User Guide
United States Government Legends
Contents
Normal operation Fast Ethernet Status Indicators
Power-Up
Rapid Configuration
Parameter Entry Quick Key Functions Menu Index
Fast Ethernet Port Attributes and Statistics
Remove a Static Address from FDB Display STP Enable Status
Display Broadcast Throttling Attributes
Display Bridge STP Attributes
Managing ATM Resources
Display Current LEC Configuration
Update NMS IP Address
Display Snmp Configuration
Enable/Disable Event Messages 10-14
Display Software Version 10-2
12-7
12 ATM, LAN EMULATION, and Virtual Lans
Bridge Frame Forwarding Logic
12-14
12-15
13-5
Fast Ethernet Card Specifications Physical C-1
Glossary
If you are looking for information about Turn to
About this Guide
Guide
Tables 1 and 2 list conventions used throughout this guide
Conventions
Conventions
7600 Card Documentation and Related Manuals
If you want to Read
7600 Card Documentation Road Map
About
Overview of the 7600 Card
Card
Card
Front Panel of the 7600 Card with full configuration
Capabilities
3Physical module with SC connector for fiber ports
4CHAPTER 1 Overview of the 7600 Card
Typical Applications of the 7600 Card
5Fast Ethernet backbone
Server farm
Starting UP
Safety Precautions
Installation and POWER-UP
Mesures de sécurité
Vorsichtsmaßnahm en
Card Modules
Installing
Removing
Network Devices
Connecting to
Connection to a workstation or other DTE, using a normal
Terminal
Connecting to a
Local Management
Card System
System Power green Fail red Active orange
States
How they are indicated on the LED display
Power-up phase and initiates the Power-On Self-Test
Power-Up
When the 7600 Card is powered-up, it automatically begins
Mode Meaning and User Action
LED Color Meaning
4Fast Ethernet Port LEDs
Rapid
Fast Setup
Configuration
Setup Modes
Setup
Full Setup Mode
CELLplex
Setting Special Parameters
Switch Setup Mode
Setup Mode Selection
2Setup Procedure Navigation Aids
1Integrated Fast Setup Procedure Sections
Setup Section Description
Sections
Select the menu item 9 FST Fast Setup
Integrated Fast Setup is initiated from the LMA Main Menu
Operation
CELLplex 7000. The CELLplex Main Menu appears as follows
Network Prefix Section
Example Dialog The following dialog appears on the screen
UNI/NNI Parameters Section
LE Parameters Section
Lecs Address Section
Virtual Network Configuration Section
LE Client Configuration Section
Confirmation Dialog Section
Admin VN Management Configuration Section
Multi-context Fast
Setup to perform a rapid configuration of the 7600 Card
Port Context
Contex
Type To go to
4Setup Procedure Navigation Aids
Admin Main Menu appears as in the following example
Management Configuration Section
Elan Configuration Section
New configuration is displayed for this context
System Mode Configuration Section
Card Management Tasks
Menu Hierarchy
Local Management Basics
Management
Main menu
Keying in this submenu’s 4 option gives you the prompt
Example
Finally, entering 1 finalizes the prompt as
Entry of the stp submenu’s 3 option produces the prompt
3Editing Aids
2Menu Navigation Functions
System Management Menu
Menu Index
Menu hierarchy
ATM Menu
Bridge Menu
LAN Emulation Menu
Network Management Menu
Virtual LAN Menu
Configuring Bridges
Configuring Virtual Lans
Display Current
Bridge
Attach Fast
2Bridge Configuration Parameters
Ethernet Port to
Enter 6 Following is displayed
ATM Port to Bridge
Attach Internal
Fast Ethernet port #3 is attached to bridge #1
Internal ATM port is attached to bridge #0
Managing Fast Ethernet Ports
Management Tasks
Managing Ethernet Bridges
Managing the Bridge Forwarding Database
Attributes
Fast Ethernet Port
Statistics
Managing the Spanning Tree Protocol Bridge-wide
2Ethernet Port Attributes
3Fast Ethernet Port Characteristics
4Ethernet Port Statistics
Name Description
1Fast Ethernet Port Attributes and Statistics Display
Following information for Port #1 is displayed
Ethernet Port
Disable a Fast
Display Broadcast
Throttling
Broadcast Throttling
Enable/Disable
Threshold
10Task Actions for Fx Port Type
9Task Actions
Fast Ethernet Tx port #1 is set to half duplex
Example 1 for Tx port type
Example 2 for Fx port type
11Task Actions for Tx Port Type
3Bridge Attributes and Statistics Display
13Bridge Attributes and Statistics
Bridge-aging
Update
Time
Bridge-port
4Bridge Attributes and Statistics Display
16Bridge-port Attributes and Statistics
Forwarding
Display All Entries
Database
17 Task Actions
5Forwarding Database Display
Entries
Display Learned
Learning Station Addresses on
19 Task Actions
21Task Actions
Display Static
Forwarding Database see Static Addresses on
22Static Table Fields
Bridge Ports Hex Value Bridge Ports Hex Value
Static Addresses Allowed-to Binary Table
23Hexadecimal Codes for Displaying Multiple Bridge Ports
7Static Table Display
Static Forwarding Database of bridge #0, the MAC address
Block a Static
Address
Address from FDB
Remove a Static
Ports #4
Database see Static Addresses on
Disable STP on
Display STP Enable
About the STP enable status see Disabling the STP on
Status
30Bridge STP Attributes
9Bridge STP Attributes Display
STP attributes for bridge #0 is displayed as follows
Parameters
Bridge-wide STP
Example Enter
Update Bridge-forward Delay
Bridge-forward-delay for bridge #0 is set to 1500 secs
36Bridge-port STP Attributes
STP Attributes
10Bridge-port STP Attributes Display
Attributes of port #1 of bridge #0 are displayed as follows
Bridge-path-cost for port #1 of bridge #0 is set to
Bridge-path-cost
Managing ATM Resources
Update ATM parameters
Manage ATM port
Manage Bridge ATM addresses
2ATM Port Attributes and Statistics
Display ATM Port Attributes Statistics
Enter 4
Field Description
Following sample ATM statistics report is displayed
4ATM Address Fields
2ATM Address Display
Following is a sample ATM address display
5Task Actions
Display TM
More information about Traffic Management in the 7600 Card
Toggles TM operation on and off
Enable TM
9Task Actions
Characteristic Range Default Meaning
TM remote Client Database is displayed as follows
Information see Display TM Clients on
Add TM Client
Port Admin Status
Enable/Disable ATM
Up to enable the ATM port or down to disable the ATM port
Selected version is saved in flash
Context #0 Event ATM port Link Up
Managing LAN Emulation Clients
Manage configuration parameters
Display statistics
Manage operational parameters
Display LEC
Update Unknown Unicast-flood- Mode
Manage data-frame parameters
Transmission over an Elan on
Enter 5 1
LES Information Description
4LEC Configuration and Status Information
Lecs Information Description
BUS Information Description
2LEC Configuration and Status Display
Enter the bridge number and ATM address or ! to invalidate
Update Lecs
See LAN Emulation Overview on
Elan name for the LEC of bridge #0 is entered
Address via Ilmi
Enable Lecs
LES address for the LEC of bridge #0 is entered
LAN Emulation Overview on
10. For more information see LEC Parameters on
Operational
10LEC Operational Parameters
LEC Parameter Description
Update the LEC operational parameters control-timeout
Update LEC
VCC-timeout-period, aging-time, forward-delay-time
Control-timeout parameter in seconds
Enter 533 0
Enter 535 0
18Task Actions
19Task Actions
Refer to -21. For more information see Emulated LAN
Control-frame
Connections on
20Task Actions
Enter 54
16CHAPTER 8 Managing LAN Emulation Clients
Unicast-flood
Update Unknown
Mode
Unknown Unicast Frames on
LE flood mode for Bridge #0 is now NotFlood
Display Snmp Configuration Update NMS IP Address
Setting Network Parameters
Display Current IP
2IP Configuration Information
IP Address for bridge #0 is updated to
Update Default
Default Gateway for the specified bridge
Default Gateway for bridge #0 is updated to
Display Snmp
Update Subnet
Mask
Traps
Update NMS IP
Managing System Functions
Display Software
Resetting system
Version
Manage event messages
Software from Network
Download Status
Download
From Flash
Erase Software
Software from
Local
Display Hardware Configuration
Set System
Current system configuration mode
Set Store-and
Forward Mode
After the next reset
9Timeout Parameters
Display Timeout
For descriptions of the timeout parameters
Following is a sample timeout parameters report
CPI
Timeout Delay
Delays
Update Hardware
Software timeout mechanism
Update Software
Write-access
Password
Updated
Event Messages
Admin-access
Enter 1
System hardware is reset and device is rebooted
III 7600 Card Capabilities
Ethernet
Overview
Fast Ethernet
Auto-negotiation
Full or Half Duplex Mode
10/100 Mbps transmission speed
Transceiver type Cable type Number Pairs fibers
10 or 100 Mbps Speed
2Cable Support by Transceiver Type
Fast Ethernet Ports
11-6CHAPTER 11 Ethernet Lans and Bridges in the 7600 Card
Transparent Bridges
Protocol
Spanning Tree
Address of a bridge port, called Self
Can be defined as follows
Spanning Tree Protocol
Designated Bridge on a LAN Spanning Tree port selection
4Port-dependent bridge parameters
Parameters in -4 are set for individual bridge ports
3Port-independent Bridge Parameters
11-12CHAPTER 11 Ethernet Lans and Bridges in the 7600 Card
ATM Overview
Virtual Lans
ATM Basics
Virtual Channels
Interface Ilmi
Interim Local
LAN Emulation
BUS
Connections
Emulated LAN
LAN Emulation
Control VCCs
Illustrates the VCCs active among LAN Emulation Components
Elan Name
3LEC Configuration and Status Information
Bridge acts like a standard transparent bridge
Bridges
Both local and remote destination LANs in the ATM network
2Bridges in the 7600 Card
12-12CHAPTER 12 ATM, LAN EMULATION, and Virtual Lans
Bridges in the 7600 Card
Entry obtained by Topology flag Aged by
5Unknown Unicast Flooding Mode
Unknown unicast flooding mode
Mode Bridge action
Data Transmission over an Elan
LEC Parameters
Parameter Description Minimum Default Maximum
Flush protocol
Be set by management
Virtual LANs
12-18CHAPTER 12 ATM, LAN EMULATION, and Virtual Lans
Virtual LANs in the 7600 Card
12-20CHAPTER 12 ATM, LAN EMULATION, and Virtual Lans
Each vLAN communicates with its server
Workgroups
6Logical and Physical View of a Network With vLANs
How Traffic Management is implemented within the 7600 Card
ATM Network
Topics are discussed
1Example of a source to destination ABR control loop
Management Concepts
Traffic
This congestion information
Generate backward RM-cells
Functions
Traffic
ATM technology without having cell loss due to congestion
Configuration
7600 Card checks connected devices for Traffic Management
Found in the connected device
13-6CHAPTER 13 Traffic Management in the ATM Network
2Traffic Management control steps
As shown. The traffic management is performed as follows
Protocols
Device Management
Out-of-Band
In-Band
Local Management
27600 Card Administration Console
Snmp Agents
Interface Evolution MIB Ncdchass MIB private
Management Information Bases MIBs
Bridge MIB AToM MIB LE Client MIB
Security
5Local Management Protocol Access
Store-and-Forward Mode
Tuning
Cut-Through Mode
Timeout Tuning
Card for extended periods of time. This usually occurs when
Terminating them as erred frames
Console Passwords
Service
Services
On-Line Technical
3Com Bulletin Board
Country Fax Number
Table A-2Automated Fax Service
Press Enter to see the Ask3Com main menu
Country Telephone Number
Table A-3Telephone Support
Table A-4Network Supplier Support
Table A-6Local Access Numbers
Table A-5Obtaining an RMA Number
Country Telephone Number Fax Number
Troubleshooting
Cleaning Dirty Fiber Optic Cables
Related Diagnostic Procedures
Fast Ethernet Switching
Fast Ethernet Card C Specifications
Physical
Interfaces
Environmental
Indicators
Standards Compliance
Glossary
Equipment DCE
Interface NNI
Point-to-point call
Out-of-band
Call
Protocol
Interface UNI
Numbers
Index
BUS
Elan
LEC ID
NNI
STP
VCC
Index