Implementing MPLS QoS for Layer 2 VPN Implementations

Table of contents:

Command Reference

Command

Description

Router(config)# class-map {match-all | match-any} name

Configures a class map to associate class of traffic

Router(config-cmap)# match any

Associates any packet into this class

Router(config-cmap)# match [not] access-group {Access-list-number | Name Access-list-name}

Associates packets defined by predefined access list into traffic class

Router(config-cmap)# match [not] cos cos-value-1 [cos-value-2] [cos-value-3] [cos-value-4]

Associates packets with certain CoS value into traffic class

Router(config-cmap)# match [not] atm clp

Associates packets by ATM CLP

Router(config-cmap)# match [not] dscp dscp-value-1 [dscp-value-2] [dscp-value-3] [dscp-value-4]

Associates packets with certain DSCP value(s) to traffic class

Router(config-cmap)# match [not] ip {dscp | precedence} {dscp-value-1 | IP-precedence-value-1} [dscp-value-2 | IP-precedence-value-2] [dscp-value-3 | IP-precedence-value-3] [dscp-value-4 | IP-precedence-value-4]

Associates packets with certain IP Precedence or DSCP value to traffic class

Router(config-cmap)# match [not] mpls experimental MPLS-exp-value-1 [MPLS-exp-value-2] [MPLS-exp-value-3] [MPLS-exp-value-4] [MPLS-exp-value-5] [MPLS-exp-value-6] [MPLS-exp-value-7] [MPLS-exp-value-8]

Matches packets with specific MPLS EXP value to traffic class

Router(config-cmap)# match [not] protocol protocol-identifier-name

Matches packets based on protocol ID

Router(config-cmap)# match [not] qos-group qos-group-value

Matches packets based on locally defined QoS group values

Router(config-cmap)# match [not] vlan vlan-id

Matches packets based on VLAN ID values in L2 header

Router(config)policy-map policy-map-name

Configures QOS policy

Router(config-pmap)# class class-map-name

Configures per-class PHB under policy map

Router(config-pmap-c)# bandwidth {bandwidth-in-kbps | percent percentage-of-total-bandwidth | remaining percentage-of-remaining-bandwidth}

Configures the bandwidth allocation per class

Router(config-pmap-c)# priority

Identifies the class to be treated with LLQ

Router(config-pmap-c)# set {dscp dscp-value | IP dscp dscp-value | IP precedence precedence-value | precedence precedence-value | atm-clp | cos cos-value | discard-class discard-class-value | fr-de | qos-group qos-group-value | MPLS experimental {exp-value | imposition exp-value | topmost exp-value}}

Configures the PHB marking parameters for DSCP and IP Precedence per class under policy-map configuration

Router(config-pmap-c)# random-detect {prec-based | dscp-based}

Router(config-pmap-c)# random-detect precedence precedence-value min-threshold [cells | milliseconds | packets | microseconds] max-threshold [cells | milliseconds | packets | microseconds] mark-probability-denominator

Router(config-pmap-c)# random-detect dscp dscp-value min-threshold [cells | milliseconds | packets | microseconds] max-threshold [cells | milliseconds | packets | microseconds] mark-probability-denominator

Configures WRED under each class (either Precedence based or DSCP based) for congestion avoidance

Router(config-pmap-c)# police {cir cir} [bc conform-burst] {pir pir} [be peak-burst] [conform-action action [exceed-action action [violate-action action]]]

OR

Router(config-pmap-c)# police bps [burst-normal] [burst-max] conform-action action exceed-action action [violate-action action]

OR

Router(config-pmap-c)# police cir percent percent [bc conform-burst-in-msec] [pir percent percent] [be peak-burst-in-msec]

Configures policing per class under policy-map configuration

Where action = {drop | set-clp-transmit | set-discard-class-transmit discard-class-value | set-dscp-transmit dscp-value| set-frde-transmit | set-mpls-exp-imposition-transmit mpls-exp-value | set-mpls-exp-topmost-transmit mpls-exp-value | set-prec-transmit precedence-value| set-qos-transmit qos-group-value | transmit}

Router(config-pmap-c)# shape {average | peak} cir [bc] [be]

OR

Router(config-pmap-c)# shape {average | peak} percent percent [bc] [be]

OR

Router(config-pmap-c)# shape [average | peak] mean-rate [[burst-size] [excess-burst-size]]

Configures shaping per class under policy-map configuration

Router(config)# interface interface-type number

Router(config-if)# service-policy {in | out } policy-map-name

Associates the policy map with an interface, either ingress or egress


MPLS Overview

Basic MPLS Configuration

Basic MPLS VPN Overview and Configuration

PE-CE Routing Protocol-Static and RIP

PE-CE Routing Protocol-OSPF and EIGRP

Implementing BGP in MPLS VPNs

Inter-Provider VPNs

Carrier Supporting Carriers

MPLS Traffic Engineering

Implementing VPNs with Layer 2 Tunneling Protocol Version 3

Any Transport over MPLS (AToM)

Virtual Private LAN Service (VPLS)

Implementing Quality of Service in MPLS Networks

MPLS Features and Case Studies



MPLS Configuration on Cisco IOS Software
MPLS Configuration on Cisco IOS Software
ISBN: 1587051990
EAN: 2147483647
Year: 2006
Pages: 130

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