Cabletron Systems SmartSTACK 100 ELS100-24TX Istruzioni per l'installazione e il funzionamento

USER’S GUIDE ADDENDUM

SMARTSTACK ELS100-24

FIRMWARE REVISION 2.01

9033194

Cabletron Systems, Inc.

PO Box 5005

Rochester, N 03866-5005

This addendum is to be used in conjunction with the Installation and User Guide that ships

with the Cabletron SmartSTACK 100 ELS100-24TXG and/or ELS100-24TXM Ethernet

Switches.

This document contains proprietary information that is the property of Cabletron Systems,

Inc. No part of this publication may be reproduced, stored in a retrieval system, translated,

transcribed, or transmitted, in any form, or by any means, manual, electric, electronic, elec-

tromagnetic, mechanical, chemical, optical, or otherwise, without prior explicit written permis-

sion of Cabletron Systems, Inc. Furthermore, Cabletron Systems, Inc. reserves the right to

revise this publication and to make changes in content from time to time without obligation to

provide notification of such revision or changes.

Printed in the United States of America

Order Number: 9033194 August 1999

Cablet on Systems, SPECTRUM, LANVIEW, and Mic oMMAC are registered trademarks

and Sma tSwitch is a trademark of Cabletron Systems, Inc.

All other product names mentioned in this manual may be trademarks or registered trade-

marks of their respective companies.

9033194 Table Of Contents i

TABLE OF CONTENTS

SMARTSTACK ELS100-24 FIRMWARE REVISION 2.01 . . . . . . . . . . . . . . . . . . 1

A.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

A.2 User Interface Menu ierarchy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

A.3 SmartTrunking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Background . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

A.3.1 Configuring SmartTrunking: User Interface . . . . . . . . . . . . . . 5

A.3.1.1 SmartTrunking Configuration Menu. . . . . . . . . . . . . . . . . . . 5

A.3.1.2 Spanning Tree Trunk Configuration Menu . . . . . . . . . . . . . 9

A.3.2 Configuring SmartTrunking: Web-Based Management . . . . 11

A.3.2.1 SmartTrunking Configuration . . . . . . . . . . . . . . . . . . . . . . 11

A.4 alf Duplex Support on 100Base-FX Ports . . . . . . . . . . . . . . . . . . 13

A.5 Read-only Password Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

A.6 Disable Serial Console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

A.7 Syslog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

A.7.1 User Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

A.8 MIB Enhancements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

A.8.1 802.1p and 802.1Q MIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

A.8.2 Interfaces MIB: RFC 2233 . . . . . . . . . . . . . . . . . . . . . . . . . . 17

A.8.3 Cabletron Proprietary MIB . . . . . . . . . . . . . . . . . . . . . . . . . . 18

A.8.4 SmartTrunking MIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

A.9 Power Up Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

A.10 Web Management Enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

9033194 SmartSTACK ELS100-24 Firmware Revision 2.01 1

ADDENDUM A. SMARTSTACK ELS100-24

FIRMWARE REVISION 2.01

A.1 Int oduction

The Cabletron SmartSTACK ELS100-24 firmware revision 2.01 supports

the following models of the ELS100-24 product family:

•ELS100-24TX

•ELS100-24TXM

•ELS100-24TXG

Firmware revision 2.01 provides the following new features:

•SmartTrunking - Allows multiple physical ports of the switch to be

aggregated together to form a single logical connection between

network devices.

•alf-duplex support on 100Base-FX ports - Enables half duplex

operation on 100Base-FX ports.

•Read-only password - Adds an additional password option to the

user interface (serial console and Telnet) for read-only access.

•Disable serial console option - Adds a variable to SNMP allowing the

serial console of the switch to be disabled or enabled.

•Syslog feature - Allows various types of errors encountered by the

switch software to be logged to an external server.

•MIB Enhancements

- 802.1p and 802.1Q MIB: Adds partial support for the IETF MIBs

for configuring 802.1p (priority) and 802.1Q (VLANs).

- RFC 2233 MIB: Adds support for the Stack Table portion of RFC

2233, extensions to the Interfaces MIB.

- Cabletron MIB Extensions: Adds several new variables to the

Cabletron MIB.

- SmartTrunking MIB: Adds a new proprietary MIB for configuring

SmartTrunking.

The following two features were available in the previous Cabletron

SmartSTACK ELS100-24 firmware version, but were not documented:

•Power Up Diagnostics - Allows you to enable a switch functionality

self-test upon initialization.

•Web Management Enable - Allows you to enable switch

management over the web.

2 SmartSTACK ELS100-24 Firmware Revision 2.01 9033194

A.2 Use Inte face Menu Hie a chy

Figure A-1 shows the user interface hierarchy for the Cabletron

SmartSTACK ELS100-24, firmware revision 2.01.

Figu e A-1. Use Inte face Menu Hie a chy

System

Configuration

SNMP Configuration Menu

System Name

System Location

System Contact

IP Address

Subnet Mask

Default Gateway

BootP/D CP Enable

Screen Timeout (minutes)

READ/WRITE Password

READ ONLY Password

Terminal Baud Rate

Power Up Diagnostics

Syslog Server IP Address

Lowest Syslog Severity Level

Web Management Enable

Switch

Configuration

Forwarding Table Configuration Menu

Spanning Tree Configuration Menu

VLAN Configuration Menu

Forwarding Table Aging Time (seconds)

Broadcast Cutoff Rate

Port Mirroring Enable

Mirrored Port Transmit Data Mirror Enable

Mirroring Port Receive Data Mirror Enable

Class of Service Configuration Menu

Trunking Configuration Menu

Port Menu ID

Port Name

Enable Status

Link Status

Auto Negotiated Status

Full Duplex Status

Speed (10/100Mbps)

Type

Flow Control Status

Configure

Switch

Statistics

Screen

Transmitted

Received

Forwarded

Filtered

Dropped

Errored

Switch Summary

Port Statistics

Trunking Statistics

General

Information

Screen

Software Version

Serial Number

Base MAC Address

Up Time (minutes)

Power Up Count

Download Software Menu

Save Current Configuration

Return to Default Configuration

Logout

Reset

VLAN Enable

VLAN Menu

VLAN Port Menu

VLAN Name

Ports in VLAN

VLAN Egress Ports

Configure

Port ID

Port Name

Type

Modify Port Type

Port #n Statistics

Port ID

Port Name

Priority Default

Configure

Port ID

Port Name

Path Cost

Port Priority

Port State

Select Port

SNMP Private Community Name

SNMP Public Community Name

Trap Destination #1-4

Community Name #1-4

Display Table

Make Entry Static

Add Static Entry

Delete Static Entry

Modify Static Entry

Search by Port#

Search by MAC Address

Spanning Tree Protocol Enable

Port Configuration Menu

ello Time (seconds)

Forward Delay (seconds)

Max Age (seconds)

Bridge Priority

SmartTrunking Configuration Menu

Class of Service Enable

Priority Threshold

Configure Port Priority

Frames Transmitted

Frames Received

Frames Forwarded

Frames Filtered

Frames Dropped

Frames Errored

Frames Transmitted Collisions

Frames Received Late Collisions

Frames Forwarded CRC/Alignment Errors

Frames Filtered Undersized Frames

Frames Dropped Oversized Frames

Broadcasts Transmitted Fragments

Broadcasts Received Jabbers

Multicasts Transmitted 64 Byte Frames

Multicasts Received 65 to 127 Byte Frames

Bytes Transmitted 128 to 255 Byte Frames

Bytes Received 256 to 511 Byte Frames

Pause Frames Transmitted 512 to 1023 Byte Frames

Pause Frames Received 1024 to 1518 Byte Frames

Name

Ports in Trunk

Configure

Trunk Number

Add Ports

Remove Ports

Smart Trunk Name

Protocol Enable

9033194 SmartSTACK ELS100-24 Firmware Revision 2.01 3

A.3 Sma tT unking

SmartTrunking is a link aggregation feature that allows multiple physical

ports of the switch to be aggregated together to form a single logical

connection between network devices. All physical connections in the

logical connection carry traffic, as compared with previous software

versions in which Spanning Tree would block all traffic on all but one of

the physical connections.

Backg ound

A trunk is a group of ports that perform as a single logical port, connecting

the ELS100-24 switch with another network device. Compared with a

single port, the group of ports in a trunk feature increased bandwidth and

provide a level of connection resiliency - when one physical port link in the

trunk group goes down, the overall connection is not lost. When a port in

a trunk group is removed (link goes down or a cable is severed), traffic on

that port will be redistributed to other ports in the trunk group.

In the example in Figure A-2 below, three switches are connected

(stacked) through a series of trunk groups. Two physical ports are

combined to form each trunk group. The fiber ports in the top switch form

Trunk 1 which carries traffic to the network backbone.

Figu e A-2. T unking Application Example

SmartTrunking uses the DEC unt Group protocols - PLAP and LLAP -

to automatically establish and maintain a trunk connection. Use of these

protocols can be enabled or disabled as desired. When the protocols are

4 SmartSTACK ELS100-24 Firmware Revision 2.01 9033194

enabled, the switch is SmartTrunk-compliant and will automatically

configure to work with Cabletron products such as a Smart Switch Router

(SSR), SmartSwitch, SmartSTACK, etc. When the protocols are disabled,

the switch can be manually configured to interoperate with trunking

implementations used by other vendors.

SmartTrunking support in firmware revision 2.01 follows these

configuration rules:

•There can be up to 2 trunk groups configured per switch cluster

(group of 8 ports).

•Individual trunk groups can be defined only in one cluster, not across

clusters.

•There can be from 2-8 ports defined per trunk group.

•There can be up to 6 trunk groups defined per switch.

•Ports in a trunk group can operate in any combination of speed and

duplex mode (10 half with 100 full, for example).

•Ports in a trunk group must be in the same VLAN and have the same

VLAN mode (hybrid/access).

•The Gigabit Ethernet ports on the ELS100-24TXG cannot be

trunked.

Further information on SmartTrunking can be found in the Cabletron

Systems SmartTrunk User’s Guide. To examine this guide, see the

Cabletron Systems user manual website at:

http://www.cabletron.com/support/manuals

The implementation of SmartTrunking in firmware version 2.01 on the

ELS100-24 product line differs in several ways from the information

contained in the SmartTrunk User's Guide. The primary differences in the

ELS100-24 implementation are as follows:

•Full load balancing of traffic across ports in a trunk is not supported.

Unicast traffic is sent to the same port that the destination MAC

address of the packet was learned.

•Although it is highly recommended, Spanning Tree does not have to

be enabled to use SmartTrunking.

•The ports in a trunk are not required to operate in full duplex mode,

but can be operated in any combination of half duplex or full duplex.

•If a port in a trunk goes down, traffic on that port is redirected onto

other links in the trunk whether protocols are enabled or disabled.

•If protocols are disabled, inadvertently configuring a user-attached

port to a SmartTrunking trunk group will not result in the user losing

network connectivity.

•The concept of logical ports, each comprised of the physical ports in

a trunk group, is not implemented. In both the User Interface and

SNMP, both physical port and trunk numbers can be accessed.

owever, port-related configuration features, such as port mirroring,

VLANs, Class of Service, and Spanning Tree, are performed only on

a physical port basis, not a logical port (trunk) basis.

9033194 SmartSTACK ELS100-24 Firmware Revision 2.01 5

A.3.1 Configu ing Sma tT unking: Use Inte face

SmartTrunking can be configured through the user interface.

A.3.1.1 Sma tT unking Configu ation Menu

To configure Trunking, do the following:

1. Select Switch Configuration Menu from the Main Menu.

2. Select Trunking Configuration Menu. Figure A-3 shows the Trunking

Configuration menu.

Figu e A-3. T unking Configu ation Menu

Po ts that a e membe s of a t unk g oup a e indicated as

such by an aste isk ’ * ’ next to the po t numbe on the Po t

Menu of the use inte face.

TRUNKING CONFIGURATION Access Control: READ/WRITE

Trunking Enabled Yes

Trunking Protocol Yes

ID NAME PORTS IN TRUNK

---------------------------------------------------------------------------------------------

d. Protocol Enable e. Enable x. Previous Menu

Enter Selection:

6 SmartSTACK ELS100-24 Firmware Revision 2.01 9033194

Table A-1 describes fields and options available in the Trunking

Configuration menu.

Table A-1. T unking Configu ation Menu Desc iption

3. Select c from the Trunking Configuration menu to configure trunking.

The following message appears:

Enter Trunk Number (1-6):

4. Enter a trunk group number. In this example, enter the number 1.

Press [Enter].

Figure A-4 shows the Trunk Configuration menu with trunk group number

Figu e A-4. T unk Configu ation Menu

Fields/Options Desc iption

Trunking Enabled Indicates whether trunking is enabled (Yes) or disabled

(No).

Trunking Protocol Indicates whether trunking protocols are enabled (Yes)

or disabled (No).

ID Lists the trunk group ID number.

Name Lists the trunk group name (1-14 characters).

Ports inTrunk Lists the ports in the trunk group.

Configure Option that allows you to create a new, or configure an

existing, trunk group.

Delete Option that allows you to delete an existing trunk

group.

TRUNK 1 CONFIGURATION Access Control: READ/WRITE

Name

Trunk Status CONNECTED

Trunking Protocol No

PORT ENABLED LINK STATUS

---------------------------------------------------------------------------------------------

a. Add Port(s) b. Remove Port(s) c. Trunk Name

d. Protocol Enable x. Previous Menu

c. Configure d. Delete x. Previous Menu

Enter Selection:

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