Administrator Guide

Monitoring and Maintaining Interfaces
Monitor interface statistics with the monitor interface command. This command displays an ongoing list
of the interface status (up/down), number of packets, traffic statistics, and so on.
To view the interface’s statistics, use the following command.
• View the interface’s statistics.
EXEC Privilege mode
monitor interface interface
Enter the type of interface and slot/port information:
• For a 100/1000/10000 Ethernet interface, enter the keyword TenGigabitEthernet then the slot/
port information.
• For a 10-Gigabit Ethernet interface, enter the keyword TenGigabitEthernet then the slot/port
information.
• For a 40-Gigabit Ethernet interface, enter the keyword fortyGigE then the slot/port information.
Example of the monitor interface Command
The information displays in a continuous run, refreshing every 2 seconds by default. To manage the output,
use the following keys.
• m — Change mode
• l — Page up
• T — Increase refresh interval (by 1 second)
• t — Decrease refresh interval (by 1 second)
• c — Clear screen
• a — Page down
• q — Quit
Dell#monitor interface tengig 3/1
Dell Networking uptime is 1 day(s), 4 hour(s), 31 minute(s)
Monitor time: 00:00:00 Refresh Intvl.: 2s
Interface: TenGig 3/1, Disabled, Link is Down, Linespeed is 1000 Mbit
Traffic statistics: Current Rate Delta
Input bytes: 0 0 Bps 0
Output bytes: 0 0 Bps 0
Input packets: 0 0 pps 0
Output packets: 0 0 pps 0
64B packets: 0 0 pps 0
Over 64B packets: 0 0 pps 0
Over 127B packets: 0 0 pps 0
Over 255B packets: 0 0 pps 0
Over 511B packets: 0 0 pps 0
Over 1023B packets: 0 0 pps 0
Error statistics:
Input underruns: 0 0 pps 0
Input giants: 0 0 pps 0
Input throttles: 0 0 pps 0
Interfaces 431