Extreme Networks Px Series Operator's manual

Extreme Networks, Inc.
3585 Monroe Street
Santa Clara, California 95051
[phone]
http://www.extremenetworks.com
Px Series
Application Switch
Installation and
Configuration Guide
Published: April 2002
Part number: 100101-00 Rev. 02

II
©2002 Extreme Networks, Inc. All rights reserved. Extreme Networks and BlackDiamond are
registered trademarks of Extreme Networks, Inc. in the United States and certain other jurisdictions.
ExtremeWare, ExtremeWare Vista, ExtremeWorks, ExtremeAssist, ExtremeAssist1, ExtremeAssist2,
PartnerAssist, Extreme Standby Router Protocol, ESRP, SmartTraps, Alpine, Summit, Summit1,
Summit4, Summit4/FX, Summit7i, Summit24, Summit48, Summit Virtual Chassis, SummitLink,
SummitGbX, SummitPx1, SummitRPS and the Extreme Networks logo are trademarks of Extreme
Networks, Inc., which may be registered or pending registration in certain jurisdictions. The Extreme
Turbodrive logo is a service mark of Extreme Networks, which may be registered or pending
registration in certain jurisdictions. Specifications are subject to change without notice.
NetWare and Novell are registered trademarks of Novell, Inc. Merit is a registered trademark of Merit
Network, Inc. Solaris is a trademark of Sun Microsystems, Inc. F5, BIG/ip, and 3DNS are registered
trademarks of F5 Networks, Inc. see/IT is a trademark of F5 Networks, Inc.
All other registered trademarks, trademarks and service marks are property of their respective owners.

Px Series Application Switch Installation and Configuration Guide iii
Contents
Preface
Introduction 1-vii
Conventions 1-viii
Related Publications 1-ix
1 Server Load Balancing Concepts
Purpose of Server Load Balancing 1-1
Terms 1-2
Load Balancing Modes 1-3
Layer 4 Load Balancing 1-3
Layer 7 Load Balancing and Content Analysis 1-4
Port Rewrite 1-6
Getting Started on Load Balancing Configuration 1-6
2 Installing the SummitPx1 Application Switch
Overview of the SummitPx1 Application Switch 2-1
SummitPx1 Front View 2-1
SummitPx1 Application Switch Rear View 2-3
Determining the Location 2-4
Installing the SummitPx1 Application Switch 2-4
Rack Mounting 2-4

iv Px Series Application Switch Installation and Configuration Guide
Free-Standing 2-5
Powering On the SummitPx1 2-5
Setting Up Console Communication 2-6
Configuring Switch IP Parameters 2-7
Configuring the 10/100 Ethernet Management Port 2-8
3 Installing the PxM Application Switch Module
Installing I/O Modules 3-1
Removing I/O Modules 3-2
4 Managing the Switch
Using the Command-Line Interface 4-2
Abbreviated Syntax and Command Completion 4-2
Syntax Symbols 4-2
Line-Editing Keys 4-3
Specifying Text Values 4-3
Command History 4-4
Prompt Text 4-4
Configuring Management Access 4-4
Changing the Default Passwords 4-5
Creating Accounts 4-6
Managing the PxM 4-7
Configuring VLANs 4-8
Configuring SNMP 4-9
Configuring DNS Client Services 4-10
Using Secure Shell 2 (SSH2) 4-11
Enabling SSH2 for Inbound Switch Access 4-12
Using SCP2 from an External SSH2 Client 4-13
SSH2 Client Functions on the Switch 4-14
Utilities 4-15
Showing CPU Load 4-15
Checking Basic Connectivity 4-15
Logging 4-16

Px Series Application Switch Installation and Configuration Guide v
Configuring a Startup Banner Message 4-17
Starting the GlobalPx Content Director Agent 4-17
Example Configuration 4-18
5 Configuring Servers and Services
Configuring Real Servers 5-1
Configuring Server Groups 5-2
Configuring Virtual Services 5-3
Layer 4 Port-based Load Balancing 5-4
Layer 7 Virtual Services 5-4
Configuring Traffic Tagging 5-5
Configuration Example 5-6
6 Choosing Policies, Persistence Modes, and NAT
Scheduling Policies 6-1
Persistence Modes 6-2
UDP Flow Persistence 6-3
Client IP Persistence Mode 6-3
Cookie Persistence Modes 6-5
SSL Session Identifier Persistence 6-13
NAT Modes 6-14
Full-NAT Mode 6-14
Server-only Half-NAT Mode 6-15
Configuration Example 6-17
7 URL Switching
Domain and URL Switching 7-1
Domain Switching 7-2
URL Switching 7-4
Configuring URL Switching 7-4
Creating Domain and URL Switching Rules 7-8
Modifying Existing URL Rules and Domains 7-9

vi Px Series Application Switch Installation and Configuration Guide
Configuration Example 7-9
8 Configuring Redundancy
Using VRRP with the SummitPx1 8-1
Adding and Configuring VRRPs 8-2
Using VRRP in Existing Redundant Networks 8-3
VRRP Automatic Synchronization 8-4
Configuring Redundancy for the PxM 8-6
Using ESRP with the PxM 8-6
Configuring the PxM for Multiple VLANs 8-7
Configuring a Default Gateway 8-8
9 Health Checks
Overview 9-1
Server Startup Pacing 9-2
Health Checking Procedure 9-3
Configuring Health Checks 9-4
Types of Health Checks 9-4
Timers and Counters 9-4
10 Monitoring the Switch
Showing Traffic Statistics 10-1
Showing Configuration Details 10-3
Configuration Displays 10-4
Status Displays 10-5
Managing and Troubleshooting Operation 10-7
Index
Index of Commands

Px Series Application Switch Installation and Configuration Guide vii
Preface
This preface provides an overview of this guide, describes guide conventions, and lists
other publications that may be useful.
Introduction
This guide provides the required information to configure the Extreme Networks Px
series application switches, SummitPx1TM and PxMTM.
This guide is intended for use by network administrators who are responsible for
installing and setting up network equipment. It assumes a basic working knowledge of:
•Local area networks (LANs)
•Ethernet concepts
•Ethernet switching and bridging concepts
•Routing concepts
•Internet Protocol (IP) concepts, including connection initiation process
•Network Address Translation (NAT)
If the information in the release notes shipped with your switch differs from the
information in this guide, follow the release notes.

viii Px Series Application Switch Installation and Configuration Guide
Preface
Conventions
Table 1 and Table 2 list conventions that are used throughout this guide.
Table 1: Notice Icons
Icon Notice Type Alerts you to...
Note Important features or instructions.
Caution Risk of personal injury, system damage, or loss of data.
Warning Risk of severe personal injury.
Table 2: Text Conventions
Convention Description
Screen displays This typeface indicates command syntax, or represents information
as it appears on the screen.
The words “enter”
and “type” When you see the word “enter” in this guide, you must type something, and then press the Return or Enter key. Do not press
the Return or Enter key when an instruction simply says “type.”
[Key] names Key names are written with brackets, such as [Return] or [Esc].
If you must press two or more keys simultaneously, the key names
are linked with a plus sign (+). Example:
Press [Ctrl]+[Alt]+[Del].
Words in italicized type Italics emphasize a point or denote new terms at the place where
they are defined in the text.

Px Series Application Switch Installation and Configuration Guide ix
Related Publications
Related Publications
The publications related to this one are:
•ExtremeWare Software User Guide
•Px Series Application Switch Release Notes
Documentation for Extreme products is available on the World Wide Web at the
following location:
•http://www.extremenetworks.com

xPx Series Application Switch Installation and Configuration Guide
Preface