DTE / DCE cable?

DTE / DCE cable?
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Subject Author Date
DTE / DCE cable? Speedy 06-08-2007
Posted by Speedy on June 8, 2007, 3:24 pm
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Hi All,
I just took delivery of a 3640 router with 4 port serial card, and 2 cables
to connect to the serial ports of my 2 Cisco 1600r routers. The cables have
DTE and DCE on either end, does it matter which end goes into the different
routers? Planning to set them up as end points with the 3640 as a frame
relay router.

TIA

JV


Pure Networks
Posted by Fred Atkinson on June 8, 2007, 4:17 pm
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>Hi All,
>I just took delivery of a 3640 router with 4 port serial card, and 2 cables
>to connect to the serial ports of my 2 Cisco 1600r routers. The cables have
>DTE and DCE on either end, does it matter which end goes into the different
>routers? Planning to set them up as end points with the 3640 as a frame
>relay router.
>
>TIA
>
>JV

        It doesn't and it does.

        By doesn't, you can put the DCE to one router and the DTE to
another router. As long as you are connecting it to a serial port,
you're good to go.

        But you have to set the clock on the serial interface of the
router that the DCE end is connected to. Not necessary on the DTE
end.

        Regards,



                                                Fred

Posted by John Garrison on June 9, 2007, 3:11 pm
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Yes it does matter. The DCE goes to your 3640(hub) the DTE goest to your
other routers(spokes). You'll have to enable frame-relay switchging on the
3640. I would suggest going to cisco.com and do a search on frame-relay
switching. You be able to get to an example of wthe config you'll need.
Also don't forget if your using OSPF on your spokes you may need to do some
exztra configuration to get hellos going between the spokes. The same goes
for RIP and split horizon and inverse ARP.
> Hi All,
> I just took delivery of a 3640 router with 4 port serial card, and 2
> cables to connect to the serial ports of my 2 Cisco 1600r routers. The
> cables have DTE and DCE on either end, does it matter which end goes into
> the different routers? Planning to set them up as end points with the 3640
> as a frame relay router.
>
> TIA
>
> JV



Posted by John Garrison on June 9, 2007, 3:21 pm
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http://www.cisco.com/warp/public/125/fr_switching.pdf here ya go
> Hi All,
> I just took delivery of a 3640 router with 4 port serial card, and 2
> cables to connect to the serial ports of my 2 Cisco 1600r routers. The
> cables have DTE and DCE on either end, does it matter which end goes into
> the different routers? Planning to set them up as end points with the 3640
> as a frame relay router.
>
> TIA
>
> JV



Posted by Speedy on June 10, 2007, 5:42 pm
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Thanks for the info chaps, I worked through the example in the document, and
have got it working now.

Nice one.
JV
> http://www.cisco.com/warp/public/125/fr_switching.pdf here ya go
>> Hi All,
>> I just took delivery of a 3640 router with 4 port serial card, and 2
>> cables to connect to the serial ports of my 2 Cisco 1600r routers. The
>> cables have DTE and DCE on either end, does it matter which end goes into
>> the different routers? Planning to set them up as end points with the
>> 3640 as a frame relay router.
>>
>> TIA
>>
>> JV
>
>


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