Specifications

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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.3.0XO(15.1(1)XO)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
qos account layer-all encapsulation
qos account layer-all enca psulation
To account for Layer 1 heade r length of 20 bytes in QoS pol icing fea tures, use the qos account layer-all
encapsulation command. To disable the use of additional bytes, use the no form of this command.
qos account layer-all encapsulation
no qos account layer-all encapsulation
Syntax Description This command has no arguments or keywo rds.
Defaults Policers account only for the Layer 2 header length in policing features. In contrast, sh apers account for
header length as well as IPG in rate calculations.
Command Modes Global c onfiguratio n
Usage Guidelines S upervisor Engine 6-E, Supervisor Engi ne 6L-E, Catalyst 4900M, and Catalyst 4948E use the qos
account layer-all encapsulation command to account for La yer 1 head er of 20 bytes ( pre amble + IPG)
and Layer 2 header in policing features. When this command is configured, policer statistics ( in bytes )
observed in the output of the show policy-map interface command reflect the Layer 1 header length as
well ( 20 bytes per packet).
Examples This example shows how to shows how to include IPG in policing:
Switch)# config t
Switch(config)# qos account layer-all encapsulation
Switch(config)# end
Switch#
Related Commands Command Description
show policy-map interfac e Displays policer statistics on a specific interface.