Stacking 
171
 M4300 Series and M4300-96X Fully Managed Switches User Manual
Run Stack Port Diagnostics
 To run stack port diagnostics: 
1.  Launch a web browser.
2.  In the address field of your web browser, enter the IP address of the switch.
The login window opens.
3.  Enter the user name and password. 
The default admin user name is 
admin and the default admin password is blank, that is, 
do not enter a password.
4.  Click the Login button. 
The System Information page displays.
5.  Select System > Stacking > 
Advanced > Stack Port Diagnostics. 
Link Speed (Gbps) The maximum speed of the stacking port.
Transmit Data Rate (Mbps) The approximate transmit rate on the stacking port.
Transmit Error Rate The number of errors in transmit packets per second.
Total Transmit Errors The total number of errors in transmit packets since boot. The counter might 
wrap.
 Receive Data Rate (Mbps) The approximate receive rate on the stacking port.
Receive Error Rate The number of errors in receive packets per second.
Total Receive Errors The total number of errors in receive packets since boot. The counter might 
wrap.
Link Flaps The total number of link flaps.
Table 60.  Stack Port Configuration (continued)
Field Description