Port Monitoring Display Keys - Extreme Networks Summit1 Installation And User Manual

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.
P
ORT
Table 12-2
any of the
Table 12-2: Port Monitoring Display Keys
Key(s)
U
D
[Esc] or [Return]
0
[Space]
S S I
UMMIT WITCH NSTALLATION AND
M D
ONITORING
describes the keys used to control the displays that appear when you issue
commands.
show port
Description
Displays the previous page of ports.
Displays the next page of ports.
Exits from the screen.
Clears all counters.
Cycles through the following screens:
Packets per second
Bytes per second
Percentage of bandwidth
Available using the show port
utilization command only.
U G
SER UIDE
K
ISPLAY EYS
P M D K
ORT ONITORING ISPLAY EYS
12-9