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Chapter 5
8. (Optional) Enter the IP addresses for the primary or secondary
DNS servers, or both, if you want to use your preferred DNS
servers; otherwise, skip this step.
9. (Optional) Change the MTU value if necessary. If you do
not know what value to enter, leave it as is. For dynamic IP
connection mode, the range of MTU is from 546 to 1492. The
default value is 1454.
10.Enter appropriate connection settings for Disconnect after Idle
(min) and Connect on Demand.
11.Click Apply to save the settings.
5.2.4
Dynamic IP
Dynamic IP is most often used by the cable modem service
providers.
Figure 5.5. WAN – Dynamic IP (DHCP client) Configuration
5.2.4.1 Configuring Dynamic IP for WAN
Follow the instructions below to configure dynamic IP settings:
1. Open the Network Setup configuration page by clicking the
Router Setup -> Connection menu.
2. Select which WAN port (WAN1/WAN2) to configure for dynamic
connection mode.
3. Select Dynamic from the Connection Mode drop-down list. Note
that the IP addresses for the primary and/or the secondary DNS
servers are automatically assigned by the DHCP server of your
36
iPBX30 User Manual
Connection
Mode drop-
down list.
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