Extreme Networks Px Series Specifikace

Extreme Networks, Inc.3585 Monroe StreetSanta Clara, California 95051(888) 257-3000http://www.extremenetworks.comPx SeriesApplication Switch Installat

x Px Series Application Switch Installation and Configuration GuidePreface

9-2 Px Series Application Switch Installation and Configuration GuideServer Startup PacingIn order not to overload a server that has just come up, ser

Px Series Application Switch Installation and Configuration Guide 9-3Health Checking ProcedureHealth Checking ProcedureYou configure health checks for

9-4 Px Series Application Switch Installation and Configuration GuideConfiguring Health ChecksBefore health checks can be configured, make sure that t

Px Series Application Switch Installation and Configuration Guide 9-5Configuring Health Checksconfig health-check fail-after <number>config heal

9-6 Px Series Application Switch Installation and Configuration Guide

Px Series Application Switch Installation and Configuration Guide 10-110Monitoring the SwitchThis chapter describes tools that are available for monit

10-2 Px Series Application Switch Installation and Configuration Guideshow port mgmt [config | details] Displays packet-level counters for the interfa

Px Series Application Switch Installation and Configuration Guide 10-3Showing Configuration DetailsShowing Configuration DetailsTable 10-2 lists the c

10-4 Px Series Application Switch Installation and Configuration GuideConfiguration DisplaysThe following example illustrates the output from the show

Px Series Application Switch Installation and Configuration Guide 10-5Showing Configuration DetailsStatus DisplaysThe show health and show server deta

Px Series Application Switch Installation and Configuration Guide 1-11Server Load Balancing ConceptsThe Px series application switch marks the next st

10-6 Px Series Application Switch Installation and Configuration GuideThe following tables describe the columns and their values.Table 10-3: show heal

Px Series Application Switch Installation and Configuration Guide 10-7Managing and Troubleshooting OperationManaging and Troubleshooting OperationTabl

10-8 Px Series Application Switch Installation and Configuration Guideshow log <level> Displays the contents of the switch log. Level values are

Px Series Application Switch Installation and Configuration Guide iIndexAaccountsadministrator 4-5creating 4-6default password 4-5deleting 4-6user 4-4

ii - Index Px Series Application Switch Installation and Configuration Guidefront view 2-1full-NAT mode 6-14Ggateway mode 6-16, 6-17gateway, default 8

Px Series Application Switch Installation and Configuration Guide Index - iiiAUX 2-2console 2-2Gigabit Ethernet 2-2management port 2-2positioning 2-4p

iv - Index Px Series Application Switch Installation and Configuration Guide

Px Series Application Switch Installation and Configuration Guide IIndex of CommandsBbuild 4-8, 8-2, 8-3Cclear log 4-16config account 4-6config ban

ii - Index of Commands Px Series Application Switch Installation and Configuration Guideconfig syslog ipaddress 4-16config system-ip 4-8config vrrp

1-2 Px Series Application Switch Installation and Configuration GuideThe Px series application switch can examine actual user requests, rather than si

Px Series Application Switch Installation and Configuration Guide 1-3Load Balancing ModesIn this document, the Internet users are referred to as clien

1-4 Px Series Application Switch Installation and Configuration GuideFigure 1-2: Single client-server transaction using layer 4As soon as the first re

Px Series Application Switch Installation and Configuration Guide 1-5Load Balancing Modeschosen to process the request, using a source IP address that

1-6 Px Series Application Switch Installation and Configuration GuidePort RewriteWhen a request is sent by a client to a VIP service, the request cont

Px Series Application Switch Installation and Configuration Guide 1-7Getting Started on Load Balancing Configurationa Configure the real servers that

1-8 Px Series Application Switch Installation and Configuration Guide

Px Series Application Switch Installation and Configuration Guide 2-12Installing the SummitPx1 Application SwitchThis chapter describes how to install

II©2002 Extreme Networks, Inc. All rights reserved. Extreme Networks and BlackDiamond are registered trademarks of Extreme Networks, Inc. in the Unite

2-2 Px Series Application Switch Installation and Configuration GuideTable 2-1 describes the LED behavior on the SummitPx1.The front panel of the Summ

Px Series Application Switch Installation and Configuration Guide 2-3Overview of the SummitPx1 Application SwitchFor more information on connecting an

2-4 Px Series Application Switch Installation and Configuration GuideDetermining the LocationThe SummitPx1 is suited for use in the office, where it c

Px Series Application Switch Installation and Configuration Guide 2-5Powering On the SummitPx1Figure 2-3: Fitting the mounting bracket5 Repeat steps 2

2-6 Px Series Application Switch Installation and Configuration GuideIf the application switch passes the POST, the MGMT LED blinks at a slow rate (1

Px Series Application Switch Installation and Configuration Guide 2-7Setting Up Console Communicationcable with which to connect most PCs to this port

2-8 Px Series Application Switch Installation and Configuration GuideWriting data to FlashDone4 When you are finished using the facility, log out of t

Px Series Application Switch Installation and Configuration Guide 3-13Installing the PxM Application Switch ModuleThe PxM configuration of the Px seri

3-2 Px Series Application Switch Installation and Configuration GuideCaution: You can install I/O modules only in slots 1 through 16 in the BlackDiamo

Px Series Application Switch Installation and Configuration Guide 3-3Removing I/O Modules3 Simultaneously rotate the ejector/injector handles outward

Px Series Application Switch Installation and Configuration Guide iiiContentsPrefaceIntroduction 1-viiConventions 1-viiiRelated Publications 1-ix1 Ser

3-4 Px Series Application Switch Installation and Configuration Guide

Px Series Application Switch Installation and Configuration Guide 4-14Managing the SwitchThis chapter covers the following topics:• Using the Command-

4-2 Px Series Application Switch Installation and Configuration GuideUsing the Command-Line InterfaceTo use the command-line interface:1 Enter the com

Px Series Application Switch Installation and Configuration Guide 4-3Using the Command-Line InterfaceLine-Editing KeysTable 4-2 describes the line-edi

4-4 Px Series Application Switch Installation and Configuration Guidevalue. You must use quotes if the text value includes any non-alphanumeric charac

Px Series Application Switch Installation and Configuration Guide 4-5Configuring Management Access• AdministratorAn administrator-level account can vi

4-6 Px Series Application Switch Installation and Configuration GuideCreating AccountsThe application switch can have a total of 16 management account

Px Series Application Switch Installation and Configuration Guide 4-7Managing the PxMManaging the PxMYou can manage the PxM in any of the following wa

4-8 Px Series Application Switch Installation and Configuration GuideSome commands do not work at all if the PxM is not booted and ready. It can take

Px Series Application Switch Installation and Configuration Guide 4-9Configuring SNMPTo assign a VLAN tag to a service, use the following command:conf

iv Px Series Application Switch Installation and Configuration GuideFree-Standing 2-5Powering On the SummitPx1 2-5Setting Up Console Communication 2-6

4-10 Px Series Application Switch Installation and Configuration GuideConfiguring DNS Client ServicesThe Domain Name Service (DNS) client in ExtremeWa

Px Series Application Switch Installation and Configuration Guide 4-11Using Secure Shell 2 (SSH2)In addition, the nslookup utility can be used to retu

4-12 Px Series Application Switch Installation and Configuration GuideThe ExtremeWare SSH2 switch application also works with SSH2 client and server (

Px Series Application Switch Installation and Configuration Guide 4-13Using Secure Shell 2 (SSH2)You are prompted to enter information to be used in g

4-14 Px Series Application Switch Installation and Configuration GuideFor example, to copy an image file saved as image1.xtr to switch with IP address

Px Series Application Switch Installation and Configuration Guide 4-15UtilitiesUtilitiesThe Px series application switch offers utilities for the foll

4-16 Px Series Application Switch Installation and Configuration GuideLoggingThe Px series application switch supports two logging facilities, a local

Px Series Application Switch Installation and Configuration Guide 4-17UtilitiesConfiguring a Startup Banner MessageTo configure a banner message to di

4-18 Px Series Application Switch Installation and Configuration GuideTo start and stop the GlobalPx Content Director agent on the Px series applicati

Px Series Application Switch Installation and Configuration Guide 4-19Example ConfigurationThe following commands configure all system-related facilit

Px Series Application Switch Installation and Configuration Guide vConfiguring a Startup Banner Message 4-17Starting the GlobalPx Content Director Age

4-20 Px Series Application Switch Installation and Configuration Guide

Px Series Application Switch Installation and Configuration Guide 5-15Configuring Servers and ServicesThis chapter describes how to configure the real

5-2 Px Series Application Switch Installation and Configuration Guideanswer requests. Servers can share an IP address, but the port must be unique for

Px Series Application Switch Installation and Configuration Guide 5-3Configuring Virtual Servicesa system in another geographical location). To specif

5-4 Px Series Application Switch Installation and Configuration GuideYou can assign a specific VLAN tag to a virtual service. VLAN tags for services a

Px Series Application Switch Installation and Configuration Guide 5-5Configuring Virtual Servicesconfig pattern-rule “<string>” server-group-nam

5-6 Px Series Application Switch Installation and Configuration Guide.Configuration ExampleThe example builds upon the example from Chapter 4 and incl

Px Series Application Switch Installation and Configuration Guide 5-7Configuration Example#-----------------------------------------------------------

5-8 Px Series Application Switch Installation and Configuration Guide

Px Series Application Switch Installation and Configuration Guide 6-16Choosing Policies, Persistence Modes, and NAT This chapter describes how to spec

vi Px Series Application Switch Installation and Configuration GuideConfiguration Example 7-98 Configuring RedundancyUsing VRRP with the SummitPx1 8-1

6-2 Px Series Application Switch Installation and Configuration GuideThe Px series application switch supports the following scheduling policies:Persi

Px Series Application Switch Installation and Configuration Guide 6-3Persistence Modesaccesses the website, it opens a session with one of the web ser

6-4 Px Series Application Switch Installation and Configuration GuideFigure 6-1: Client IP persistence modeThe following transactions occur in Figure

Px Series Application Switch Installation and Configuration Guide 6-5Persistence ModesConfiguring Client IP StickinessTo enable and disable client IP

6-6 Px Series Application Switch Installation and Configuration GuideFigure 6-2: Self-identifying cookie persistence modeThe following transactions oc

Px Series Application Switch Installation and Configuration Guide 6-7Persistence Modes• Using its configured load balancing policy, the Px series appl

6-8 Px Series Application Switch Installation and Configuration Guide# Additional information may be useful during debuggingprint start_html('Coo

Px Series Application Switch Installation and Configuration Guide 6-9Persistence ModesFigure 6-3: Hashed cookie persistence modeFigure 6-3 shows a typ

6-10 Px Series Application Switch Installation and Configuration Guide• The client transmits its first TCP request (A) to www.mybank.com at its public

Px Series Application Switch Installation and Configuration Guide 6-11Persistence ModesUnlike self-identifying cookie persistence and hashed cookie pe

Px Series Application Switch Installation and Configuration Guide viiPrefaceThis preface provides an overview of this guide, describes guide conventio

6-12 Px Series Application Switch Installation and Configuration Guide• A three-way TCP handshake is established between the Px series application swi

Px Series Application Switch Installation and Configuration Guide 6-13Persistence Modesis being done, a default domain and pattern rule are still need

6-14 Px Series Application Switch Installation and Configuration GuideNAT ModesNetwork address translation (NAT) is one of the cornerstones of server

Px Series Application Switch Installation and Configuration Guide 6-15NAT ModesConfiguring Full-NAT Mode and Proxy IP AddressesFull-NAT mode is the de

6-16 Px Series Application Switch Installation and Configuration Guidethat of the real server, and that the TCP source port for the request is the sam

Px Series Application Switch Installation and Configuration Guide 6-17Configuration ExampleWhen you configure half-NAT mode, you can also configure ga

6-18 Px Series Application Switch Installation and Configuration GuideThe commands to configure this network are as follows:#-------------------------

Px Series Application Switch Installation and Configuration Guide 6-19Configuration Exampleconfig pattern-rule “default” server-group-name yourdomain

6-20 Px Series Application Switch Installation and Configuration Guide

Px Series Application Switch Installation and Configuration Guide 7-17URL SwitchingThis chapter describes how the Px series application switch perform

viii Px Series Application Switch Installation and Configuration GuidePrefaceConventionsTable 1 and Table 2 list conventions that are used throughout

7-2 Px Series Application Switch Installation and Configuration GuideFigure 7-1: Typical switching scenarioDomain SwitchingDomain switching uses the r

Px Series Application Switch Installation and Configuration Guide 7-3Domain and URL SwitchingFigure 7-2: Domain switching exampleThe Px series applica

7-4 Px Series Application Switch Installation and Configuration Guideconfig domain name buystuff.comconfig pattern-rule default server-group-name buys

Px Series Application Switch Installation and Configuration Guide 7-5Configuring URL SwitchingFigure 7-3: Simple URL switching exampleBy directing eac

7-6 Px Series Application Switch Installation and Configuration GuideFigure 7-4: More Complicated URL switching exampleIn Figure 7-4, buystuff.com dec

Px Series Application Switch Installation and Configuration Guide 7-7Configuring URL SwitchingFigure 7-5: Hierarchical approach to pattern rulesIn Fig

7-8 Px Series Application Switch Installation and Configuration Guideconfig domain name www.ebooks.comconfig pattern-rule “authorsa” server-group-name

Px Series Application Switch Installation and Configuration Guide 7-9Configuration ExampleThe wildcard (*) in the second line refers any request with

7-10 Px Series Application Switch Installation and Configuration GuideThe commands to configure this example are as follows:#-------------------------

Px Series Application Switch Installation and Configuration Guide 7-11Configuration Exampleconfig server-group name images policy rrconfig server-grou

Px Series Application Switch Installation and Configuration Guide ixRelated PublicationsRelated PublicationsThe publications related to this one are:•

7-12 Px Series Application Switch Installation and Configuration Guideconfig snmp sysName “balancer”config snmp sysLocation “Exodus Colo”config snmp s

Px Series Application Switch Installation and Configuration Guide 8-18Configuring Redundancy This chapter describes how to configure redundancy for th

8-2 Px Series Application Switch Installation and Configuration GuideThe only difference between a traditional VRRP implementation and the Px series a

Px Series Application Switch Installation and Configuration Guide 8-3Using VRRP with the SummitPx1config vrrp add vrid <number>config vrrp vrid

8-4 Px Series Application Switch Installation and Configuration GuideFigure 8-1: Application switch using multiple VLANs.For more information on confi

Px Series Application Switch Installation and Configuration Guide 8-5Using VRRP with the SummitPx1on the backup. After all the commands have been repl

8-6 Px Series Application Switch Installation and Configuration GuideConfiguring Redundancy for the PxMYou must use the the Extreme Standby Router Pro

Px Series Application Switch Installation and Configuration Guide 8-7Configuring Redundancy for the PxMBecause the ESRP priority of A is now lower tha

8-8 Px Series Application Switch Installation and Configuration Guide# configure ESRP, with additional VLANs under master VLANconfig esrp port-mode ho

Px Series Application Switch Installation and Configuration Guide 9-19Health ChecksThis chapter describes health checks you can use to ensure that a g