The diagram below shows how to connect up a small network with five computers and phones to a single internet connection. It's a good idea to have all PCs on a different network switch to the one used by your phones. This ensures no issues with bandwidth should your computers be sending large amounts of data across the network.
Please note though, if you intend to use both phones and internet fairly heavily you may well have call quality problems with this set-up depending as too much traffic is being jammed up too small an internet connection. This can be overcome by using traffic management (QoS) either at the router or with specialised hardware, but we think it better to use two sepearte networks for internet and voice - see below.
Two Internet Connections, Five Phones, Five PCs, Manual internet failover possible
The diagram below shows a good way to connect up a small network with five computers and phones to two separate internet connections via two separate routers. In this instance one router should have DHCP switched on while the other router should have DHCP switched off. Having computers and phones on their own network switches ensures no bandwidth issues on the local network occur should PCs be transmitting large amounts of data internally. Having a connection between the switch used for the computers and phones ensures the phones can be accessed internally for easy access to settings.
An example of how IPs should be configured:
- Router 1: 192.168.1.1 (DHCP On)
Router 2: 192.168.1.2 (DHCP Off)
Static IP's configured on phones:
- Extension 1: 192.168.1.200, Gateway set:192.168.1.2
Extension 2: 192.168.1.201, Gateway set:192.168.1.2
Extension 3: 192.168.1.202, Gateway set:192.168.1.2
Extension 4: 192.168.1.203, Gateway set:192.168.1.2
Extension 5: 192.168.1.204, Gateway set:192.168.1.2
The diagram below shows a good way to connect up a small network with five computers and phones to two separate internet connections via a load balanced router. The router can be configured to primarily send all data from your computers via one connection while sending all data from your phones via your second connection. Should either connection fail everything can automatically reroute via one connection.
A rule can be configured to send all traffic to our IP range: 126.96.36.199-188.8.131.52 via one of the connections while everything else is send via the other connection.
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