Cisco WS-X6416-GE-MT - Interface Module - Expansion Instrukcja Użytkownika Pobierz pdf (Strona 39)

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Cisco Catalyst OS Cisco IOS Software

set qos policer aggregate ag1 rate

1000000 burst 32 drop

set qos acl ip ag_acl trust-dscp

aggregate ag1 any

set qos acl map ag_acl 3/5

access-list 101 permit ip any any

mls qos aggregate-policer ag1 10000000

4625 conform-action transmit exceed-

action drop

policy-map limit-named

class class-ag1 access-group 101

police aggregate ag1

interface fastethernet 3/5

service-policy input limit-named

Note: In the Cisco Catalyst OS, the rate is measured in Kbps and the burst is specified in Kb. In

Cisco IOS Software, the rate is measured in bps and the burst is specified in bytes. These

differences are true for all policer types.

Per-Interface Aggregate Policers are applied to an interface and traffic class, individually. These

policies can be applied to multiple interfaces, but the policer polices each interface separately. As

an example, use the Per Interface Aggregate policer when a 100-Mbps rate limit should be applied

individually to four different interfaces. These policers are only supported in Cisco IOS Software.

Cisco Catalyst OS Cisco IOS Software

No Catalyst OS equivalent access-list 101 permit ip any any

policy-map limit-interface

class class-ag1 access-group 101

police 10000000 4625 conform-action

transmit exceed-action drop

interface fastethernet 3/5

service-policy input limit-interface

Cisco IOS Software running on the Cisco Catalyst 6500 Series Supervisor Engine 2 and Cisco

Catalyst 6500 Series Supervisor Engine 720 supports per-port policing in a distributed forwarding

system (a system with one or more Distributed Forwarding Cards present). In a distributed system,

aggregate policing per-VLAN is not supported.

Microflow Policers

Enabling Microflow policing in Cisco IOS Software must be done globally on the switch. This is not

required in the Cisco Catalyst OS. The police flow command denotes the microflow policing

configuration for Cisco IOS Software. The rest of the configuration follows a syntax similar to

configuring a Per-Interface Aggregate Policer in Cisco IOS Software.

Cisco Catalyst OS Cisco IOS Software

set qos policer microflow mf1 rate

1000000 burst 32 drop

set qos acl ip mf_acl trust-dscp

microflow mf1 any

commit qos acl mf_acl

set qos acl map mf_acl 3/5

mls qos flow-policing

access-list 101 permit ip any any

Policy-map limit-flow

class limit-flow access-group 101

police flow 200 15 confirm-action

transmit exceed-action drop

interface fastethernet 3/5

service-policy input limit-flow

Similar functionality can be achieved in the Cisco Catalyst OS, but it requires configuring a unique policer for

each interface in question. The Cisco IOS Software implementation of per-interface policers requires that the

policer is defined only once, but applied separately.

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