Cisco Systems 12000/10700 V3.1.1 Limited Support for Engine 4, Creating a CAR Policy

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 pa cket)
– set-prec-transmit (rewrite packet precedence and send it)
– transmit (transmit packet)
If an attemp t is made to apply a CAR pol ic y to an en gine 2 module, th en th e re que st will b e ref used a nd
an appropriate er ror message is displaye d, if an attempt is made to use CAR function ality other than that
lis t ed ab ove .
On eng ine 0 an d 1 m odu les, t he f ull ran ge of C AR fu nctio ns is sup por ted.
Limited Support for Engine 4
The Engi ne-4 line card s (10 Por t Giga Ethe rn et an d 1 Port OC-1 92 PO S) have the following lim itat ions
for applying CAR policies.
1. It is not PIRC Suppor ted.
2. Tr affic direct ion i s r estr icte d to I nput O nly.
3. ACL can be onl y IP-Prec edence (ACL Index can have only 1-9 9).
4. Rate limi ted AC Ls can be only IP-Prec edence (AC L Index can have only 1-99).
5. Confirm-Action ca n be: Drop, Transmit and Set Pr ec. 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 f ollows:
Step 1 Choose Cisco 12000/10720 Manager>Configuration>Interface>QoS>CAR Policy Configuration
from a rele vant 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.