Lots of %RTD-1-ADDR_FLAP: error msg

[thermoset]

I have a couple of different switches that the logs fill with:

Mar 30 13:21:58 EST: %RTD-1-ADDR_FLAP: FastEthernet0/23 relearning 6 addrs per min

Mar 30 13:47:38 EST: %RTD-1-ADDR_FLAP: FastEthernet0/2 relearning 5 addrs per min

Mar 30 14:29:08 EST: %RTD-1-ADDR_FLAP: FastEthernet0/1 relearning 5 addrs per min

Mar 30 14:36:58 EST: %RTD-1-ADDR_FLAP: FastEthernet0/1 relearning 5 addrs per min

Mar 30 16:23:28 EST: %RTD-1-ADDR_FLAP: FastEthernet0/5 relearning 5 addrs per min

Mar 30 16:24:28 EST: %RTD-1-ADDR_FLAP: FastEthernet0/1 relearning 22 addrs per min

Mar 30 16:25:28 EST: %RTD-1-ADDR_FLAP: FastEthernet0/1 relearning 9 addrs per min

Mar 30 16:26:28 EST: %RTD-1-ADDR_FLAP: FastEthernet0/1 relearning 7 addrs per min

Mar 30 16:27:28 EST: %RTD-1-ADDR_FLAP: FastEthernet0/1 relearning 17 addrs per min

Mar 30 16:28:28 EST: %RTD-1-ADDR_FLAP: FastEthernet0/1 relearning 11 addrs per min

Mar 30 16:33:28 EST: %RTD-1-ADDR_FLAP: FastEthernet0/2 relearning 6 addrs per min

Mar 30 16:34:28 EST: %RTD-1-ADDR_FLAP: FastEthernet0/2 relearning 7 addrs per min

Mar 30 16:38:28 EST: %RTD-1-ADDR_FLAP: FastEthernet0/1 relearning 7 addrs per min

Mar 30 16:43:28 EST: %RTD-1-ADDR_FLAP: FastEthernet0/2 relearning 7 addrs per min

Mar 30 16:48:28 EST: %RTD-1-ADDR_FLAP: FastEthernet0/1 relearning 7 addrs per min

What is this cause of this error and how do I trouble shoot and resolve it?

[thisisshanky]

Check this link

http://www.cisco.com/en/US/tech/tk648/tk362/technologies_tech_note09186a0080094afd.shtml