CAI Networks WebMux 480S Manuale utente

Table of Contents

Table of Contents······························································································································ i

Packing List····································································································································iii

Main Components···························································································································· 1

Front View··································································································································· 1

Rear View···································································································································· 2

WebMux™ Overview······················································································································· 3

Key Features······························································································································· 3

The WebMux™ Family ··············································································································· 5

Network Overview······················································································································· 7

Sample Configurations···················································································································· 9

Single WebMux™························································································································ 9

Redundant Installation·············································································································· 11

Installation without IP Address Change··················································································· 13

Configuring the WebMux ·············································································································· 15

Before you Start ························································································································ 15

Hardware Setup --- Collect Information··················································································· 16

Hardware Setup ---Setup the new network ··············································································· 16

Hardware Setup ---Configuration Summary············································································· 17

Initial Configuration······················································································································ 17

NAT Mode Related Configuration ···························································································· 18

Out-of-Path Related Configuration··························································································· 20

NAT and Out-of-Path Common Configuration········································································· 20

What if I made mistake in my configuration? ··········································································· 23

Management Console···················································································································· 24

Login········································································································································· 24

Main Management Console ······································································································ 26

SSL Keys···································································································································· 27

Administration Set Up··············································································································· 33

Change Browser Login Password: ··························································································· 39

Set Clock:·································································································································· 41

Upload/Download····················································································································· 43

Add Farm ·································································································································· 44

Modify Farm ····························································································································· 49

Add Server: ······························································································································· 51

Modify Server···························································································································· 54

Initial setup change Through Browser······················································································ 56

Initial Configuration Worksheets·································································································· 58

Sample Configuration Worksheets ································································································ 59

Contact Information······················································································································ 63

FAQs·············································································································································· 64

Regulations···································································································································· 67

Appendix 1 – How to Add A Loopback Adapter············································································ 68

Appendix 2 - How to make route delete reboot persistent····························································· 70

Appendix 3 - Phone Paging Codes································································································ 71

Appendix 4 – Virtual Hosting Issues····························································································· 73

Appendix 5 – Sample Custom CGI Code······················································································· 74

Appendix 6 – Access CLI Commands···························································································· 75

Appendix 7 – Extended Regular Expressions················································································ 76

Index·············································································································································· 77

iii

Packing List

•One (1) WebMux™ unit

•One (1) Power cord

•One (1) User Manual

•One (1) Warranty registration card

The WebMux™ Model 480S, 580SG, and 680PG User Guide – Version 7.0.x

Main Components

Front View

Toggle Power Switch

This switch toggles power on and off. To power off, the switch must be pressed

and held for 5 seconds.

Reset Button

Press and release the reset button to reset the WebMux™. This process may

take several minutes to complete.

Up Arrow Button, Down Arrow Button

When each button is pressed, the value on the cursor location increases or

decreases. It goes through lower case letters, upper case letters, numbers and

symbols. When the cursor is located at the left most position on the LCD, the up

and down arrow allows the user to select a different item to setup.

Left Arrow Button and Right Arrow Button

When each button is pressed, the cursor moves to the left and right.

Check Mark Button, and Cross Button

Check Mark Button confirms the selection, Cross Button cancels the selection. At

any time when the system is running holding down to the Check Mark Button will

invoke the configuration menu, where you can change IP addresses and other

settings.

The WebMux™ Model 480S, 580SG, and 680PG User Guide – Version 7.0.x

Rear View

Server LAN Port

Connect this port to the Server LAN switch or hub. This port connects to the

servers and your local computers. It is the right most RJ45 socket. In Out-of Path

configuration, this is the only Ethernet cable to be connected.

Backup WebMux™ Port

Optionally, you may connect another WebMux™ to this port so that you can have

redundancy. If you have more than one WebMux™, you can connect them using

a cross over cable, or a regular cable with a hub.

Router LAN Port

Connect this port to the Router LAN switch or hub. In most situations, this port

connects to the Internet side network in NAT mode. It is the left most RJ45

Socket.

PLEASE NOTE: The Router LAN and Server LAN port are not interchangeable.

External Modem Connect Port

To utilize the phone pager function of the WebMux™, please connect the

external modem to this port. In some cases, if you prefer support engineers to

not use diagnostic ports over the Internet, our support engineers can also

connect through the modem to assist you with setup issues. A US Robotics

V.Everything modem is required: US Robotics part number 3CP3453. Modem dip

switch has 3, 8, and 10 down, rest up. A standard external modem cable is also

needed. Check with your modem supplier for the cable.

Power Switch

This switches the WebMux™ on and off. When in the "off" position, the front

panel power switch is disabled.

Power Cord

Please use the supplied power cord to connect the WebMux™ to the power

source. 1U WebMux™ has a 115V/230V AC universal power supply.

The WebMux™ Model 480S, 580SG, and 680PG User Guide – Version 7.0.x

WebMux™ Overview

Key Features

The WebMux™ is a standalone network appliance designed primarily to load

balance IP traffic to multiple servers. The WebMux™ includes the following key

features.

•Improves performance by distributing the traffic for a site or domain

among multiple servers. No one server will be bogged down trying to

service a particular site.

•SSL Termination to reduce the cost of multiple certificates.

•Provides high availability by tracking which servers are functioning

properly and which servers are out of service. If a server unexpectedly

goes down, the WebMux™ will automatically re-direct the traffic to other

servers, or will bring a standby or backup server online to service the

traffic. The WebMux™ does application level health check to many

network protocols on servers.

•Provides Persistent Connections by memorizing the user browser

session and the server session and sending the same user to the same

server. This is important for sites using shopping cart and dynamically

generated pages, like BroadVision, ASP and JSP sites.

•Provides fault tolerance. This installation requires two WebMuxes, a

primary and a secondary. The two WebMuxes will automatically sync the

configuration datum.

•Easy management. It can be managed via a secured web browser

session from anywhere in the world. By using https 128 bit encryption to

the management web console, secure remote management of server

farms is truly possible.

•Operating System independent. No software or agent to load on the

servers. Non-intrusive load/failure detection and management.

•Provides Proxy function. When communication is initiated from behind

the WebMux™, the WebMux™ will substitute its own address for the

internal address. This allows the web servers to initiate communication for

The WebMux™ Model 480S, 580SG, and 680PG User Guide – Version 7.0.x

services such as credit card validation and mapping services. (Note: this

function only works in NAT mode).

•Built-in Firewall Protections. Stop possible hacker intrusion into your

network from Internet. All IP addresses and ports are blocked except the

farm IP address. Built-in functions will detect any possible denial of service

attack and make your services always available. (Note: this function only

works in NAT mode with “Forwarding Deny”, see setup for details).

•In-Path or Out-of-Path Load Balancing. In normal setup, the WebMux™

can be configured In-Path, to act as firewall in addition to the load balancer

and health checker. However, if outbound traffic is much larger than

inbound traffic and you already have a firewall in place, or change of IP

address causes problems, consider using Out-of-Path configuration. Out-

of-Path load balancing is also called direct routing, or one leg operation.

•Layer 7 Load Balancing. WebMux™ can direct traffic to specific groups

of servers within a farm according to a match pattern in HTTP MIME

header. This allows you, for example, to group servers that serve only a

specific type of content while serving other types of content on another

group of servers. WebMux™ Layer 7 load balancing also includes URI

load directing with host name MIME header matching and cookies in order

to memorize the user browser session and the server session and send the

same user to the same server. This is important for sites using shopping

cart and dynamically generated pages.

•Informs you of the status of your network. It provides phone pager

and email notification so that the network administrator can be paged or

emailed whenever a server or WebMux™ goes down, and when it returns

online. This feature could reduce server room night shift operator costs, or

timely repair should the server goes down unexpectedly.

The WebMux™ Model 480S, 580SG, and 680PG User Guide – Version 7.0.x

The WebMux™ Family

The 1U WebMux™ family consists of three models. They are:

•The WebMux™ 480S

•The WebMux™ 580SG

•The WebMux™ 680SP

The table below compares the features of the models.

Model Number: 480S 580SG 680SP

Speeds:

Copper Ethernet Speed 10/100 10/100/1000 10/100/1000

MAX. SSL Termination 1024

RSA Transaction/S 120 200 2000

Max SSL Terminated connection 5,000 10,000 20,000

Max Active SSL Certificates 16 16 16

Balancing Method:

Round-Robin Yes Yes Yes

Persistent Round-Robin Yes Yes Yes

Weighted Round-robin Yes Yes Yes

Persistent Weighted Round-

robin Yes Yes Yes

Least Connections Yes Yes Yes

Persistent Least Connections Yes Yes Yes

Weighted Least Connections Yes Yes Yes

Persistent Weighted Least

Connections Yes Yes Yes

Weighted Fast Response Yes Yes Yes

Persistent Weighted Fast

Response Yes Yes Yes

Layer 7 URI load directing Yes Yes Yes

Layer 7 URI load directing with

host name MIME header

matching and cookies

Yes Yes Yes

Layer 7 hashed URI load

directing Yes Yes Yes

Fault Tolerance:

Diskless Design Yes Yes Yes

Port aggregation Yes Yes Yes

Failover via Ethernet Yes Yes Yes

Service aware Yes Yes Yes

Server aware Yes Yes Yes

Backup server Yes Yes Yes

The WebMux™ Model 480S, 580SG, and 680PG User Guide – Version 7.0.x

Performance:

Maximum concurrent

connections 1,440,000 2,880,000 5,760,000

Maximum New Connections/S 7,000 40,000 50,000

Maximum throughput per second 200 MBit/s 1 GBit/s 2 Gbit/s

Maximum Internet Link Speed 2 X T3 1.5 X OC-12 1.5 X OC-12

Management:

Secure web browser access Yes Yes Yes

In service/Not in service Yes Yes Yes

Page alarms (ext modem req) Yes Yes Yes

Email Notification Yes Yes Yes

Configuration access Yes Yes Yes

Remote telnet access Yes Yes Yes

Persistent connections Yes Yes Yes

Port mapping Yes Yes Yes

Port-specific services Yes Yes Yes

Security Features

Network Address Translation Yes Yes Yes

Network Port Translation Yes Yes Yes

TCP SYN protection Yes Yes Yes

TCP DoS protection Yes Yes Yes

SSL support Yes Yes Yes

Device Support:

Maximum virtual farms 500 Unlimited Unlimited

Maximum real servers 65,532 65,532 65,532

Device's role in the network IP router IP router IP router

UDP-based service support Yes Yes Yes

Misc.

Overnight Exchange Unit Service Contract ServiceContract ServiceContract

Free Email/Phone Support Three Years Three Years Three Years

Warranty on Hardware/Firmware Three Years Three Years Three Years

Power Consumption 120W 200W 350W

115VAC Current 2.5A 3.5A 5A

Heat Production 350BTU/H 550BTU/H 800BTU/H

Power and Cooling Requirement

95 – 130VAC or 195-235VAC at 50-60Hz universal input power required.

Absolute operating temperature range is 0-40C. Recommended operation

ambient temperature should not to exceed 30C.

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