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Limited support for engine 4, Creating a car policy – Cisco 12000/10700 V3.1.1 User Manual

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11-7

Cisco 12000/10700 v3.1.1 Router Manager User Guide

OL-4455-01

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 11-2

for

information on which objects allow you to launch the CAR Policy Configuration window.