WebFeb 4, 2009 · The interface is put into the errdisabled state if it flaps more than five times in 10 seconds. http://www.cisco.com/en/US/tech/tk389/tk621/technologies_tech_note09186a00806cd87b.shtml best regards Sebastian View solution in original post 10 Helpful Share Reply 2 Replies … You can determine if your port has been error disabled if you issue the show interfacescommand. Here is an example of an active port: Here is an example of the same port in the error disabled state: Note: When a port is error disabled, the LED on the front panel that is associated with the port is set to the … See more If the configuration shows a port to be enabled, but software on the switch detects an error situation on the port, the software shuts down … See more When the switch puts a port in the error-disabled state, the switch sends a message to the console that describes why it disabled the port. The example in this section provides … See more This feature was first implemented in order to handle special collision situations in which the switch detected excessive or late collisions on a port. Excessive collisions occur when … See more This section provides examples of how you can encounter an error-disabled port and how to fix it, as well as a brief discussion of a few … See more
Troubleshooting Switch Port and Interface Problems - Cisco
WebDec 8, 2010 · A device can loop the packets back to the source interface, which usually occurs because there is a logical loop in the network that the spanning tree has not blocked. The source interface receives the keepalive packet that it sent out, and the switch disables the interface (errdisable). WebJul 28, 2024 · Port or Interface Status is Disable or Shutdown Port or Interface Status is errDisable Port or Interface Status is Inactive Uplink Port or Interface Status is Inactive … porsche taycan turbo s problems
Solved: BPDU guard - err-disabled port - Cisco Community
WebMar 27, 2024 · When an interface is in the err-disabled state, use the errdisable detect cause command to find information about the error. You can configure the automatic error-disabled recovery timeout for a particular error-disabled cause … WebMay 20, 2010 · Dear Sir, I have config. new cisco 2960 se Swtich on our LAN that is connected with another cisco switch with trunk with crass cable. backbone link is down frequtly since i have installed it on network follwing Eror has shown in log May 20 15:03:17.223 India: %ETHCNTR-3-LOOP_BACK_DETECTED: Loop-... porsche taycan turbo s prezzo