Cisco Systems 12000/10700 V3.1.1 manual Limited Support for Engine, Creating a CAR Policy, 11-7

Chapter 11 Layer 3 QoS

CAR Policy Configuration

•Available exceed-actions are:

–drop (drop packet)

–set-prec-transmit (rewrite packet precedence and send it)

–transmit (transmit packet)

If an attempt is made to apply a CAR policy to an engine 2 module, then the request will be refused and an appropriate error message is displayed, if an attempt is made to use CAR functionality other than that listed above.

On engine 0 and 1 modules, the full range of CAR functions is supported.

Limited Support for Engine 4

The Engine-4 line cards (10 Port GigaEthernet and 1 Port OC-192 POS) have the following limitations for applying CAR policies.

1.It is not PIRC Supported.

2.Traffic direction is restricted to Input Only.

3.ACL can be only IP-Precedence (ACL Index can have only 1-99).

4.Rate limited ACLs can be only IP-Precedence (ACL Index can have only 1-99).

5.Confirm-Action can be: Drop, Transmit and Set Prec. to X transmit.

6.Exceed-Action can be: Drop, Transmit and Set Prec. to Y transmit.

Creating a CAR Policy

To create a CAR policy, proceed as follows:

Step 1 Choose Cisco 12000/10720 Manager>Configuration>Interface>QoS>CAR Policy Configuration from a relevant object to launch the CAR Policy Configuration window. See Table 11-1 on page 11-2for information on which objects allow you to launch the CAR Policy Configuration window.

Cisco 12000/10700 v3.1.1 Router Manager User Guide

OL-4455-01 11-7