aaharrison
asked on
Monitor Network Traffic
Hi All,
I have an office building that acts as an ISP and distributes public ip addresses to each of the internal separate offices. 3 bonded TI lines come in to the main router that is then connected to a pair of switches. We have about 20 IP addresses in use and are having some major bandwidth issues... one of the internal offices is really putting a strain on the network and we want to find out who. How can I go about this? I only have access to the switch via SNMP an am hoping to monitor bandwidth usage per IP / switch port.
Any help is VERY appreciated!
I have an office building that acts as an ISP and distributes public ip addresses to each of the internal separate offices. 3 bonded TI lines come in to the main router that is then connected to a pair of switches. We have about 20 IP addresses in use and are having some major bandwidth issues... one of the internal offices is really putting a strain on the network and we want to find out who. How can I go about this? I only have access to the switch via SNMP an am hoping to monitor bandwidth usage per IP / switch port.
Any help is VERY appreciated!
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Aaron Tomosky
What kind of router? What kind of switches? Any managed switch should have some kind of web interface that shows per port bandwidth usage. Same with most routers.
All the major manufacturers have devices with QoS. The Netgear WNDR3700 at roughly $120 is a good deal for the control it offers.
It will work with whatever switch you have. A switch that will give you that kind of control will most likely cost more than the router.
It will work with whatever switch you have. A switch that will give you that kind of control will most likely cost more than the router.
You can also try Bluecoat Packetshaper for QoS. In packetshaper you can configure a dedicated bandwidth out of your total bandwidth to internal offices.
Try a software called NetFlow or Opmanager by manage engine to look at the traffic flow.
Try a software called NetFlow or Opmanager by manage engine to look at the traffic flow.
pilot console rocls for this type of stuff:
http://www.riverbed.com/us/products/cascade/cascade_pilot.php
http://www.riverbed.com/us/products/cascade/cascade_pilot.php
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ASKER
thank you everyone for you help. I was able to get the results I needed by using a combination of PRTG Network Monitor and ManageEngine Oputils 5..... really like PRTG!
Now that I have identified the bandit, I can limit their bandwidth via QoS :)
Now that I have identified the bandit, I can limit their bandwidth via QoS :)