Reference Guide

Quality of Service (QoS) | 1241
Defaults
No default behavior or values
Command Modes
CONFIGURATION (conf-qos-policy-in)
Command
History
Usage
Information
C-Series and S-Series
Once the IP DSCP bit is set, other QoS services can then operate on the bit settings.
E-Series
Once the IP DSCP bit is set, other QoS services can then operate on the bit settings. WRED
(Weighted Random Early Detection) ensures that high-precedence traffic has lower loss rates
than other traffic during times of congestion.
show cam layer2-qos
e
Display the Layer 2 QoS CAM entries.
Syntax
show cam layer2-qos {[linecard number port-set number] | [interface interface]} [summary]
Parameters
Defaults
No default behavior or values
Version 8.3.19.0 Introduced on S4820T
Version 8.3.7.0 Introduced on S4810
Version 8.2.1.0 mac-dot1p available on the C-Series and S-Series
Version 7.6.1.0 Introduced on S-Series
Version 7.5.1.0 Introduced on C-Series
Version 7.4.1.0 E-Series Only: Expanded to add support for mac-dot1p
pre-Version 6.1.1.1 Introduced on E-Series
linecard number
Enter the keyword linecard followed by the line card slot number.
E-Series Range: 0 to 13 on a E1200, 0 to 6 on a E600/E600i, and 0 to
5 on a E300.
port-set number
Enter the keyword port-set followed by the line card’s port pipe.
Range: 0 or 1
interface interface Enter the keyword interface followed by one of the keywords below
and slot/port or number information:
• For a Fast Ethernet interface, enter the keyword
FastEthernet
followed by the slot/port information.
• For a Gigabit Ethernet interface, enter the keyword
GigabitEthernet followed by the slot/port information.
• For a SONET interface, enter the keyword
sonet followed by the
slot/port information.
• For a Ten Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet followed by the slot/port information.
summary
(OPTIONAL) Enter the keyword summary to display only the total
number of CAM entries.