Specifications

302 ExtremeWare XOS 10.1 Command Reference Guide
Commands for Status Monitoring and Statistics
show ports rxerrors
show ports {<port_list>} rxerrors
Description
Displays real-time receive error statistics.
Syntax Description
Default
N/A.
Usage Guidelines
If you do not specify a port number or range of ports, receive error statistics are displayed for all ports.
This status information may be useful for your technical support representative if you have a network
problem.
The switch collects the following port receive error information:
• Port Number
• Link Status—The current status of the link. Options are:
— Ready (R): The port is ready to accept a link.
— Active (A): The link is present at this port.
• Receive Bad CRC Frames (RX CRC)—The total number of frames received by the port that were of
the correct length, but contained a bad FCS value.
• Receive Oversize Frames (RX Over)—The total number of good frames received by the port greater
than the supported maximum length of 1,522 bytes.
• Receive Undersize Frames (RX Under)—The total number of frames received by the port that were
less than 64 bytes long.
• Receive Fragmented Frames (RX Frag)—The total number of frames received by the port were of
incorrect length and contained a bad FCS value.
• Receive Jabber Frames (RX Jabber)—The total number of frames received by the port that was of
greater than the support maximum length and had a Cyclic Redundancy Check (CRC) error.
• Receive Alignment Errors (RX Align)—The total number of frames received by the port that occurs if
a frame has a CRC error and does not contain an integral number of octets.
• Receive Frames Lost (RX Lost)—The total number of frames received by the port that were lost
because of buffer overflow in the switch.
port_list Specifies one or more slots and ports. May be in the form 2:*, 2:5, 2:6-2:8.