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Bandwidth between Routers

I am being told that between cisco routers if there is only one user they only can take up to 50% of the bandwidth, not 100%....and when a second user comes on they could take the other 50%...and then they get bumped down as more users come on line....is this corret? If it is why can't the first user take all 100% and then get bumped down as a second user comes on line. I am trying to find the documentation on this so I can understand it better. I am told this is only for Cisco routers.

Thanks,

Mike

6 REPLIES
Gold

Re: Bandwidth between Routers

By default there is no limitation on a users use of bandwidth.

A user can use 100% of a line and if a second user comes along the traffic is not in any way split 50-50. It will depend on lots of factors as to how the split is done.

Cisco does have something called fair-queue on slower lines but this just make interactive traffic a little more preferred but does not have a lot of effect on the bandwidth each user gets.

Re: Bandwidth between Routers

Thanks for the responce. Are there any tools or anything I can use that would prove or show I could take all the bandwidth between the routers?

Silver

Re: Bandwidth between Routers

If there is such situation, it may be configured the rate-limit (Committed Access Rate) to limit the access bandwidth at that link.We normally user CAR to label the DSCP, IP precedence, etc.

http://www.cisco.com/en/US/tech/tk543/tk545/tk764/tsd_technology_support_sub-protocol_home.html

Re: Bandwidth between Routers

Thanks for the responce. Are there any tools or anything I can use that would prove or show I could take all the bandwidth between the routers?

Purple

Re: Bandwidth between Routers

You can use (free) tools such as iPerf to load up the link:

http://dast.nlanr.net/Projects/Iperf/

Paresh

Silver

Re: Bandwidth between Routers

Yes, it is good and simple tool. You need a server and a client role PC at two ends. If the PC is fast enough, you can setup multiple tasks to test the link, it is DOS-based program.

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