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This maps e-mail traffic coming from port 25 to the highest priority, which you have created in the
previous screen (see the IP Protocol field). This also maps your computer's IP address and MAC address
to the E-mail queue (see the Source fields).
Verify that the queue setup works by checking Network Setting > QoS > Monitor. This shows the
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bandwidth allotted to e-mail traffic compared to other network traffic.
4.9 Access the VMG Using DDNS
If you connect your VMG to the Internet and it uses a dynamic WAN IP address, it is inconvenient for you
to manage the device from the Internet. The VMG's WAN IP address changes dynamically. Dynamic
DNS (DDNS) allows you to access the VMG using a domain name.
To use this feature, you have to apply for DDNS service at www.dyndns.org.
This tutorial covers:
•
Registering a DDNS Account on www.dyndns.org
•
Configuring DDNS on Your VMG
•
Testing the DDNS Setting
Note: If you have a private WAN IP address, then you cannot use DDNS.
4.9.1 Registering a DDNS Account on www.dyndns.org
Open a browser and type http://www.dyndns.org.
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Apply for a user account. This tutorial uses UserName1 and 12345 as the username and password.
2
Log into www.dyndns.org using your account.
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Add a new DDNS host name. This tutorial uses the following settings as an example.
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• Hostname: zyxelrouter.dyndns.org
• Service Type: Host with IP address
• IP Address: Enter the WAN IP address that your VMG is currently using. You can find the IP address on
the VMG's Web Configurator Status page.
Then you will need to configure the same account and host name on the VMG later.
Chapter 4 Tutorials
VMG3925-B10C/B30C User's Guide
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