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Monitoring the QoS Configuration of Fast Ethernet, Gigabit Ethernet, and 10-Gigabit Ethernet Interfaces

Purpose

Display information about the QoS configuration for a specific Fast Ethernet, Gigabit Ethernet, or 10-Gigabit Ethernet interface.

Action

To display the QoS configuration for a Fast Ethernet interface:

host1#show interfaces fastEthernet 6/0
GigEthernet6/0 is Up, Administrative status is Up
Hardware is Intel 21440, address is 0090.1a40.5508
MAU is 100BASE-TX
MTU: Operational 1522, Administrative 1522
Duplex Mode: Operational Full Duplex, Administrative Auto Negotiate
Speed: Operational 100 Mbps, Administrative Auto Negotiate
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
In: Bytes 0, Unicast 0
Multicast 0, Broadcast 0
Errors 0, Discards 0, Mac Errors 0, Alignment 0
CRC 0, Too Longs 0, Symbol Errors 0
Out: Bytes 64, Unicast 0
Multicast 0, Broadcast 1
Errors 0, Discards 0, Mac Errors 0, Deferred 0, No Carrier 0
Collisions: Single 0, Multiple 0, Late 0, Excessive 0
Administrative qos-shaping-mode: cell
Operational qos-shaping-mode: cell
Attached QoS profile: ss
To display the QoS configuration for a Gigabit Ethernet interface:
host1#show interfaces gigabitEthernet 2/0

To display the QoS configuration for a 10-Gigabit Ethernet interface:
host1#show interfaces tenGigabitEthernet 5/0/0

Meaning
 Table 1 lists the related show interfaces command output fields. 
Table 1: show interfaces
Output Fields
Field Name
Field Description
Administrative qos-shaping-mode
Configured shaping mode for the interface: 
  • disabled—Shaping mode is configured but disabled.
  • frame—Default shaping mode for shaping and policing
rates. Reports QoS statistics such as transmitted bytes and dropped
bytes based on bytes within frames.
  • cell—Shaping mode for shaping and policing rates
is cell-based; resulting traffic stream conforms exactly to the policing
rates configured in downstream devices. Reports statistics in bytes
within cells and also accounts for cell encapsulation and padding
overhead.
  • none—Shaping mode is not configured.
Operational qos-shaping-mode
Actual shaping mode for the interface. The router determines
the operational shaping mode based on the value configured using the qos-shaping-mode command. For more information, see QoS Shaping Mode for Ethernet Interfaces Overview.
  • disabled—Shaping mode is configured but disabled.
  • frame—Default shaping mode for shaping and policing
rates. Reports QoS statistics such as transmitted bytes and dropped
bytes based on bytes within frames.
  • cell—Shaping mode for shaping and policing rates
is cell-based; resulting traffic stream conforms exactly to the policing
rates configured in downstream devices. Reports statistics in bytes
within cells and also accounts for cell encapsulation and padding
overhead.
  • none—Shaping mode is not configured.
Attached QoS profile
QoS profile attachment at or below the displayed interface.
For example, if the interface being displayed is a VLAN subinterface,
and the attachment is at the Gigabit Ethernet interface, the Gigabit
Ethernet attachment is displayed. 
Published: 2010-01-12