[cisco-nas] Telling Actual speed on a Serial Link

Dennis Peng dpeng at cisco.com
Wed Jul 23 10:02:52 EDT 2003


Some serial interfaces (specifically ones using the Mueslix chipset)
can detect the receive clockrate. In "show controller" you would see
something like this:

M1T-T3 pa: show controller:
PAS unit 0, subunit 0, f/w version 3-92, rev ID 0x2800001, version 3
idb = 0x63BB92CC, ds = 0x63BBAA8C, ssb=0x63BBADC0
Clock mux=0x30, ucmd_ctrl=0x0, port_status=0x0
Serial config=0x8, line config=0x1B0202
maxdgram=4584, bufpool=128Kb, 256 particles

   rxLOS inactive, rxLOF inactive, rxAIS inactive
   txAIS active, rxRAI inactive, txRAI inactive
line state: down
cable type : T3  cable, received clockrate 44201430
                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^

Dennis

Kevin Gannon [kgannon at lancomms.ie] wrote:
> Is there some way to see from a show controller serial x/y what speed the
> link is running at or being clocked at. In otherwords to verify what the
> telco has provisioned the link for ?
> 
> Regards,
> Kevin
> 
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