PORT MONITORING DISPLAY KEYS
The following port receive error information is collected by the switch:
•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 that were of 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 Jabber Frames (RX Jab) — 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 MONITORING DISPLAY KEYS
Table
Table 12-2: Port Monitoring Display Keys
Key(s) | Description | |
|
| |
U | Displays the previous page of ports. | |
D | Displays the next page of ports. | |
[Esc] or [Return] | Exits from the screen. | |
0 | Clears all counters. | |
[Space] | Cycles through the following screens: | |
| ■ | Packets per second |
| ■ | Bytes per second |
| ■ | Percentage of bandwidth |
Available using the show port utilization command only.
SUMMIT SWITCH INSTALLATION AND USER GUIDE |
