Reference Guide

1208 | Quality of Service (QoS)
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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
Command Modes
EXEC
Command
History
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.
Version 7.4.1.0 Introduced on E-Series