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Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
Chapter 45 Configuring AVC with DNS-AS
Configuring AVC with DNS-AS
Policy Map Definitions in the Easy QoS Model
The following sample output displays the policy map definitions, with traffic attribute marking for all
the traffic classes in the 12-class Easy QoS Model:
policy-map MARKING
class VOICE
set dscp ef
class BROADCAST-VIDEO
set dscp cs5
class REAL-TIME-INTERACTIVE
set dscp cs4
class MULTIMEDIA-CONFERENCING
set dscp af41
class MULTIMEDIA-STREAMING
set dscp af31
class SIGNALING
set dscp cs3
class NETWORK-CONTROL
set dscp cs6
class NETWORK-MANAGEMENT
set dscp cs2
class TRANSACTIONAL-DATA
set dscp af21
class BULK-DATA
set dscp af11
class SCAVENGER
set dscp cs1
class class-default
set dscp default
App-Class and QoS Traffic Mapping
The following table shows how the app-class field in the metadata stream maps to the 12-class Easy QoS
Model of traffic classification:
Note The DNS-AS client applies default forwarding behavior in these cases:
• If the match attributes that you specify for the traffic class and business relevance do not match what
you have defined in the metadata stream.
• If the binding table entry is no longer active. This refers to the age of the entry. Use the show avc
dns-as client binding-table command to display the age of an entry
Table 45-1 app-class and QoS Traffic Mapping
app-class: <Long Text> app-class: <Short text>
Corresponding Traffic Class and Business
Relevance Label in the 12-Class Easy QoS
Model
app-class: VOIP-TELEPHONY app-class: VO Traffic-class = voip-telephony
Business-relevance = YES
app-class: BROADCAST-VIDEO app-class: BV Traffic-class = broadcast-video
Business-relevance = YES
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