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Adding Voip Network

Posted on 2009-05-12
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Last Modified: 2012-05-06
Current setup is a Bonded T on a Cisco 2610 with mutilple static ip's. Cisco 2610 has a single ethernet port to a Watchguard Firewall appliance that uses one of static ip's and a single LAN behind it. Need to add an Edgewater 4500 router to the Cisco 2610 for Voip network that will use a different static ip and not be connected to the existing Lan or Firewall. As a 'Best Practice' should I add a switch in front of the Firewall and create  Vlans for the two networks or should I get a Cisco 2611 Router that has two ethernet ports? Looking more at the security and performace issues/benefits of which way to go.  
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Question by:RollyMan
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ksims1129 earned 500 total points
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There is no bbest practice for anything. Its all about what willl work good in your environment. If security is in mind I would definitely put it behiind the firewall and enable QoS on the outbound of the interface connected to the router to make sure all traffic from Edgewater device has little or no latency when transmitting and recievieng packets.
                                                                                      DataLAN
                                                                                     /
                                                                                   /
INTERNET-----Cisco2610------WatchGuard Firewall
                                                                                    \
                                                                                       \
                                                                                          EdgeWater 4500


It you are not to caught up in security or can properly configure the 2610 to do basic firewall filtering and protecting the device from DoS attacks, I would place a small switch between the 2610 and the watchguard and connect the edgewater device to the switch as well. I would also recommend configuring Qos on the bonded T-1 for LLQ to prioritize the voice paccket
                                                                          WatchGuard Firewall-------------DataLAN
                                                                        /
                                                                     /
INTERNET-----Cisco2610------CiscoSwitch
                                                                    \
                                                                      \
                                                                         EdgeWater 4500
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by:RollyMan
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Thanks for the answer. Have opted to go for your second recommendation as the Edgewater needs to be directly on the net, as per Voip carriers instructions. I think the Edgewater has it's own firewall anyway.
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