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BT Business Hub BT2700HGV Setup Help

scb31
Member

Looking for a little advice as to best way to set up a BT2700HGV router to replace an old Thomson one that has started to drop local network connections. I have a server & 3 PC's that are on their own fixed private 10.x.x.x network, the hub/switch for which has a single ethernet connection to the BT2700. This then has its wireless & associated DHCP set up to work off of a separate 192.168.x.x network range for anything else more public that connects wirelessly. This was catered for on the old Thomson router by it being assigned 2 IP addresses, one for each network range. I cannot find any way to do this on the BT2700, the default 192.168.0.1/255.255.255.0 is the same setup as the old router and works fine for any DHCP supplied machine but without also being given an address in the 10.x.x.x range, none of the private network machines can get out to the internet (even though the default gateway is manually set to the address of the router).

 

Can anyone shed any light on this & maybe also let me know whether this is the optimum & most secure way to configure this anyway to protect & hide the internal network. I also need to eventually set up a simple VPN connection through to there server, so could someone confirm this to be possible with this unit before I spend too much time on this?

 

Thank you in advance for your assistance.

4 REPLIES 4

a-hill
Grand Master

Hi scb31,

 

The 2700 router you have doesn't support multiple subnets, basically you won't be able to run the 10.x and 192.x range from the 2700 at the same time (the other router we supply, the 2701, also won't allow this). You would need to connect a secondary device that has a LAN and a WAN port so you can separate your 2 networks, the WAN side communicating with the 2700 over the 192 range, and the LAN side set to your desired 10 range keeping that network hidden and secure.

 

The 2700 supports VPN pass through ok, it just won't act as a VPN host.

scb31
Member

Thanks very much for this reply & confirming what I thought.

 

I have a further query having now got past this as I am still struggling to get the VPN connection to work. The client continually refuses to connect and the diagnostic reports that there is no reply to the ping. Indeed, in manually trying to ping the networks external IP address, only one out of every two is successful. Could anything on the router be causing this? Does it need a firmware update & if so where do I get it from? Current firmware: 5.29.117.6

mydearcosmo
Power User

Same problem I got while setting up Windows 7 VPN. Any advise would be appreciated.

scb31
Member

As an extra to this, further troubleshooting has shown that the router appears to alter the IP address assigned to the internal PPTP server host. This was showing as an DHCP pool assigned address, rather than the static non-DHCP address that the machine actually has, therefore VPN requests were being incorrectly routed. I used the http://<router address>/mdc option to reset the network address list and the machine reappears, listed with the correct static IP address, however sometime later it is changed back to the DHCP assigned addrress.

 

I am further troubleshooting when this may occur but wonder if anyone else has experienced this & found a resolution?