Reference Guide

1260 | Quality of Service (QoS)
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Parameters
Defaults
No default behavior or values
Command Modes
EXEC
EXEC Privilege
Command
History
Usage
Information
EtherScale systems display cumulative dropped packets, while TeraScale systems display
cumulative queued bytes (in KB), cumulative queued packets (in KB), and cumulative
dropped packets (in KB).
The display area is limited to 80 spaces to accommodate the screen and for optimal
readability. Numbers, that is values, are limited to 12 characters. The numbering conventions
are detailed in the table below.
Table 42-10. Numbering Conventions for show queue egress statistics Output
Example
(TeraScale)
FTOS#show queue statistics egress unicast gigabitethernet 9/1
Interface Gi 9/1
unicast | multicast (OPTIONAL) Enter the keyword multicast to display only Multicast
queue statistics. Enter the keyword
unicast to display only Unicast
queue statistics.
Default: Both Unicast and Multicast queue statistics are displayed.
Interface
(OPTIONAL) Enter one of the following interfaces to display the
interface specific queue statistics.
• For a 1-Gigabit Ethernet interface, enter the keyword
GigabitEthernet followed by the slot/port information.
• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet followed by the slot/port information.
• For a SONET interface, enter the keyword
sonet followed by the
slot/port information.
• Fast Ethernet is not supported.
brief
(OPTIONAL) Enter the keyword brief to display only ingress per
link buffering and egress per port buffering statistics.
Version 6.2.1.1 Introduced for E-Series
Value Divide the number by Quotient Display Examples
(10^11) - (10^14) 1024 K 12345678901K
(10^14) - (10^17) 1024*1024 M 12345678901M
> (10^17) 1024*1024*1024 T 12345678901T
Note: The show queue statistics command displays Queued Packets and Queued
Bytes. The show qos statistics command displays Matched Packets and Matched
Bytes. The following example explains how these two outputs relate to each other.
• 9000 byte size packets are sent from Interface A to Interface B.
• The Matched Packets on Interface A are equal to the Queued Packets on Interface B.
• Matched bytes on Interface A = matched packets *9000
• Queued bytes on Interface B = queued packets *(9020)—Each packet has an additional
header of 20 bytes.