Setting the DCE at the FrameRelay level is not sufficient.
The only way to set the clock rate is to connect the router using a DCE cable. I suspect your serial port is not connected to a DCE cable. To find out, do a "show contr serial" command for the specific serial port as follow:
Router#sh contr serial 0
HD unit 0, idb = 0x1FFA74, driver structure at 0x207598
buffer size 1524 HD unit 1, V.35 DTE cable <+++++++
cpb = 0xE5, eda = 0xA83C, cda = 0xA850
This will tell you whether the serial interface is connected with the proper cable.
Hope this helps,
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I assume you have a FR switch (another cisco router configured as one). Since your end is giving error message that clock rate is applicable only on DCE interfaces, the cable end on the hub side is DTE. So the other end of the cable should be DCE (which is the FR switch). You can go into this router's serial interface connecting to the hub router and specify the clock rate 125000 there instead of recabling.
Otherwise you can recable by swapping the cable ends of the existing connection between hub router and FR switch.
OMG man, I cannot believe it was that...Yeah see the 2503 was teh frame switching router with a 2501 off each serial. So yes, I had the cable reversed..I moved the DCE end back to the 2503 and VOILA! both links came up and now Im discovering routes viz eigrp...
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