Central VPN Management (CVM) is the feature to link multiple branch routers to a central router by VPN tunnels and allows Network Administrator on the Central Router to 1. Set up VPN connections within just one click, 2. Backup and restore configurations of Branch Routers, 3. Upgrade firmware for the Branch Routers.
To make CVM work, it requires configurations on both Central Router (VPN server) and the branch routers (VPN Clients). For DrayOS router, a central router can manage up to 8 branch routers.
1. Go to Central VPN Management >> General Setup, in General Settings tab,
2. Go to IPsec tab, select the Local Subnet to establish LAN-to-LAN VPN connection. Click OK to save.
3. Go to System Maintenance >> Management, make sure the CVM Port is enabled.
1. Go to System Maintenance >> TR-069
2. Go to System Maintenance >> Management, enable Allow management from the Internet and make sure TR069 Server is enabled.
After the above configuration, the branch router will register to the Central Router, and we should see the device appears in the Unmanaged Device List of the Central Router.
Now the Central Router should see the branch router at Central VPN Management >> CPE Management >> Managed Devices List. To add the router to Managed Device List,
After that, the router will appear in Managed Devices List with its name and IP address. To check the detailed information, double-click on it.
If you have entered the exact address, you may check its location in Google Map tab.
1. To establish VPN connection: Go to Central VPN Management >> VPN Management. The VPN Management page shows all the devices in the Managed Device List and their connection status.
2. Click on a device to show the VPN type options, then click on one of the options to establish the VPN connection. In PPTP, IPsec and SSL, the system will give a username and password automatically; however, Administrator could change the encryption methods by choosing “Advanced.”
3. Wait a few seconds and refresh the page, we will see the VPN connection is on, and the connection information is in the CPE VPN Connection List below.
4. After that, both the branch router and central router will create a LAN-to-LAN profile in VPN and Remote Access >> LAN to LAN. Network Administrator could also change the VPN type there, and the settings will be applied to the LAN-to-LAN profile automatically.
If Network Administrator wants the Brach router to back up its configuration once a day, it can be done from the central router with CVM.
1. Create a schedule for the configuration backup: Go to Application >> Schedule, click on an index number to add a schedule profile.
2. Go to Central VPN Management >> CPE Management >> CPE Maintenance, make sure there is a USB disk connected to the router.
3. Add a CPE Maintenance profile: In the CPE Maintenance page, click on an index number to add a new profile.
4. After the configuration backup, go to USB Application >> File Explorer to check if the configuration files have been saved successfully.
To make CVM work, it requires configurations on both Central Router (VPN server) and the branch routers (VPN Clients). As a Central Router, Vigor2960 can manage up to 12 routers; and Vigor3900 can manage up to 16 routers.
1. Go to Central VPN Management >> General Setup >> General Setup,
2. Go to Central VPN Management >> General Setup >> VPN General Setup,
3. Go to System Maintenance >> Access Control to enable "Web Allow," "Telnet Allow," "SSH Allow," and "HTTPS Allow." Click Apply.
4. Configuring the branch router to register to the central router (Please refer to the DrayOS part of this article)
5. Go to Central VPN Mangement >> CPE Management. Seeing the branch router appears means all settings above are correct. Select the router and click Edit.
6. We may enter the detailed information about the branch router in the dialogue box appeared, such as its name and location.
7. To establish VPN network, go to Central VPN Management >> CPE Management >> VPN Management.
8. Wait for a few seconds, and we will see VPN connection established.
With CVM, we can also perform router maintenance from the central router, such as backup and restore configurations. To do branch router Maintenance, go to Central VPN Management >> CPE Management >> CPE Maintenance, click on the branch router and click Add.
2. Type Profile name, select the branch router, choose the Action (here we select Configuration Backup), set the action time in Schedule (here we use Now), and type the Filename.
3. Wait for a few seconds and refresh the page. The Status [Finish] indicates the configuration has been successfully saved to the router. It will take about 800 Mbytes of storage space on the central router.
4. We can also download the configuration to our computers via File Explorer. Choose the filename and click Download.
Published On: Dec 23, 2015
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