Filter
Top Products
2-953
Catalyst 6500 Series Switch Command Reference—Release 8.4
OL-6244-01
Chapter 2 Catalyst 6500 Series Switch and ROM Monitor Commands
show mac
show mac
To display MAC counters, use the show mac command.
show mac [utilization] [mod[/port]]
Syntax Description
Defaults This command has no default settings.
Command Types Switch command.
Command Modes Normal.
Usage Guidelines The utilization keyword is not supported on ATM ports.
If you do not specify a module number, all modules are shown. If you do not specify a port number, all
ports are shown.
The Out-Discards field displays the number of outbound packets chosen to be discarded even though no
errors had been detected to prevent being transmitted. For example, an outbound link is overwhelmed by
switch traffic. Packets dropped are the ones destined for that port, but the port could not accept those
packets due to XMT buffer overflow.
The Xmit-Packet-Rate, Xmit-Octet-Rate, Rcv-Packet-Rate, and Rcv-Octet-Rate fields display
approximated average utilization rates rather than exact values. The approximated average is based on the
previous approximation values, the last counter values read from hardware, the load time interval (fixed at
5 minutes), and the polling interval.
Examples This example shows how to display MAC information for port 4 on module 3:
Console> show mac 3/4
MAC Rcv-Frms Xmit-Frms Rcv-Multi Xmit-Multi Rcv-Broad Xmit-Broad
-------- ---------- ---------- ---------- ---------- ---------- ----------
3/4 0 0 0 0 0 0
MAC Dely-Exced MTU-Exced In-Discard Out-Discard
-------- ---------- ---------- ---------- -----------
3/4 0 0 0 0
MAC SMT-Address Curr-Path TReq TNeg TMax TVX
------- ----------------- ---------- -------- -------- -------- --------
3/4 00:06:7c:b3:bc:98 primary 165000 165000 165004 2509
00-60-3e-cd-3d-19
utilization (Optional) Displays approximated packet and byte rates.
mod/[/port] (Optional) Number of the module and optionally, the number of the port
on the module.