Extreme Networks PoS Guia do Utilizador

Extreme Networks, Inc.3585 Monroe StreetSanta Clara, California 95051(888) 257-3000http://www.extremenetworks.com Packet Over SONET Module Installatio

x Figures

3-52 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module The drop probability is specified as a percentage, where the perce

Packet Over SONET Module Installation and User Guide 3-53Configuring QoS Functions Figure 3-8: Comparisons of RED and WRED operationPoS_010Packetdropp

3-54 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Enabling and Disabling RED PortsThe existing ExtremeWare commands

Packet Over SONET Module Installation and User Guide 3-55Configuring QoS Functions By default, the minimum threshold for SONET ports is 10%, or 100 bu

3-56 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module In addition, a network element that complies with the DiffServ sta

Packet Over SONET Module Installation and User Guide 3-57Configuring QoS Functions The DSCPs associated with a PHB are assigned to the appropriate QoS

3-58 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module config diffserv examination code-point 14 qosprofile qp4ports 2:1-

Packet Over SONET Module Installation and User Guide 3-59Configuring QoS Functions Displaying RED Configuration Information for PoS Module PortsWhile

3-60 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Configuring and Monitoring Flow StatisticsEach PoS port can mainta

Packet Over SONET Module Installation and User Guide 3-61Configuring and Monitoring Flow Statistics Flow records are grouped together into UDP datagra

Ta bl es xiTables1 Notice Icons xiv2 Text Conventions xv2-1 PoS Module and Port LEDs 2-123-1 SONET Parameters and Values 3-53-2 SONET Port Commands 3-

3-62 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module The IP addresses (or hostnames) and UDP port numbers of the availa

Packet Over SONET Module Installation and User Guide 3-63Configuring and Monitoring Flow Statistics Figure 3-10: NetFlow Collection Architecture Examp

3-64 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module components of a forwarded flow with the associated masks from the

Packet Over SONET Module Installation and User Guide 3-65Configuring and Monitoring Flow Statistics Commands for Configuring and Monitoring Flow Stati

3-66 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Enabling and Disabling Flow StatisticsTo enable the flow statistic

Packet Over SONET Module Installation and User Guide 3-67Configuring and Monitoring Flow Statistics To configure the export groups and flow-collector

3-68 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Configuring Flow Record TimeoutFlow records are exported on an age

Packet Over SONET Module Installation and User Guide 3-69Configuring and Monitoring Flow Statistics export <group#> To specify a particular expo

3-70 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module The following command example configures a filter to collect stati

Packet Over SONET Module Installation and User Guide 3-71Configuring and Monitoring Flow Statistics Enabling and Disabling a Flow Record FilterTo enab

xii Tabl esA-2 Summary of Commands with Enhanced Syntax A-5A-3 Summary of Commands with Augmented Implementation A-6A-4 Summary of Commands Not Suppor

3-72 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Enabling and Disabling Flow Statistics Ping-CheckTo enable the flo

Packet Over SONET Module Installation and User Guide 3-73Configuring and Monitoring Flow Statistics The following command example resets the flow stat

3-74 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module The detailed status display for an export group includes the summa

Packet Over SONET Module Installation and User Guide 3-75Configuring and Monitoring APS Functions Configuring and Monitoring APS FunctionsAutomatic Pr

3-76 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module the interface. Consequently, the BlackDiamond 6800 series switch s

Packet Over SONET Module Installation and User Guide 3-77Configuring and Monitoring APS Functions Conversely, in nonrevertive mode, when traffic is ac

3-78 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Figure 3-13: Virtual APS router configurationPoS_013BlackDiamond 1

Packet Over SONET Module Installation and User Guide 3-79Configuring and Monitoring APS Functions Figure 3-14: Logical PPP connectivity to virtual APS

3-80 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module out-of-band Ethernet connection. All APS-related Ethernet communic

Packet Over SONET Module Installation and User Guide 3-81Configuring and Monitoring APS Functions Based on the K1 and K2 definitions, Table 3-15 shows

Packet Over SONET Module Installation and User Guide xiii PrefaceThis Preface provides an overview of this guide, describes guide conventions, and lis

3-82 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module APS BenefitsIn this section, we examine the benefits provided by A

Packet Over SONET Module Installation and User Guide 3-83Configuring and Monitoring APS Functions Figure 3-17: Redundant switch configuration with APS

3-84 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Figure 3-18 shows an APS configuration that provides faster networ

Packet Over SONET Module Installation and User Guide 3-85Configuring and Monitoring APS Functions As mentioned earlier, APS can also be applied to the

3-86 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Commands for Configuring and Monitoring APSTable 3-16 lists the Ex

Packet Over SONET Module Installation and User Guide 3-87Configuring and Monitoring APS Functions Enabling and Disabling APSTo enable the APS function

3-88 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Adding a Port to an APS GroupTo add a SONET port to an APS group,

Packet Over SONET Module Installation and User Guide 3-89Configuring and Monitoring APS Functions Deleting a Port from an APS GroupTo delete a SONET p

3-90 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Configuring Nonrevertive or Revertive ModeYou can configure the AP

Packet Over SONET Module Installation and User Guide 3-91Configuring and Monitoring APS Functions Configuring APS TimersTo set the values of the timer

xiv Packet Over SONET Module Installation and User Guide TerminologyWhen features, functionality, or operation is specific to one of the PoS modules,

3-92 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Configuring APS LockoutYou can specify that an APS group operates

Packet Over SONET Module Installation and User Guide 3-93Configuring and Monitoring APS Functions The working keyword forces the specified APS group t

3-94 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module A manual switch is a lower priority request than a forced switch.

Packet Over SONET Module Installation and User Guide 3-95Configuring and Monitoring APS Functions Displaying APS Group Status InformationTo display AP

3-96 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Detailed management counters reported for each protection-line por

Packet Over SONET Module Installation and User Guide 3-97Configuring Port Tunneling Configuring Port TunnelingPort tunneling can be used to encapsulat

3-98 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Figure 3-20: Port tunneling via a PPP linkWhen you configure a PoS

Packet Over SONET Module Installation and User Guide 3-99Configuring Port Tunneling config ppp ipcp off port 1:4config ppp bcp off port 1:4create vlan

3-100 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Configuring the MPLS tls-TunnelThe following configuration comman

Packet Over SONET Module Installation and User Guide 3-101Additional PoS Module Support Topics Additional PoS Module Support TopicsThis section descri

Packet Over SONET Module Installation and User Guide xvRelated Publications Related PublicationsThe publications related to this one are:• ExtremeWare

3-102 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Configuring Port AttributesThe following ExtremeWare port command

Packet Over SONET Module Installation and User Guide 3-103Additional PoS Module Support Topics Table 3-18: Changes to Port CommandsCommand Description

3-104 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Jumbo Frame SupportThe Extreme Networks implementation of PPP sup

Packet Over SONET Module Installation and User Guide 3-105Additional PoS Module Support Topics Consider these factors when configuring jumbo frame sup

3-106 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Configuring Access List AttributesFor more information on the Ext

Packet Over SONET Module Installation and User Guide A-1 AExtremeWare Command Compatibility Information Related to the PoS ModuleThis appendix summari

A-2 Packet Over SONET Module Installation and User Guide New ExtremeWare CommandsTable A-1 lists the new ExtremeWare commands that have been added to

Packet Over SONET Module Installation and User Guide A-3New Commands config flowstats filter <filter#> {aggregation} {export <group#>} por

A-4 Packet Over SONET Module Installation and User Guide config sonet threshold signal degrade <error_rate> ports <portlist>Configures the

Packet Over SONET Module Installation and User Guide A-5Changed Commands Changed CommandsChanges to existing ExtremeWare commands fall into two catego

xvi Packet Over SONET Module Installation and User Guide

A-6 Packet Over SONET Module Installation and User Guide Table A-3 is an alphabetical list of the existing ExtremeWare commands whose implementation h

Packet Over SONET Module Installation and User Guide A-7Changed Commands disable ports <portlist> For PoS modules, this command brings down the

A-8 Packet Over SONET Module Installation and User Guide Commands and Functions Not SupportedNone of the ExtremeWare commands associated with the foll

Packet Over SONET Module Installation and User Guide A-9Commands and Functions Not Supported enable isq <name> Not supported when a PoS port is

A-10 Packet Over SONET Module Installation and User Guide

Packet Over SONET Module Installation and User Guide B-1 BSupported MIBs and StandardsThis appendix lists the software standards and management inform

B-2 Packet Over SONET Module Installation and User Guide SONET/SDH SupportThis section lists the Synchronous Optical Network/Synchronous Digital Hiera

Packet Over SONET Module Installation and User Guide B-3QoS and DiffServ Support • RFC 2615: PPP over SONET/SDH• RFC 1334: PPP Authentication Protocol

B-4 Packet Over SONET Module Installation and User Guide recommendations published in RFC 2309, Recommendations on Queue Management and Congestion Avo

Packet Over SONET Module Installation and User Guide B-5Automatic Protection Switching Support Standards Supported for APSIn addition to the MIB suppo

Packet Over SONET Module Installation and User Guide 1-1 1OverviewThe Packet over SONET (PoS) modules are I/O modules for the BlackDiamond 6800 series

B-6 Packet Over SONET Module Installation and User Guide

Packet Over SONET Module Installation and User Guide iIndexNumerics802.1p command support 3-39802.1Q command support 3-39Aaccess list support for PoS

ii - Index Packet Over SONET Module Installation and User GuideCcablesmultimode 2-3single-mode 2-3Challenge Handshake Authentication Protocol. See CHA

Packet Over SONET Module Installation and User Guide Index - iiiverifying operation 2-10version requirements, software and hardware2-2Intra-Subnet QoS

iv - Index Packet Over SONET Module Installation and User GuidePoS port tunnel, configuring 3-98port tunneling 1-12, 3-97Ethernet module, configuring

Packet Over SONET Module Installation and User Guide Index - vstatistics (table) 3-18Spanning Tree Protocol. See STPSTPExtremeWare commands 3-42suppor

vi - Index Packet Over SONET Module Installation and User Guide

Packet Over SONET Module Installation and User Guide iIndex of CommandsCclear counters 3-102, A-6config aps 3-86, 3-90, A-2config aps add 3-86, 3-88,

ii - Index of Commands Packet Over SONET Module Installation and User Guidedisable flowstats filter ports 3-65, 3-71disable flowstats ping-check 3-72,

1-2 Packet Over SONET Module Installation and User GuideOverview BlackDiamond I/O ModulesIn addition to the PoS modules described in this guide, the B

Packet Over SONET Module Installation and User Guide 1-3About the PoS Modules About the PoS ModulesTwo key applications for the PoS modules are: inter

ii ©2001 Extreme Networks, Inc. All rights reserved. Extreme Networks and BlackDiamond are registered trademarks of Extreme Networks, Inc. in the Unit

1-4 Packet Over SONET Module Installation and User GuideOverview Physical DescriptionThe PoS module consists of a printed circuit board mounted on a m

Packet Over SONET Module Installation and User Guide 1-5About the PoS Modules The PoS module has the following key components:• Two high-performance n

1-6 Packet Over SONET Module Installation and User GuideOverview Figure 1-2: Front panel views of the P3cSi and P3cMi modulesBD_P3Module status LEDsSe

Packet Over SONET Module Installation and User Guide 1-7About the PoS Modules Figure 1-3: Front panel views of the P12cSi and P12cMi modulesFeature Su

1-8 Packet Over SONET Module Installation and User GuideOverview • Efficient support for IP routing over SONET via IPCP• Support for Transparent LAN S

Packet Over SONET Module Installation and User Guide 1-9About the PoS Modules Function SummaryThe following sections provide brief descriptions of the

1-10 Packet Over SONET Module Installation and User GuideOverview MPLS labeled packets can also be encapsulated in Ethernet headers and transported ac

Packet Over SONET Module Installation and User Guide 1-11About the PoS Modules Service Provider FeaturesThe PoS modules provide the following features

1-12 Packet Over SONET Module Installation and User GuideOverview The PoS module also supports port tunneling. Port tunneling can be used to encapsula

Packet Over SONET Module Installation and User Guide 1-13About the PoS Modules Automatic Protection SwitchingAutomatic Protection Switching, or APS, i

Contents iiiContentsPrefaceIntroduction xiiiTerminology xivConventions xivRelated Publications xv1OverviewBlackDiamond 6800 Series Switch Overview 1-1

1-14 Packet Over SONET Module Installation and User GuideOverview

Packet Over SONET Module Installation and User Guide 2-1 2Installing or Replacing a PoS ModuleThis chapter includes information on the following topic

2-2 Packet Over SONET Module Installation and User GuideInstalling or Replacing a PoS Module Software and Hardware Version RequirementsThe PoS modules

Packet Over SONET Module Installation and User Guide 2-3Preparing for Installation The MSM software package is compatible with the PoS module software

2-4 Packet Over SONET Module Installation and User GuideInstalling or Replacing a PoS Module Use the appropriate type of optical-fiber cable—single-mo

Packet Over SONET Module Installation and User Guide 2-5Preparing for Installation ToolsYou need the following tools to install an Extreme Networks I/

2-6 Packet Over SONET Module Installation and User GuideInstalling or Replacing a PoS Module Figure 2-1: Slot locations in a BlackDiamond 6800 series

Packet Over SONET Module Installation and User Guide 2-7Inserting and Securing a Module Inserting and Securing a ModuleThis section describes the proc

2-8 Packet Over SONET Module Installation and User GuideInstalling or Replacing a PoS Module Figure 2-2: Inserting and securing a PoS moduleWhen the m

Packet Over SONET Module Installation and User Guide 2-9Making Network Interface Cable Connections f Use a #1 Phillips-head screwdriver to tighten the

iv ContentsInserting and Securing a Module 2-7Making Network Interface Cable Connections 2-9Verifying the Module Installation 2-10LED Indicators 2-10D

2-10 Packet Over SONET Module Installation and User GuideInstalling or Replacing a PoS Module Verifying the Module InstallationAfter you have installe

Packet Over SONET Module Installation and User Guide 2-11Troubleshooting TroubleshootingThis section describes how to isolate module-specific problems

2-12 Packet Over SONET Module Installation and User GuideInstalling or Replacing a PoS Module Identifying Problem CategoriesTable 2-1 lists the color

Packet Over SONET Module Installation and User Guide 2-13Troubleshooting Fixing Configuration ErrorsIf the STATUS LED on the PoS module turns amber an

2-14 Packet Over SONET Module Installation and User GuideInstalling or Replacing a PoS Module Upgrading the Switch Software ImageIf the STATUS LED on

Packet Over SONET Module Installation and User Guide 2-15Troubleshooting Fixing Power-Related ProblemsIf the LEDs on all other modules are off, verify

2-16 Packet Over SONET Module Installation and User GuideInstalling or Replacing a PoS Module Identifying Conditions for Replacing an I/O ModuleIf the

Packet Over SONET Module Installation and User Guide 2-17Removing and Replacing an I/O Module Removing an I/O ModuleTo remove an I/O module, follow th

2-18 Packet Over SONET Module Installation and User GuideInstalling or Replacing a PoS Module

Packet Over SONET Module Installation and User Guide 3-1 3Configuring the PoS ModuleThis chapter describes the ExtremeWare commands that support the P

Contents vSONET Events 3-19Configuring and Monitoring PPP Functions 3-22PPP Background Information 3-22Commands for Configuring and Monitoring PPP Fun

3-2 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Basic PoS Module Configuration InformationThis section uses several

Packet Over SONET Module Installation and User Guide 3-3Basic PoS Module Configuration Information PoS Port Configuration and Default VLAN Assignments

3-4 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module configuration values will bring up the ports as members of the defa

Packet Over SONET Module Installation and User Guide 3-5Basic PoS Module Configuration Information Table 3-1 lists the configurable SONET link paramet

3-6 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Routing Over PoS PortsWhile you can configure BCP to perform routin

Packet Over SONET Module Installation and User Guide 3-7Basic PoS Module Configuration Information 4 Disable BCP on the SONET ports using the config p

3-8 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module APS Port RedundancyFigure 3-3 is an example of a single-module APS

Packet Over SONET Module Installation and User Guide 3-9Basic PoS Module Configuration Information APS Module RedundancyFigure 3-4 is an example of a

3-10 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module APS Switch RedundancyFigure 3-5 is an example of a two-switch APS

Packet Over SONET Module Installation and User Guide 3-11Basic PoS Module Configuration Information Configuration Commands for APS: Switch RedundancyT

vi ContentsMIB Support for Flow Statistics 3-74Configuring and Monitoring APS Functions 3-75APS Network Configuration Options 3-77Sample Line-Switchin

3-12 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Configuring and Monitoring SONET PortsIn addition to the ExtremeWa

Packet Over SONET Module Installation and User Guide 3-13Configuring and Monitoring SONET Ports Commands for Configuring and Monitoring SONET PortsTab

3-14 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Configuring SONET ClockingYou can configure each port on the PoS m

Packet Over SONET Module Installation and User Guide 3-15Configuring and Monitoring SONET Ports Configuring the Signal Degrade ThresholdA Signal Degra

3-16 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module The id_string parameter is a string of up to 15 characters. By def

Packet Over SONET Module Installation and User Guide 3-17Configuring and Monitoring SONET Ports Configuring the Signal LabelThe Signal Label field occ

3-18 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Displaying SONET Port Status InformationTo display status informat

Packet Over SONET Module Installation and User Guide 3-19Configuring and Monitoring SONET Ports SONET EventsThe PoS module can detect and report a var

3-20 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Alarm Indication Signal—Path (AIS-P)The Path Alarm Indication Sign

Packet Over SONET Module Installation and User Guide 3-21Configuring and Monitoring SONET Ports Automatic Protection Switching (APS)An APS event occur

Contents viiCommands and Functions Not Supported A-8B Supported MIBs and StandardsSONET/SDH Support B-2Standards Supported for SONET/SDH B-2MIBs Suppo

3-22 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Configuring and Monitoring PPP FunctionsIn addition to the Extreme

Packet Over SONET Module Installation and User Guide 3-23Configuring and Monitoring PPP Functions • Challenge Handshake Authentication Protocol (CHAP)

3-24 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module enabled on a PoS port, all data forwarded over the SONET link must

Packet Over SONET Module Installation and User Guide 3-25Configuring and Monitoring PPP Functions Figure 3-7: View of logical connectivity to PoS port

3-26 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module MPLSCP is not explicitly configured on a PoS port. Rather, MPLSCP

Packet Over SONET Module Installation and User Guide 3-27Configuring and Monitoring PPP Functions The following command is an enhanced application of

3-28 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module config ppp pos scrambling [on | off] ports <portlist>Choose

Packet Over SONET Module Installation and User Guide 3-29Configuring and Monitoring PPP Functions The following example enables link maintenance on po

3-30 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module The following example enables the LQM protocol on port 1 of a PoS

Packet Over SONET Module Installation and User Guide 3-31Configuring and Monitoring PPP Functions To configure the name and password for a specified P

viii Contents

3-32 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module If you do not specify a password string in this command, the comma

Packet Over SONET Module Installation and User Guide 3-33Configuring and Monitoring PPP Functions Configuring the Network Control ProtocolThe Network

3-34 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module When used with IPCP, the optional peer-ipaddress keyword and param

Packet Over SONET Module Installation and User Guide 3-35Configuring and Monitoring PPP Functions 5 Configure MPLS on the VLAN using the config mpls a

3-36 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Displaying PPP InformationTo display status information for PPP po

Packet Over SONET Module Installation and User Guide 3-37Configuring and Monitoring PPP Functions • Detailed LQM status:— Statistics from the most rec

3-38 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Configuring VLAN-Related AttributesThe ExtremeWare software and th

Packet Over SONET Module Installation and User Guide 3-39Configuring VLAN-Related Attributes The restrictions are as follows:• A PoS port cannot be ad

3-40 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Configuring VLAN Tag Mapping TablesThe config dot1q tagmapping com

Packet Over SONET Module Installation and User Guide 3-41Configuring VLAN-Related Attributes Configuring VLAN Tag Nesting AttributesThe config dot1q t

Figures ixFigures1-1 PoS module 1-41-2 Front panel views of the P3cSi and P3cMi modules 1-61-3 Front panel views of the P12cSi and P12cMi modules 1-72

3-42 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module priority, which is an integer in the range from 0 to 7. To preserv

Packet Over SONET Module Installation and User Guide 3-43Configuring QoS Functions Configuring QoS FunctionsThe ExtremeWare software and the Extreme N

3-44 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Configuring a QoS ProfileThe SONET modules support eight ingress q

Packet Over SONET Module Installation and User Guide 3-45Configuring QoS Functions To configure the scheduling parameters for a specified QoS profile,

3-46 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module Classification and Replacement PoliciesThis section deals primaril

Packet Over SONET Module Installation and User Guide 3-47Configuring QoS Functions If you enable diffserv examination on a PoS port, then ingress IP f

3-48 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module DiffServ ClassificationWhen a packet arrives at the switch on an i

Packet Over SONET Module Installation and User Guide 3-49Configuring QoS Functions The optional low-drop-probability and high-drop-probability keyword

3-50 Packet Over SONET Module Installation and User GuideConfiguring the PoS Module where:If you omit the no-congestion and congestion keywords, the c

Packet Over SONET Module Installation and User Guide 3-51Configuring QoS Functions config diffserv replacement priority <vpri> code_point <co