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Brocade Adapters Troubleshooting Guide 8953-1002145-01Diagnostics 3VLAN statistics for a port (CNA and NIC)Use the BCU ethport command to display VLAN statistics for a specific port, such as transmit andreceive bytes, duration, and status.ethport --vlanquery where:pcifn Specifies the PCIFN function number related to the port.vlan_id Specifies the VLAN identifier. The range for the VLAN ID is 1 to 4094.DiagnosticsDiagnostics available through BCU commands and HCM evaluate the integrity of adapter hardwareand end-to-end connectivity in the fabric. All of these diagnostics can be used while the system isrunning.NOTEBe sure to disable the port before running any type of port diagnostics.NOTEIt is advisable to not perform other operations on the adapter while running HCM or BCU diagnostics.Beaconing (stand-up adapters)Initiate beaconing on a specific adapter port to flash the port LEDs and make it easier to locate theadapter in an equipment room.Initiate link beaconing to flash the LEDs on a specific adapter port and the LEDs on a connectedswitch port to verify the connection between adapter and switch. When you initiate link beaconing,commands are sent to the other side of the link. When the remote port receives these commands,that port’s LEDs flash. The remote port sends a command back to the originating port. When thatport receives this command, the port’s LEDs flash.NOTETo initiate link beaconing, this feature must be available on the connected switch.Toggle beaconing on and off and set beaconing duration using the BCU or HCM.Enabling beaconing through BCUUse the diag --beacon command to enable beaconing for a specific adapter port.diag --beacon | off>where:port_id ID of the port for which you want to enable beaconing. This could be thePWWN, port hardware path, or user-specified port name. This could also bethe adapter-index/port-index. For example, to specify adapter 1, port 1, youwould use 1/1 as the port identification.
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