Cisco 10000 Series User Manual

8-5
Cisco 10000 Series Router Quality of Service Configuration Guide
OL-7433-09
Chapter 8 Prioritizing Services
Queues per Policy Map
Note The router does not support the priority command on inbound interfaces.
Queues per Policy Map
Table 8-1 lists the number of queues per policy map supported on the PRE2 and PRE3.
Restrictions and Limitations for Priority Queuing
• Each policy map can have only one priority class.
• You cannot configure the random-detect or bandwidth commands with a priority service.
Restrictions for Multi-Level Priority Queues
• You cannot configure both the priority command and the priority level command for two different
classes in the same policy map.
• You cannot specify the same priority level for two different classes in the same policy map.
• You cannot configure the default queue as a priority queue at any level. For example, the router
rejects the following configuration:
policy-map P1
class class-default
priority level 1
• You cannot configure the bandwidth command and multi-level priority queuing on the same class.
For example, the router rejects the following configuration:
policy-map P1
class C1
priority level 1
bandwidth 200
• You cannot configure the shape command and multi-level priority queuing on the same class. For
example, the router rejects the following configuration:
policy-map P1
class C1
priority level 1
shape average 56000
Ta b l e 8-1 Number of Queues per Policy Map
PRE Queues Supported per Policy Map
PRE2 31 class queues
PRE3 1 priority level one queue
1 priority level two queue
12 class queues
1 default queue

Cisco 10000 Series Specifications

General

Brand	Cisco
Model	10000 Series
Category	Network Router
Language	English