It is not recommended that you change the default MTU Size unless required by your ISP.  Primary/Secondary DNS - (Optional) Enter one or two DNS addresses in dotted-decimal notation provided by your ISP. Click the Save button to save your settings. 3. If your ISP provides a PPPoE connection, select PPPoE/Russia PPPoE option. And you should enter the following parameters (Figure 5-5). Figure 5-5 WAN - PPPoE  User Name/Password - Enter the User Name and Password provided by your ISP. These fields are case-sensitive.  Secondary Connection - It's available only for PPPoE Connection. If your ISP provides an extra Connection type such as Dynamic/Static IP to connect to a local area network, then you can check the radio button of Dynamic/Static IP to activate this secondary connection.  Disabled - The Secondary Connection is disabled by default, so there is PPPoE connection only. This is recommended.  Dynamic IP - You can check this radio button to use Dynamic IP as the secondary connection to connect to the local area network provided by ISP. - 28 -

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Archer C9
AC1900 Wireless Dual Band Gigabit Router
- 28 -
MTU Size -
The normal
MTU
(Maximum Transmission Unit) value for most Ethernet networks
is 1500 Bytes. It is not recommended that you change the default
MTU Size
unless required
by your ISP.
Primary/Secondary DNS -
(Optional) Enter one or two DNS addresses in dotted-decimal
notation provided by your ISP.
Click the
Save
button to save your settings.
3.
If your ISP provides a PPPoE connection, select
PPPoE/Russia PPPoE
option. And you
should enter the following parameters (Figure 5-5).
Figure 5-5 WAN - PPPoE
User Name/Password -
Enter the User Name and Password provided by your ISP. These
fields are case-sensitive.
Secondary Connection
-
It’s available only for PPPoE Connection. If your ISP provides an
extra Connection type such as Dynamic/Static IP to connect to a local area network, then you
can check the radio button of Dynamic/Static IP to activate this secondary connection.
Disabled
-
The Secondary Connection is disabled by default, so there is PPPoE
connection only. This is recommended.
Dynamic IP
-
You can check this radio button to use Dynamic IP as the secondary
connection to connect to the local area network provided by ISP.