SMC Networks 6900FSC FICHE User manual

Stackable Fast Ethernet Switch
◆ 12/24 10BASE-T/100BASE-TX ports
◆ Optional 100BASE-FX or 1000BASE-SX modules
◆ Optional stack module for linking up to four units
◆ 8.8 Gbps of aggregate switch bandwidth
◆ Support for redundant power unit
◆ Up to five port trunks per switch
◆ Port mirroring for non-intrusive analysis
◆ QoS support for two-level priority
◆ Full support for VLANs with GVRP
◆ IP Multicasting with IGMP Snooping
◆ Manageable via console, Web, SNMP/RMON
TigerSwitch 10/100
Installation Guide
SMC6912M
SMC6924M

6 Hughes
Irvine, CA 92618
Phone: [phone]
TigerSwitch 10/100
Installation Guide
From SMC’s Tiger line of feature-rich workgroup LAN solutions
February 2001
Pub. # F2.42 150070-102 R05

Information furnished by SMC Networks, Inc. (SMC) is believed to
be accurate and reliable. However, no responsibility is assumed by
SMC for its use, nor for any infringements of patents or other rights
of third parties which may result from its use. No license is granted
by implication or otherwise under any patent or patent rights of
SMC. SMC reserves the right to change specifications at any time
without notice.
Copyright © 2001 by
SMC Networks, Inc.
6 Hughes
Irvine, CA 92618
All rights reserved. Printed in Taiwan
Trademarks:
SMC is a registered trademark; and EZ Switch, TigerStack and TigerSwitch are trademarks of
SMC Networks, Inc. Other product and company names are trademarks or registered
trademarks of their respective holders.

L IMITED W ARRANTY
Limited Warranty
Limited Warranty Statement: SMC Networks, Inc. (“SMC”) warrants its products
to be free from defects in workmanship and materials, under normal use and
service, for the applicable warranty term. All SMC products carry a standard 90-day
limited warranty from the date of purchase from SMC or its Authorized Reseller.
SMC may, at its own discretion, repair or replace any product not operating as
warranted with a similar or functionally equivalent product, during the applicable
warranty term. SMC will endeavor to repair or replace any product returned under
warranty within 30 days of receipt of the product.
The standard limited warranty can be upgraded to a Limited Lifetime* warranty by
registering new products within 30 days of purchase from SMC or its Authorized
Reseller. Registration can be accomplished via the enclosed product registration
card or online via the SMC web site. Failure to register will not affect the standard
limited warranty. The Limited Lifetime warranty covers a product during the Life of
that Product, which is defined as the period of time during which the product is an
“Active” SMC product. A product is considered to be “Active” while it is listed on
the current SMC price list. As new technologies emerge, older technologies become
obsolete and SMC will, at its discretion, replace an older product in its product line
with one that incorporates these newer technologies. At that point, the obsolete
product is discontinued and is no longer an “Active” SMC product. A list of
discontinued products with their respective dates of discontinuance can be found at
http://www.smc.com/smc/pages_html/support.html.
All products that are replaced become the property of SMC. Replacement products
may be either new or reconditioned. Any replaced or repaired product carries
either a 30-day limited warranty or the remainder of the initial warranty, whichever
is longer. SMC is not responsible for any custom software or firmware,
configuration information, or memory data of Customer contained in, stored on, or
integrated with any products returned to SMC pursuant to any warranty. Products
returned to SMC should have any customer-installed accessory or add-on
components, such as expansion modules, removed prior to returning the product
for replacement. SMC is not responsible for these items if they are returned with the
product.
Customers must contact SMC for a Return Material Authorization number prior to
returning any product to SMC. Proof of purchase may be required. Any product
returned to SMC without a valid Return Material Authorization (RMA) number
clearly marked on the outside of the package will be returned to customers at
customer’s expense. For warranty claims within North America, please call our
toll-free customer support number at [phone]. Customers are responsible for
all shipping charges from their facility to SMC. SMC is responsible for return
shipping charges from SMC to customer.
WARRANTIES EXCLUSIVE: IF AN SMC PRODUCT DOES NOT OPERATE AS
WARRANTED ABOVE, CUSTOMER’S SOLE REMEDY SHALL BE REPAIR OR
REPLACEMENT OF THE PRODUCT IN QUESTION, AT SMC’S OPTION. THE
FOREGOING WARRANTIES AND REMEDIES ARE EXCLUSIVE AND ARE IN LIEU

L IMITED W ARRANTY
OF ALL OTHER WARRANTIES OR CONDITIONS, EXPRESS OR IMPLIED, EITHER
IN FACT OR BY OPERATION OF LAW, STATUTORY OR OTHERWISE, INCLUDING
WARRANTIES OR CONDITIONS OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE. SMC NEITHER ASSUMES NOR AUTHORIZES ANY OTHER
PERSON TO ASSUME FOR IT ANY OTHER LIABILITY IN CONNECTION WITH
THE SALE, INSTALLATION, MAINTENANCE OR USE OF ITS PRODUCTS. SMC
SHALL NOT BE LIABLE UNDER THIS WARRANTY IF ITS TESTING AND
EXAMINATION DISCLOSE THE ALLEGED DEFECT IN THE PRODUCT DOES NOT
EXIST OR WAS CAUSED BY CUSTOMER’S OR ANY THIRD PERSON’S MISUSE,
NEGLECT, IMPROPER INSTALLATION OR TESTING, UNAUTHORIZED ATTEMPTS
TO REPAIR, OR ANY OTHER CAUSE BEYOND THE RANGE OF THE INTENDED
USE, OR BY ACCIDENT, FIRE, LIGHTNING, OR OTHER HAZARD.
LIMITATION OF LIABILITY: IN NO EVENT, WHETHER BASED IN CONTRACT OR
TORT (INCLUDING NEGLIGENCE), SHALL SMC BE LIABLE FOR INCIDENTAL,
CONSEQUENTIAL, INDIRECT, SPECIAL, OR PUNITIVE DAMAGES OF ANY KIND,
OR FOR LOSS OF REVENUE, LOSS OF BUSINESS, OR OTHER FINANCIAL LOSS
ARISING OUT OF OR IN CONNECTION WITH THE SALE, INSTALLATION,
MAINTENANCE, USE, PERFORMANCE, FAILURE, OR INTERRUPTION OF ITS
PRODUCTS, EVEN IF SMC OR ITS AUTHORIZED RESELLER HAS BEEN ADVISED
OF THE POSSIBILITY OF SUCH DAMAGES.
SOME STATES DO NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES OR
THE LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
CONSUMER PRODUCTS, SO THE ABOVE LIMITATIONS AND EXCLUSIONS MAY
NOT APPLY TO YOU. THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS,
WHICH MAY VARY FROM STATE TO STATE. NOTHING IN THIS WARRANTY
SHALL BE TAKEN TO AFFECT YOUR STATUTORY RIGHTS.
* SMC will provide warranty service for one year following discontinuance from the
active SMC price list. Under the limited lifetime warranty, internal and external
power supplies, fans, and cables are covered by a standard one-year warranty from
date of purchase.
SMC Networks, Inc.
6 Hughes
Irvine, CA 92618

i
C OMPLIANCES
FCC - Class A
This equipment generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction manual, may cause interference to
radio communications. It has been tested and found to comply with the limits for a
Class A computing device pursuant to Subpart B of Part 15 of FCC Rules, which are
designed to provide reasonable protection against such interference when operated in a
commercial environment. Operation of this equipment in a residential area is likely to
cause interference, in which case the user, at his own expense, will be required to take
whatever measures may be required to correct the interference. You are cautioned that
changes or modifications not expressly approved by the party responsible for
compliance could void your authority to operate the equipment.
You may use unshielded twisted-pair (UTP) cable for RJ-45 connections
— Category 3 or
greater for 10 Mbps connections and Category 5 for 100 Mbps connections. Use 50/125
or 62.5/125 micron multimode fiber optic cable for SC or ST-type connections.
Warnings 1. Wear an anti-static wrist strap or take other suitable measures to prevent
electrostatic discharge when handling this equipment.
2. When connecting this hub to a power outlet, connect the field ground
lead on the tri-pole power plug to a valid earth ground line to prevent
electrical hazards.
EC Conformance Declaration - Class A
SMC contact for these products in Europe is:
SMC Networks Europe,
Edificio Conata II,
Calle Fructuós Gelabert 6-8, 2o, 4a,
08970 - Sant Joan Despí,
Barcelona, Spain.
This information technology equipment complies with the requirements of the Low
Voltage Directive 73/23/EEC and the EMC Directive 89/336/EEC, and carries the CE
Mark accordingly. It conforms to the following specifications:
EMC: EN55022 (1988)/CISPR-22 (1995) Class A
IEC 1000-4-2 4 kV CD, 8 kV AD
IEC 1000-4-3 (1995) 3 V/m
IEC 1000-4-4 (1995) 1.0 kV - (power line)
0.5 kV - (signal line)
IEC 1000-4-6 (1995) 3 Vrms

C OMPLIANCES
ii
Industry Canada - Class A
This digital apparatus does not exceed the Class A limits for radio noise emissions from
digital apparatus as set out in the interference-causing equipment standard entitled
“Digital Apparatus,” ICES-003 of the Department of Communications.
Cet appareil numérique respecte les limites de bruits radioélectriques applicables aux
appareils numériques de Classe A prescrites dans la norme sur le matériel brouilleur:
“Appareils Numériques,” NMB-003 édictée par le ministère des Communications.
Japan VCCI Class A
Taiwan BSMI Class A
Australia AS/NZS 3548 (1995) - Class A
SMC contact for products in Australia is:
SMC Communications Pty. Ltd.
Suite 18, 12 Tryon Road,
Lindfield NSW2070,
Phone: [phone]
Fax: [phone]

C OMPLIANCES
iii
Safety Compliance
Warning: Fiber Optic Port Safety
Avertissment: Ports pour fibres optiques - sécurité sur le
plan optique
Warnhinweis: Faseroptikanschlüsse - Optische Sicherheit
Underwriters Laboratories Compliance Statement
Important! Before making connections, make sure you have the correct cord set.
Check it (read the label on the cable) against the following:
The unit automatically matches the connected input voltage. Therefore, no additional
adjustments are necessary when connecting it to any input voltage within the range
marked on the rear panel.
When using a fiber optic port, never look at the transmit laser
while it is powered on. Also, never look directly at the fiber TX
port and fiber cable ends when they are powered on.
Ne regardez jamais le laser tant qu'il est sous tension. Ne
regardez jamais directement le port TX (Transmission) à fibres
optiques et les embouts de câbles à fibres optiques tant qu'ils
sont sous tension.
Niemals ein Übertragungslaser betrachten, während dieses
eingeschaltet ist. Niemals direkt auf den Faser-TX-Anschluß und
auf die Faserkabelenden schauen, während diese eingeschaltet
sind.
Operating Voltage Cord Set Specifications
120 Volts UL Listed/CSA Certified Cord Set
Minimum 18 AWG
Type SVT or SJT three conductor cord
Maximum length of 15 feet
Parallel blade, grounding type attachment plug
rated 15A, 125V
240 Volts (Europe only) Cord Set with H05VV-F cord having three
conductors with minimum diameter of 0.75 mm2
IEC-320 receptacle
Male plug rated 10A, 250V

C OMPLIANCES
iv
Wichtige Sicherheitshinweise (Germany)
1. Bitte lesen Sie diese Hinweise sorgfältig durch.
2. Heben Sie diese Anleitung für den späteren Gebrauch auf.
3. Vor jedem Reinigen ist das Gerät vom Stromnetz zu trennen. Verwenden Sie keine
Flüssigoder Aerosolreiniger. Am besten eignet sich ein angefeuchtetes Tuch zur
Reinigung.
4. Die Netzanschlu ßsteckdose soll nahe dem Gerät angebracht und leicht zugänglich
sein.
5. Das Gerät ist vor Feuchtigkeit zu schützen.
6. Bei der Aufstellung des Gerätes ist auf sicheren Stand zu achten. Ein Kippen oder
Fallen könnte Beschädigungen hervorrufen.
7. Die Belüftungsöffnungen dienen der Luftzirkulation, die das Gerät vor Überhitzung
schützt. Sorgen Sie dafür, daß diese Öffnungen nicht abgedeckt werden.
8. Beachten Sie beim Anschluß an das Stromnetz die Anschlußwerte.
9. Verlegen Sie die Netzanschlußleitung so, daß niemand darüber fallen kann. Es sollte
auch nichts auf der Leitung abgestellt werden.
10. Alle Hinweise und Warnungen, die sich am Gerät befinden, sind zu beachten.
11. Wird das Gerät über einen längeren Zeitraum nicht benutzt, sollten Sie es vom
Stromnetz trennen. Somit wird im Falle einer Überspannung eine Beschädigung
vermieden.
12. Durch die Lüftungsöffnungen dürfen niemals Gegenstände oder Flüssigkeiten in das
Gerät gelangen. Dies könnte einen Brand bzw. elektrischen Schlag auslösen.
13. Öffnen sie niemals das Gerät. Das Gerät darf aus Gründen der elektrischen
Sicherheit nur von authorisiertem Servicepersonal geöffnet werden.
14. Wenn folgende Situationen auftreten ist das Gerät vom Stromnetz zu trennen und
von einer qualifizierten Servicestelle zu überprüfen:
a. Netzkabel oder Netzstecker sind beschädigt.
b. Flüssigkeit ist in das Gerät eingedrungen.
c. Das Gerät war Feuchtigkeit ausgesetzt.
d. Wenn das Gerät nicht der Bedienungsanleitung entsprechend funktioniert oder
Sie mit Hilfe dieser Anleitung keine Verbesserung erzielen.
e. Das Gerät ist gefallen und/oder das Gehäuse ist beschädigt.
f. Wenn das Gerät deutliche Anzeichen eines Defektes aufweist.
15. Zum Netzanschluß dieses Gerätes ist eine geprüfte Leitung zu verwenden. Für einen
Nennstrom bis 6A und einem Gerätegewicht größer 3kg ist eine Leitung nicht
leichter als H05VV-F, 3G, 0.75mm
2
einzusetzen.
Der arbeitsplatzbezogene Schalldruckpegel nach DIN 45 635 Teil 1000 beträgt 70dB(A)
oder weniger.

v
T ABLE OF C ONTENTS
1 About the TigerSwitch 10/100 . . . . . . . . . . . . . . 1-1
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Switch Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Management Options . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Description of Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
10BASE-T/100BASE-TX Ports (SMC6912M/SMC6924M) . . 1-3
Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Network Management Module . . . . . . . . . . . . . . . . . . . 1-5
Spanning Tree Protocol . . . . . . . . . . . . . . . . . . . . . 1-6
VLANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Multicast Switching . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Traffic Priority . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Optional Media Extender Modules . . . . . . . . . . . . . . . . 1-7
Optional 100BASE-FX Module (SMC6900FSC) . . . . . 1-7
Optional 1000BASE-SX Module (SMC6900G) . . . . . . 1-8
Optional Stack Module (SMC6900S) . . . . . . . . . . . . 1-8
Optional Redundant Power Unit (SMCRPU150W) . . . . . 1-8
Power Supply Receptacles . . . . . . . . . . . . . . . . . . . . . . 1-9
Features and Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
Connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
Expandability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
2 Network Planning . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Introduction to Switching . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Sample Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Collapsed Backbone . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Central Wiring Closet . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Remote Connections with Fiber Cable . . . . . . . . . . . . . . 2-4
Making VLAN Connections . . . . . . . . . . . . . . . . . . . . . . 2-5
Connectivity Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
1000 Mbps Gigabit Ethernet Collision Domain . . . . . . . . 2-6
Maximum 1000BASE-SX Fiber Optic Cable Distance 2-6
100 Mbps Fast Ethernet Collision Domain . . . . . . . . . . . 2-7
SMC 3-2 Rule for Class II Repeaters . . . . . . . . . . . . . 2-7

T ABLE OF C ONTENTS
vi
SMC 2-1 Rule for Class I Repeaters . . . . . . . . . . . . 2-7
Maximum Network Diameter Using Repeaters . . . . 2-7
Maximum Fast Ethernet Cable Distance . . . . . . . . . 2-7
10 Mbps Ethernet Collision Domain . . . . . . . . . . . . . . . 2-8
SMC 5-4-3 Rule . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Maximum Ethernet Cable Distance . . . . . . . . . . . . 2-8
Application Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
3 Installing the Switch . . . . . . . . . . . . . . . . . . . . . .3-1
Selecting a Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Equipment Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Package Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Optional Rack-Mounting Equipment . . . . . . . . . . . . . . . 3-2
Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Rack Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Desktop or Shelf Mounting . . . . . . . . . . . . . . . . . . . . . 3-5
Stacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Connecting to a Power Source . . . . . . . . . . . . . . . . . . . . . . . 3-7
4 Making Network Connections . . . . . . . . . . . . . .4-1
Connecting Network Devices . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Twisted-Pair Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Cabling Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Connecting to PCs, Servers, Hubs and Switches . . . . . . 4-3
Wiring Closet Connections . . . . . . . . . . . . . . . . . . . . . . 4-4
Fiber Optic Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
A Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . .A-1
Diagnosing Switch Indicators . . . . . . . . . . . . . . . . . . . . . . . . A-1
Power and Cooling Problems . . . . . . . . . . . . . . . . . . . . . . . . A-2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
In-Band Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
B Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .B-1
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
Twisted-Pair Cable and Pin Assignments . . . . . . . . . . . . . . . . B-2
100BASE-TX/10BASE-T Pin Assignments . . . . . . . . . . . . B-3

T ABLE OF C ONTENTS
vii
Straight-Through Wiring . . . . . . . . . . . . . . . . . . . . .B-3
Crossover Wiring . . . . . . . . . . . . . . . . . . . . . . . . . .B-4
Console Port Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . .B-5
DB-9 Port Pin Assignments . . . . . . . . . . . . . . . . . . . . . .B-6
Console Port to 9-Pin COM Port on PC . . . . . . . . . . . . .B-6
Console Port to 25-Pin DCE Port on Modem . . . . . . . . .B-6
Console Port to 25-Pin DTE Port on PC . . . . . . . . . . . . .B-7
C Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1
Physical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-1
Switch Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-3
Management Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-4
Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-5
Compliances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-5
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-5
Slide-in Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-6
100BASE-FX Extender Module . . . . . . . . . . . . . . . . . . .C-6
1000BASE-SX Extender Module . . . . . . . . . . . . . . . . . . .C-6
Stack Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-7
D Ordering Information . . . . . . . . . . . . . . . . . . . . . D-1
Glossary
Index

T ABLE OF C ONTENTS
viii

1-1
C HAPTER 1
A BOUT THE
T IGER S WITCH 10/100
Overview
SMC’s TigerSwitch™10/100 is a stackable switch with 12 or 24
10BASE-T/100BASE-TX ports, plus two slots for optional slide-in
100BASE-FX or 1000BASE-SX modules. One of these slots can also
be used for an optional stacking module that allows you attach up
to four switches to a 4.8 Gbps high-speed backplane. There is also
an SNMP-based Network Management Module installed in the rear
panel. This module supports both in-band and out-of-band access
for managing the switch and the attached stack. (One module only
must be installed in one switch to manage the stack.)
SMC6912M – 12-Port Switch
SMC6924M
– 24-Port Switch
Figure 1-1. Front Panels

A BOUT THE T IGER S WITCH 10/100
1-2
Rear Panel (Both Models)
Figure 1-2. Rear Panel
100BASE-FX Fiber Module
1000BASE-SX Gigabit Module Stack Module
Figure 1-3. Optional Modules
Switch Architecture
The TigerSwitch employs a high-speed switching fabric. This design
allows for simultaneous transport of multiple packets at low latency
on all ports. It also uses store-and-forward switching to ensure
maximum data integrity. In this mode, the entire packet must be
received into a port buffer and checked for validity before being
forwarded. This prevents errors from being propagated throughout
the network. This switch also features full-duplex capability on all
ports, which effectively doubles the bandwidth of each connection.
This TigerSwitch can be used in a standalone configuration, or can
be stacked up to four high to form a single logical switch with up to
104 ports. When stacked, the 4.8 Gbps stack backplane provides
enough bandwidth for the most demanding environment. Moreover,
you can use a 100 Mbps fiber module for connecting to a remote
site, or a Gigabit module for a high-speed backbone connection.

A BOUT THE T IGER S WITCH 10/100
1-3
Management Options
This switch contains a comprehensive array of LEDs for
“at-a-glance”monitoring of network and port status. It also
includes a Network Management Module that allows the entire
stack to be managed in-band via SNMP or RMON (Groups 1, 2, 3
and 9) protocols, with a Web browser, or remotely via Telnet. The
switch also provides a serial port on the rear panel for out-of-band
management.
Note: Only one Network Management Module must be installed
in the stack for the current firmware release.
Description of Hardware
10BASE-T/100BASE-TX Ports (SMC6912M/SMC6924M)
These ports are dual-speed RJ-45 ports with built-in wiring
crossovers (MDI-X). Workstations and servers can be connected to
these ports with straight-through cable. When connecting to
another switch or a hub, you can use straight-through cable to
connect to a port on the attached device that does not have
built-in wiring crossovers (MDI), or use crossover cabling. (See
Appendix B for a pinout description of crossover cable.)
Each of these ports support auto-negotiation, so the optimum
transmission mode (half or full duplex), and data rate (10 or 100
Mbps) can be selected automatically. If a device connected to one
of these ports does not support auto-negotiation, the
communication mode of that port can be configured manually.
Each port also supports IEEE 802.3x auto-negotiation of flow
control, so the switch can automatically prevent port buffers from
becoming saturated.

A BOUT THE T IGER S WITCH 10/100
1-4
Status LEDs
The LEDs, which are located on the front panel for easy viewing,
are shown below and described in the following table.
Figure 1-4. Port and System LEDs
Port and System Status LEDs
LED Condition Status
Power On Switch is receiving power.
RDP On Redundant power is on, and the RPU is in
backup or active mode.
Off Redundant power is off or has failed.
Mgmt On Agent is operational.
RJ-45 Ports
Link On Port has established a valid network
connection.
Green Valid 10 Mbps connection.
Yellow Valid 100 Mbps connection.
Flashing Port has been partitioned due to an
abnormal network condition, or manually
disabled.
Act* On Traffic is passing through the port.
FDX* On Port is operating at full duplex.
Off Port is operating at half duplex.
FC* On Flow control enabled.
* Use the Mode Select button to select the LED display mode.

A BOUT THE T IGER S WITCH 10/100
1-5
Network Management Module
Figure 1-5. Network Management Module
This switch includes a Network Management Module on the rear
panel. This module can manage the switch and the attached stack.
It offers a variety of management options, including SNMP, RMON
and a Web-based interface. This module also includes an RS-232
port for out-of-band management. This is an RS-232 serial port
with a DB-9 connector. A PC may be connected to this port for
configuration and monitoring purposes out-of band via a full-
handshaking null modem cable. You can also make a remote
connection to this port via modems. This allows you to access the
out-of-band interface. (See Appendix B for a description of wiring
options.)
The Network Management Module provides a wide range of
advanced performance-enhancing features. Multicast filtering
provides support for real-time network applications. Port-based
and tagged VLANs, plus support for automatic GVRP VLAN
registration provide traffic security and efficient use of network
bandwidth. QoS priority queueing ensures the minimum delay for
moving real-time multimedia data across the network. Flow control
Module Ports
Status On A module is installed in this slot.
Activity On Traffic is passing through the module.
Port and System Status LEDs
LED Condition Status

A BOUT THE T IGER S WITCH 10/100
1-6
eliminates the loss of packets due to bottlenecks caused by port
saturation. And broadcast storm control prevents broadcast traffic
storms from engulfing the network.
Some of this switch’s advanced features are described below. For a
detailed description, refer to the Management Guide.
Spanning Tree Protocol
The TigerSwitch 10/100 supports IEEE 802.1D Spanning Tree
Protocol. This protocol adds a level of fault tolerance by allowing
two or more redundant connections to be created between a pair
of LAN segments. When there are multiple physical paths between
segments, this protocol will choose a single path and disable all
others to ensure that only one route exists between any two
stations on the network. This prevents the creation of network
loops. However, if the chosen path should fail for any reason, an
alternate path will be activated to maintain the connection.
The default setting for the Spanning Tree Protocol is “enabled.”
This protocol may be configured out-of-band via the serial console
port, or in-band via the Web interface, Telnet, or SNMP network
management software.
VLANs
The TigerSwitch 10/100 supports up to 256 VLANs. A Virtual LAN
is a collection of network nodes that share the same collision
domain regardless of their physical location or connection point in
the network. By segmenting your network into VLANs, you can:
•Eliminate broadcast storms which severely degrade
performance in a flat network.
•Simplify network management for node changes/moves by
remotely configuring VLAN membership for any port, rather
than having to manually change the node’s IP address.