AVAYA IP Office DHCP Configuration Over a Sonicwal VPN

Hi Experts,

I am implementing a new Avaya VOIP system. The main IP Office is equipment are in the main office. I have some remote locations that are configure with Site to Site VPN connection back to the main office.

I am using a Sonicwall firewall at the remote location for VPN Access. I have five uses that need to get access to VOIP phone system over the Sonicwall VPN connection.

I have configured a Windows DHCP server in the main office to assign IP addressees and the proper Voice VLAN to the IP Phones and this is working as design.

How do I configure DHCP at the remote site on the Sonicwall Firewall? and how to configure the phone IP phones at the remote site to connect to the Primary IP Office Server edition at the main site?

Thanks
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TeavanaAsked:
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Saadia AttiasConnect With a Mentor Network & Security Engineer / Dev Pro AccessCommented:
Hello
What is the firewall on the main site?
Is there a VPN to VPN between the 2 sites or have you define a VPN in the phones?

You need to define a network for example on X2 on the same network that is in the main site.
For example if 192.168.0.1 is on the main site, you need to define also a network 192.168.0.0 on the X2 and to activate the DHCP on this network. Then connect the phones and activate the DHCP on the phones.
You need also to define this network in the VPN between the to site.
Finaly you need to set the Avaya primary address in the phones also to make them point on it.

You will use the VPN like if it was on the same site because it is the same address network.
But you need not to use the same IP on the two sites.

Good luck
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TeavanaAuthor Commented:
Saadia,

Thank you for this information, I appreciate it.
I am using a FortiGate firewall at the main site. I already have a VPN tunnel between the two locations.

Do I have to manually assign the IP information to the IP phones at the remote locations?

I do not see an option in the Sonicwall firewall to point the IP phones to the IP Office.

Thanks
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Saadia AttiasNetwork & Security Engineer / Dev Pro AccessCommented:
yes it's on the phone to parameter it.
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TeavanaAuthor Commented:
Thank you, I appreciate it.
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