CLI Guide

Line Description
Last clearing... Displays the time when the show interfaces counters where cleared.
Queuing
strategy...
States the packet queuing strategy. FIFO means first in first out.
Input Statistics: Displays all the input statistics including:
● Number of packets and bytes into the interface
● Number of packets with VLAN tagged headers
● Packet size and the number of those packets inbound to the interface
● Number of Multicast and Broadcast packets:
○ Multicasts = number of MAC multicast packets
○ Broadcasts = number of MAC broadcast packets
● Number of runts, giants, and throttles packets:
○ runts = number of packets that are less than 64B
○ giants = packets that are greater than the MTU size
○
throttles = packets containing PAUSE frames
● Number of CRC, overrun, and discarded packets:
○ CRC = packets with CRC/FCS errors
○ overrun = number of packets discarded due to FIFO overrun conditions
○ discarded = the sum of runts, giants, CRC, and overrun packets discarded
without any processing
● Number of FEC bit errors and uncorrected code words:
○ FEC bit errors = Number of Forward Error Correction Bit errors occurred.
○ FEC uncorrected code words = Number of uncorrected Forward Error
Correction packets.
Output
Statistics:
Displays output statistics sent out of the interface including:
● Number of packets, bytes, and underruns out of the interface
● Packet size and the number of the packets outbound to the interface
● Number of Multicast, Broadcast, and Unicast packets:
○ Multicasts = number of MAC multicast packets
○ Broadcasts = number of MAC broadcast packets
○ Unicasts = number of MAC unicast packets
● Number of VLANs, throttles, discards, and collisions:
○ Vlans = number of VLAN tagged packets
○ throttles = packets containing PAUSE frames
○
discarded = number of packets discarded without any processing
○ collisions = number of packet collisions
○ wred=count both packets discarded in the MAC and in the hardware-based
queues
Rate
information...
Estimate of the input and output traffic rate over a designated interval (30 to 299
seconds). Traffic rate is displayed in bits, packets per second, and percent of line
rate.
Time since... Elapsed time since the last interface status change (hh:mm:ss format).
Example
Example
DellEMC# show interfaces
TenGigabitEthernet 1/1/1/1 is down, line protocol is down
Hardware is DellEMCEth, address is 00:a0:c9:00:00:0b
Current address is 00:a0:c9:00:00:0b
Pluggable media present, QSFP type is 40GBASE-CR4-1M
Interface index is 2097156
Internet address is not set
Mode of IPv4 Address Assignment : NONE
DHCP Client-ID :00a0c900000b
MTU 1554 bytes, IP MTU 1500 bytes
LineSpeed 10000 Mbit
Interfaces 693