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point to point speeds

Posted on 2004-04-01
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Last Modified: 2010-04-11
We have a point to point t1 line setup between two buildings that are about 20 miles apart.  7 channels are being used for voice and the remaining channels are used for data.  What type of response should be expected when pinging the router on the remote end of the t1 line?
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Question by:johnlcox
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billwharton earned 20 total points
ID: 10734361
Depends on the load of the T1. To find out the load on a Cisco router, use this:

show interface __ s0 or s0/0 or whatever

on the 3rd/4th line, it would show you a load like 64/255 which means it's about 25% in use.

If your load does not exceed 80%, you shoud get a response time of under 25ms which is good.
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by:johnlcox
ID: 10734428
any idea how to see the load on an adtran router?
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by:billwharton
ID: 10734450
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by:johnlcox
ID: 10734452
I looked through all of the show interface commands on the adtran router and I don't think there is a way to tell what the load is.  The load shouldn't be much since we don't have any computers at the remote location yet, it's just the router.  I am getting an average ping of about 39 ms between the two locations, which seems a bit high.
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by:johnlcox
ID: 10734457
We have been through most of the configuration guides on that site and we have talked to their support staff about 5 times and they aren't much help.  They said we should probably get a ping of about 20 ms, but they didn't say anything as to what to try changing to lower our ping.
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by:billwharton
ID: 10734479
Well, this might be a way to find out.

Try doing your ping during after hours and see if the response is better. If not, your T1 line might be dirty and ask the service provider to run their tests. They are able to do loopback tests and find out problems in the line such as CRC mismatches, etc and get rid of those then.
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by:johnlcox
ID: 10734740
Ok, thank you for your help.  I'm going to be posting another question, worth more points, at some point in regards to some other more complicated problems i'm having with the point to point connection.
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