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MSH S
1005
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guide.
The following table shows where to find specific information in this
How to Use This Guide
Conventions
list text and icon conventions that are used
throughout this guide:
Table 2
and
Related Publications
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About the LinkBuilder MSH
About the MSH Switch 1005
Summary of Features
Port Connections
Adding an Expansion Module
Switch Operation and Features
How the Switch Compares to a Bridge
:
Switch 1005
The table below shows how a packet is processed when it arrives at the
To best suit your networking requiremen ts, the Switch 1005 allows you
to set one of four frame forwarding modes:
operate in Store and Forward mode until the error count returns to 0.
1005 detects more than 18 packets per second with errors, it will
with errors, it will operate in Fast Forward mode. As soon as the Switch
Intelligent Flow Management
Full Duplex
Security
Virtual LANs (VLANs)
Resilient Links
PACE
You can enable PACE on the whole Switch 1005
or on an
in Chapter 3.
Port Setup
and
MSH Switch 1005 on Your Network
Server Connections
Network Configuration Examples
Figure 1-1
shows how the Switch 1005 fits into a large corporate
each floor and servers are centralized in the basement.
network with a Fast Ethernet infrastructure. A Switch is positioned on
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Figure 1-3
shows the Switch 1005 used for a group of heavy-traffic
connected via a 100Mbps Fast Ethernet link.
desktop with a single end-station per switch port. Local servers are
users in a large corporate network. Here, switching is brought to the
Configuration Rules for Fast Ethernet
Configuration Rules with Full Duplex
Switch Overview Front Panel
LEDs
For information on using the LEDs for fault diagnosis, please see
in Chapter 6.
Identifying Fault Conditions with the LEDs
Transceiver Module slot
10BASE-T Ports
Switch Overview PCB View
Transceiver Module Connector [1]
Expansion Module Fixing Posts [2]
Switch Defaults
:
The following table shows factory defaults for the MSH Switch 1005
odule
These connectors engage with the backplane located in the MSH chassis.
Setting Up the MSH Switch 1005 for Management
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Pre-installation Configuration
Before installing the Switch 1005 into the chassis, ensure it is
Figure 2-1
The links are located on the Switch 1005 PCB as shown in
connections.
Table 2 -1
shows possible configurations for LK1 - LK5. You may have
replaced with another one.
the chassis is reset or powered off/on, or if the Switch 1005 module is
changes made through management software. This is the case, even if
Advice for Setting Backplane Connections and Avoiding Loops
Considerable care should be taken when setting backplane
connection in a different VLAN on each Switch.
If you have implemented multiple VLANs, put ea ch internal Ethernet
effectively by connecting one internal Ethernet connection to each
Fitting a Transceiver Module
Fitting an Expansion Module
Switch 1005 Installation and Removal
Installing the Switch 1005
Removing the Switch 1005
Operation after Power-up
In a Managed System
In a managed MSH chassis, operation of the Switch 1005 is the same,
them when the MSH chassis and Management Module are powered on.
Switch 1005 modules correctly when they are inserted, you must insert
To ensure that the Management Module can see and configure new
Setting up the Switch 1005
Using the VT100 Interface
Page
If you are using Telnet or a terminal emulation program you may find
that some of the Control keys do not operate or that they activate other
terminal emulation software before using the Control keys.
functions. Check carefully in the manual accompanying your Telnet or
Using Telnet
Once you have specified the modules IP parameters, yo u can use any
advice.
have the correct MIB. Contact your local support representative for
a Network Manager from another vendor, you will need to ensure you
Accessing the Switch 1005 VT100 Interface
Logging On
LinkBuilder
case-sensitive.
Enter your user name and password. Note that the y are both
5
If you are logging on for the first time (after installation or initialization),
use a default user name and password to match your access
.
Figure 2-4
Menu appears as shown in
From here, you can select the options needed to manage the module.
Access to options depends on the access level you have been assigned.
parameters. This is described in the followi ng section.
You should select the MANAGEMENT SETUP option to assign IP
on page 2-21.
Switch 1005 Management Setup
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Logging Off
Auto Logou t
If you connected to the Switch 1005 via the MSH Management Module
screens, the LinkBuilder MSH Address Table screen is displayed once you
have entered the correct password.
Setting Up Users
Creating a New User
These steps assume the User Access Levels screen is displayed.
monitor
as
secure monitor
Deleting a User
Editing User Details
These steps assume the User Access Levels screen is displayed.
advise on your next course of action.
interface, contact your local technical support representative who will
If you forget your password while logged out of the Switch 1005 VT100
Assigning Local Security
Community SNMP
The Switch 1005 can be managed
important or sensitive data on your n etwork.
may want to disable all access to the management facilities if there is
have some simple security features, but it is an insecure protocol. You
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Management Level
, the
all options relate to VLANs.
and
Figure3-3
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Switch 1005 Setup
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Port Se tup
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Specifying the Backbone Port
The Switch Database (SDB)
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Configuring the Switch Database
, allows
the port identifier for this entry.
If an entry is highlighted in the listbox, this field shows
Port Numbe r
Searching the Switch Database
Adding an Entry into the SDB
Deleting an Entry from the SDB
Resilient Links
Viewing Resilient Setup
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Configuring Resilient Links
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Creating a Resilient Link
Deleting a Resilient Link
Setting Up Traps
Community String
The community string allows a very simple method
transmission.
gives a minimum delay of one tenth of a second between each
throttle is one thousandth of a second. The default value is 100, which
Resetting the Switch 1005
Initializing the Switch 1005
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Upgrading Software
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Benefits of VLANs
An Example
VLANs and the Switch 1005
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VLAN Configurations
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Setting Up VLANs on the Switch
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ResBP
This field displays the resilient backbone port for the VLAN, if
This button applies any changes to the VLAN database.
APPLY
on page 3-17
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Summary Statistics
With the Switch Management screen displayed, choose to view
have been successfully transmitted by each port.
Displays the total number of frames that
FRAMES TRANSMITTED
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Port Statistics
With the Switch Management screen displayed, choose to view
because each user will see degraded network performance.
around 40% you should reconsider the topology of your network
multiple end-stations are connected to this port and you see values of
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Port Traffic Statistics
With the Port Statistics screen displayed, select the TRAFFIC STATISTICS
boundary.
preamble/SFD. Octet counters are accurate to the nearest 2 56 octet
calculation includes the MAC header and CRC, but excludes
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IFM Count
The total number of times Intelligent Flow Management
management station.
not clear the counters on the device or affect counters at the network
see changes in counters over a short period of time. This button does
Port Error Analysis
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Status Monitoring
Hardware Version
The hardware version number of the Switch 1005.
case you need to quote it to your technical support representati ve.
software stored on the Switch 1005. You should note this number in
This is the version number of the Boo t
Remote Polling
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Spot Checks
M
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Identifying Fault Conditions with the LEDs
The following table shows how you can identify possible fault
Appendix C
as described in
If you cannot solve the problem, contact your local supplier, or proceed
VT100 Problems
Switch 1005 Operation Problems
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access rights are read-and-write.
The access rights granted to Monitor level are all read-onl y. All other
accessing and editing Switch 1005 screens via the VT100 interface.
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Call the telephone number nearest you:
World Wide We b Site
more.
articles from 3TECH (3Coms award-winning technical journal) and
customer service and support, 3Coms latest news releases, selected
This service features news and information about 3 Com products,
3ComForum on CompuServe
,
Local numbers are available within the following countrie s:
numbers are:
Call 3ComFacts using your touch-tone telephone. International access
Support from Your Network Supplier
If additional assistance is required, contact your network supplier.
section on how to contact 3Com.
If you are unable to contact your networ k supplier, see the following
Details about recent configuration changes, if applicable
Support from 3Com
If you are unable to receive support from your networ k supplier,
office to find your authorized service provider:
If you are outside the U.S. and Canada, contac t your local 3Com sales
for customer service.
Returning Products for Repair
A product sent directly to 3Com for repair must first be assigned a
To obtain an RMA number, call or fax:
the senders expense.
without an RMA number will be returned to the sender unopened, at
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