575 LRE and data transfer problems

575 LRE and data transfer problems
Hello,
I have a connection from my provider using the Cisco 575 LRE, configured for 10 Mbit/s. I don't know the make and model of the switch but I assume it is likely a Cisco device also.
I'm experiencing problems with the LRE connection whenever big files are being transfered simultaneously in both down- and upstream directions to/from a PC. The data transfer may slow down to a stall and all WAN connectivity may become momentarily blocked. Transfer speeds and reliability always seem good as long as big files don't get transferred in both directions at the same time.
What could cause this problem? My service provider says that they see no problems in their end and they are unable to help me. I don't know how extensively they have looked into any possibility of problems though.
I've tried different 100Mbit network cards, replacing ethernet and phone cabling and changing duplex settings and MTU, but nothing has completely solved the problem so far. Forcing network cards to full-duplex does prevent the worst slowdown and hanging described above, but limits upload speed to around half of the maximum available.
Not sure if this is meaningful here, but my service provider claims they have the switch my CPE is connected to configured for full-duplex, but when I have a PC network card set to autonegotiation, it will always result in a 100baseTX half-duplex link with the 575 - this is the case where I get maximum speed in either one direction but also the mentioned problems with bi-directional transfer.
I don't know what more I can do to the PCs here to solve this problem and I don't have access to configuring the CPE device, because I don't own the switch it is connected to. I can only think of trying to ask my ISP to read this thread if someone has a possible solution that requires actions on their behalf.
Any help would be much appreciated.

The problem, as you describe it, is most likely cabling ...it could be the cable between your PC(s) and the 575 (most likely), or between the 575 and the switch.
What you are seeing are the effects of crosstalk (signal from one pair interfereing with the other pair), that's why you see it in full-duplex mode and not (so much) in half-duplex (with half-duplex, only one side talks at a time).
The only part you would be likely be able to change would be the connections on your side of the 575 ... so, try another cable; preferably a store-bought cable and in good shape (twisted, crushed, kinked, stretched, and poorly constructed cables are a Very Bad Thing).
LRE was designed to handle voice-grade cabling, but if you're at near the extreme length, you may see some degradation.
Good Luck
Scott

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Hi guys,
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thanks in adwance
omkar

Hi Omkar,
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<b>Transformations:</b>----
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InfoCube, InfoObject and InfoSet
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<b>DTP :</b>
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http://help.sap.com/saphelp_nw2004s/helpdata/en/42/f98e07cc483255e10000000a1553f7/frameset.htm
Creating DTP
http://help.sap.com/saphelp_nw2004s/helpdata/en/42/fa50e40f501a77e10000000a422035/content.htm
regards
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10 days ago, I received a new 8GB RAM module and so I installed it back... suddenly, the problem came back, I tried re-installing again Photoshop but the problem, this time, still persist!
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Hi Experts,
I have two logical systems namely cln 000 and t90clnt090 assigned to clients 000 and 800 respectively,
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My message type is matmas and i am tranferring data using tcode bd10,but while i am transferring the data my outbound idoc shows the status of 03 in the sending system but in the receiving system i am getting a status of 51 and when i acces the application log it says something like this
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Procedure
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For the answer.
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About eCATT and Data Transfer

Hi,
I have a confusion.
Can I consider eCATT as a standard data transfer tool.What may its greater advantage be?
Thank you

SAP CATT - Computer Aided Test Tool
Just sharing my experiences with CATT (although, I have not used this feature in the last 2 years or so !).
Simply, any one in SAP can use this tool as long as you can access to the tcode. I used CATT atleast in 3 different SAP modules. Typically, in SAP projects, CATT execution is a favorite task for "technical" associates. When the technical resources are either not available immediately or their plate is full with other important tasks, functional associates can simply jump into this activity, since there is no coding or programming involved. This tool has been a great gift from SAP since I am a functional person and could not do coding ! I can remember at least 30 or 40 occassions where I used CATT to get this and that done.
Below find few examples:
1. Created multiple sales orders (excess of 200) in a matter of minutes for the purpose of end user training
2. Created multiple purchase ordes (excess of 200) in a matter of minutes for the purpose of end user training
3. Created Deliveries for the sales orders in a matter of minutes for the purpose of end user training
4. Created config. entires, if the volume of records is large. I remember once I entered 900 records.
5. Extensively used in preparing the transactional data for the purpose of archiving. It worked impeccably.
6. Loading of master data (example: material groups)
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With Compliment by: Ranga Rachapudi
CATT stands 4 Computer Aided Testing Tool
Although CATT is meant for as a testing tools, many SAP users have now use CATT frequently to upload vendors master data and make changes to other master record.
SAP Consultant and Abapers tends to used it for creating test data.
With CATT, you don't have to create any ABAP upload programs and this save on development time. However, you still have to spend time on data mapping into the spreadsheet format.
The transactions run without user interaction. You can check system messages and test database changes. All tests are logged.
What CATT does is record you performing the actual transaction once.
You then identify the fields that you wish to change in that view.
Then export this data to a spreadsheet to populate with the data required.
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User Guide for Data Upload
The use of CATT is for bulk uploading of data. Although CATT is primarily a testing tool, it can be used for the mass upload of data. The way CATT works is like a real user actually inputting on the SAP screen. You prepare a set of data that are required to be input into the system and execute what you called a Test Case and CATT will do the boring task of keying for you.
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· Creation of the CATT test case & recording the sample data input.
· Download of the source file template.
· Modification of the source file.
· Upload of the data from the source file.
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Detailed Procedure
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Creation of the test case is completed as follows:
· Execute Transaction SCAT
· Name the test case. Test case name must start with Z. It is also good practise to include the transaction code in
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· Click the Record button.
· Enter the transaction code (e.g. IE01)
· Continue recording the transaction. Ensure data is entered into every field that is to be used during the upload.
· Save the test case.
Download the source file template
Download of source file template is conducted in two stages as follows:
· Creation of import parameters:
· Within transaction SCAT, Double Click on the TCD line in the Maintain Functions screen.
· Click the Field List button (Field list is displayed).
· For every field that you wish to upload data, double click in the Column New field contents (This creates an
import parameter).
· In the Maintain Import Parameter Pop-Up:
· Delete the default value if not required.
· Press Enter
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is the name of the import parameter.
· Repeat this for every field (in every screen) to be uploaded.
· Back out and save the CATT test case
· Download of source file template:
· Use the path GOTO -> Variants -> Export Default
· Select path and file name (e.g. C:TEMPZ_IE01_UPLOAD.TXT)
· Click Transfer
Modify the source file
The downloaded source file template is now populated with the data that is to be uploaded. This is completed as follows:
· Using Excel, open the tab-delimited text file.
· Do not change any of the entries that already exist.
1st row contains the field names.
2nd row contains the field descriptions.
3rd row displays the default values which are set in the test case.
4th row contains a warning that changing the default values in the spreadsheet has no effect on the actual default values.
· The data to be uploaded can be entered in the spreadsheet from row 4 onwards (delete the 4th row warning &
replace with data for upload).
· Save the file as a Text file (Tab delimited).
Upload data from the source file
Uploading the data is completed as follows:
· Execute the CATT test case
· In the Execute screen:
· Set processing mode to Errors or Background (your choice).
· Set variants to External from file.
· Click the Choose button and select the file to be uploaded.
· If uploading to another client, click the Remote execution button and select the RFC connection to the required client.
· If uploading to the current client, click the execute button.
Also, refer the links....
http://www.sap-img.com/sap-catt.htm
http://sap.ittoolbox.com/documents/popular-q-and-a/catt-procedure-1795
http://www.thespot4sap.com/Articles/CATT.asp
http://help.sap.com/printdocu/core/Print46c/en/data/pdf/BCCATTOL/BCCATTOL.pdf
http://help.sap.com/printdocu/core/Print46c/en/data/pdf/BCCATTOL/CACATTOL.pdf
Reward Points if this helps,

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Thank you.
Rich Green

hub or daisy-chain
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My nokia n 95 data transfer problems

hi guys i just got this n 95 a week ago and i am trying to transfer video files to my nokia phone
but when i connect it to usb and select "data transfer mode"
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Hi,
maybe format of video files you've copied to the device memory are not readable by phone. Did you convert it using Nokia Video Manager (part of Nokia PC Suite) on 3gp or mp4.
And if you connect phone with PC use PC Suite mode instead of the USB. You will have acces to all yours phone memories
Cheers
Message Edited by hieronim69 on 24-Jan-2009 03:39 PM
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I am going to purchase a new MacPro and would like to transfer all my files and apps from my early '08 iMac (OS 10.6.6) The problem is that I have to sell the iMac before I get the MacPro to have enough money. What's the best way to ensure I get all the files copied off.
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