Queues Per Policy Map; Restrictions And Limitations For Priority Queuing; Restrictions For Multi-Level Priority Queues - Cisco 10000 Series Configuration Manual

Chapter 8 Prioritizing Services
The router does not support the priority command on inbound interfaces.
Note

Queues per Policy Map

Table 8-1
Table 8-1
PRE
PRE2
PRE3

Restrictions and Limitations for Priority Queuing

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Restrictions for Multi-Level Priority Queues

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OL-7433-09
lists the number of queues per policy map supported on the PRE2 and PRE3.
Number of Queues per Policy Map
Queues Supported per Policy Map
31 class queues
1 priority level one queue
1 priority level two queue
12 class queues
1 default queue
Each policy map can have only one priority class.
You cannot configure the random-detect or bandwidth commands with a priority service.
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
Cisco 10000 Series Router Quality of Service Configuration Guide
Queues per Policy Map
8-5