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Beginner

Bandwidth speed testing

Hi Guys,

     We are in the process of upgrading our WAN links and on our WAN interfaces we have a bandwidth value that needs to be changed to reflect the ISP connection link.

What i would like to know is how can we test the bandwidth of a WAN link before and after we change the values?  This way we can get an idea of the performance figures.

Our setup:

We have a router that sits in the middle of our LAN switches and ISP WAN router.  One interface connected to the LAN.  The other connected to the ISP WAN router.  It is this port and router that the WAN bandwidth values are being changed on.  We do not have access to the WAN ISP router.

Your help is appreciated

Regards,

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VIP Expert

Re: Bandwidth speed testing

Disclaimer

The Author of this posting offers the information contained within this posting without consideration and with the reader's understanding that there's no implied or expressed suitability or fitness for any purpose. Information provided is for informational purposes only and should not be construed as rendering professional advice of any kind. Usage of this posting's information is solely at reader's own risk.

Liability Disclaimer

In no event shall Author be liable for any damages whatsoever (including, without limitation, damages for loss of use, data or profit) arising out of the use or inability to use the posting's information even if Author has been advised of the possibility of such damage.

Posting

Your WAN provider should be able to tell you the amount of bandwidth you're supposed to have.  If you're looking to verify their numbers, I've found a simple test is to use a simple traffic generator to send traffic through the WAN link above the "official" bandwidth capacity and measure on the other side whether you receive the "official" amount of bandwidth.  Do know this testing can be adverse to other traffic unless you have QoS that allows the test traffic to only use otherwise unused bandwidth.  Also, it you test when "normal" traffic is at a usual ebb, you may not need to account for its traffic volume.  I.e. such testing is best conducted during off-hours and ideally during a maintenance window.

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2 REPLIES 2
VIP Expert

Re: Bandwidth speed testing

Disclaimer

The Author of this posting offers the information contained within this posting without consideration and with the reader's understanding that there's no implied or expressed suitability or fitness for any purpose. Information provided is for informational purposes only and should not be construed as rendering professional advice of any kind. Usage of this posting's information is solely at reader's own risk.

Liability Disclaimer

In no event shall Author be liable for any damages whatsoever (including, without limitation, damages for loss of use, data or profit) arising out of the use or inability to use the posting's information even if Author has been advised of the possibility of such damage.

Posting

Your WAN provider should be able to tell you the amount of bandwidth you're supposed to have.  If you're looking to verify their numbers, I've found a simple test is to use a simple traffic generator to send traffic through the WAN link above the "official" bandwidth capacity and measure on the other side whether you receive the "official" amount of bandwidth.  Do know this testing can be adverse to other traffic unless you have QoS that allows the test traffic to only use otherwise unused bandwidth.  Also, it you test when "normal" traffic is at a usual ebb, you may not need to account for its traffic volume.  I.e. such testing is best conducted during off-hours and ideally during a maintenance window.

View solution in original post

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Beginner

Re: Bandwidth speed testing

you can check with service provider or you can test with speedtest.net

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