![]() ![]() #SHOW INTERFACE ERRORS UPDATE#What else could be wrong here, my peak traffic usage on these switches around 10 to 20Gbps during peak Update Give it a try on your FortiGate now to see the output. To see interface statistics you can use this command with the following expansion: fnsysctl ifconfig to see the information you are looking for.To see what the switch negotiates for the auto setting, use theCLI show interfaces brief command or the 3.Port Status option under 1.Status and Counters in the menu interface. Port Giants SQETest-Err Deferred-Tx IntMacTx-Er IntMacRx-Er Symbol-Err For example, you can type fnsysctl ls and get a drill down of directories. Auto-MDIX (default): Senses speed and negotiates with the port at the other end of the link for port operation (MDI-X or MDI). ![]() Port Single-Col Multi-Col Late-Col Exces-Col Carri-Sen Runts In my opinion, a good network engineer must know the show interface in depth indeed, this command is useful to obtain various interface information like drop, duplex mismatch, error, tx/rx load, Usually, the IOS switch/router have similar show interface output the differences are dictated by devices, interface and IOS. When the list is filtered, its name, description, and administrative status are printed along with the chosen output. ![]() Port Align-Err FCS-Err Xmit-Err Rcv-Err UnderSize OutDiscards The show interface command also supports filtering of its output. I know CRC has direct connection with Layer 1 (cable, port etc.) but in my case how can be possible both switches and all 4 interface throwing CRC?Īfter clear counter # show interface e1/51-52 counters errors I have noticed recently that getting CRC error on cisco 3064 all 4 interface connected to N9K, and during peak traffic time getting more CRC error, these error are not very high also per minute i would say 1 or 2 error randomly popping up on those 4 interfaces. I have dual stack vPC setup between 4 cisco nexus switch as per above design. ![]()
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