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Metro E 10 meg PT to PT slow copying files using Cisco 2811

Posted on 2011-05-05
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Last Modified: 2012-05-11

I have a metro e setup with a 10 meg circuit.  I do a speed test transferring files from this site to another site on a metro E, transfer rate is 333kbs.  I can't get any higher than this.  In addition there is no utilization on my router what so ever.  I am posting the cfg for the  router for you to review.

Spoke with AT&T, they said a mismatch on the wire.  Check wires or repin them.  I ran two new wires and I get the same results.  I even took it a step further, hooked my laptop up straight to the Metro circuit with the issued ip and got the same results.

I really need some more insight on what is happening?

 cisco-2811
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Question by:itteche
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LVL 6

Expert Comment

by:Lee_YCP
ID: 35700908
Well, you should be able to use a standard 568b pinned cable from their demark (like Canoga/Perkins) to your router and not have to pin anything, so I am unclear how you would have a pin issue on your side...unless you are running the line from their demark to yours through some telco boxes and creating some pin issues.
Instead of using the "2 new wires" use a standard CAT5 cable.
Try setting your interface on the device to 10MB Full insteall of using auto.
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Author Comment

by:itteche
ID: 35701006
What they had said was, check the wiring and put on a new Cat5 connector.  Instead of doing that I just ran two new lines (one is a backup).  Both lines tested fined but even connected to the laptop, I get the same results.

I have a Cat5e cable ran to the router.  I did the duplex full, speed 100 per AT&T's standards but this did not make a difference.  Your saying run it 10mb full instead of 100?  I can try this.

Now according to AT&T, per their standards it should be set to a set speed on both sides.  When I do this I get a lot of input errors, when left to auto nothing.
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LVL 6

Expert Comment

by:Lee_YCP
ID: 35701733
No, you should not configure two different speeds on each end.

When I configured my metroE, it was pretty straight forward and extremely simple.  The only thing they actuaully told me was to configure my ISR interface at 100-Full and not to leave it auto-auto.  Since it was a 50Mb metroE, I assume this was for interfacing with their equipment; it made too much sense, so I really did not give it another thought.

What is their demarc device?  Router-to-Router (or PC-to-Router) should be a cross-over cable.  Are you using one?  If you do not have one, just make a Cat5 cable with 568A on one end and 568B on the other.
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Author Comment

by:itteche
ID: 35702828
I agree with it being straight forward but the auto/auto was to see if errors would drop off.  ATT recommended fixing cable or swapping it.  It is a canoga perkins box, fiber to 10/100 converter and then a Cat5e straight cable to router.  They keep telling me a mismatch but the configuration on the router was set to speed 100, duplex full when they told me a mismatch.  I set it back to auto/auto because the adjustments did not make a difference.

All components were swapped out with new ones but the problem still exist.  Further testing today with ATT, showed when they removed policy off their end to allow full bandwidth through, the speeds topped.  After applying policy back on, we went right back to down to kilobytes.
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LVL 6

Expert Comment

by:Lee_YCP
ID: 35707315
Well, 333KB * 8 / 1024 = 2.6016 Mb which is still shy of 10.  

Fiber to the canoga is normal for the metroE, that is what I have.  Did you try the cross-over cable between the perkins and your router?

Did they tell you to leave it at auto-auto?  Specifically ask them what speed/duplex your interface needs to be set to.  That should be information within the scope of "they need to provide".  
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Lee_YCP earned 2000 total points
ID: 35707325
Have you tested it on more than one bandwidth test site?
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Author Comment

by:itteche
ID: 35707875
Lee,

No straight through is what they require, not cross over.  Auto-auto is what I had in place to clear up the errors.  This is the only site having this issue, every other site including one like this one is getting 10mbs.  I had them look at a familiar site and they said looks the same.

I had them swap out the canoga perkins box today for a new one.  This cleared up my errors and mismatch problem, oh and I set it back to duplex full / speed 100.

My only other issue is when they removed their throttle policy, I got up to 10mbs.  After applying it back on it went back down to 10mbs.  Also I hooked my laptop directly up to the box again, show them the speeds were low.  I feel there is something written wrong in that rule that throttles the speed.

I plan drilling them on that some more.
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Author Comment

by:itteche
ID: 35721255
Lee,

Well after exhausting searching we had just discovered our speeds to be correct.  It seems we were getting megabits, not megabytes.  So our top speed was 1 megabyte, not back to figuring out why we have low speeds and getting some higher one.

Thanks for your help.
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Author Closing Comment

by:itteche
ID: 35721269
Lee was very helpful in pointing out some things that were overlooked.  In a sense, I saw the real issue at hand.

Now to fixing it the correct way.
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