Accton Technology ES3616 Programming manual
CheetahSwitch Workgroup-3616
Management Guide
Management Guide
CheetahSwitch Workgroup-3616
Layer 3 Fast Ethernet Switch
with 16 10BASE-T / 100BASE-TX Ports,
and 2 Slots for Optional 100BASE-FX Fiber Modules
Copyright © 1999 by Accton Technology Corporation. All rights reserved.
No part of this document may be copied or reproduced in any form or by any means without the prior
written consent of Accton Technology Corporation.
Accton makes no warranties with respect to this documentation and disclaims any implied warranties
of merchantability, quality, or fitness for any particular purpose. The information in this document is
subject to change without notice. Accton reserves the right to make revisions to this publication
without obligation to notify any person or entity of any such changes.
International Headquarters USA Headquarters
No. 1 Creation Road III, P.O. Box 51420
Science-based Industrial Park Irvine, CA 92619-1420
Hsinchu 300, Taiwan, R.O.C. Phone Numbers -
Phone: 886-3-5770-270 Sales: 888-398-2101 or 949-707-4800
FAX: 886-3-5770-267 Support: 888-398-4101 or 949-707-4847
FAX: 949-707-2460
Accton is a trademark of Accton Technology Corporation. Other trademarks or brand names
mentioned herein are trademarks or registered trademarks of their respective companies.
ES3616
E0999-R01
150100-102
i
Contents
Chapter 1: Managing the Switch 1-1
Configuration Options 1-1
Making Connections for System Configuration 1-2
Onsite Connection 1-2
Modem Connection 1-2
In-Band Connections 1-3
Telnet Connection 1-3
In-Band Network Connection 1-3
Chapter 2: Using the System Configuration Program 2-1
Login Screen 2-1
Main Menu 2-2
Performing Basic Management 2-3
General Management 2-4
LAN Port Configuration 2-5
Changing Speed and Flow Control 2-6
Changing Link Type 2-7
Displaying Physical Port Addresses 2-8
Console Port Configuration 2-9
Performing Advanced Management 2-10
Managing the Layer 2 Switching Database 2-11
VLAN Perspective 2-12
IP Multicast Group Perspective 2-17
MAC Address Perspective 2-20
Port Perspective 2-21
Configuring the Layer 3 Network 2-24
IP & RIP Settings 2-25
ARP Table 2-27
Routing Table 2-28
DHCP Gateway Settings 2-29
Ping 2-31
Bridging 2-32
Static Filtering 2-33
Spanning Tree Protocol 2-34
Spanning Tree Configurations 2-35
Spanning Tree States 2-37
Spanning Tree Path Costs 2-38
Spanning Tree Port Priorities 2-39
Configuring SNMP Functions 2-40
Configuring Other Protocols (GVRP, IGMP) 2-41
Software Upgrade 2-42
ii
Chapter 3: Using the Web Agent 3-1
Web-Based Configuration and Monitoring 3-1
Navigating the Web Browser Interface 3-2
Home Page 3-2
Browsing the MIBs 3-3
Chapter 4: Advanced Topics 4-1
Basic Functions of Layer-2 Switching 4-1
Unicast Switching 4-1
VLAN Classification 4-1
Learning 4-1
Filtering 4-2
Forwarding 4-2
Multicast Switching 4-2
Spanning Tree Protocol 4-3
Basic Functions of Layer-3 Switching 4-4
Routing Protocols 4-4
RIP and RIP-2 Dynamic Routing Protocols 4-4
Packet-by-Packet Routing Switch 4-5
ICMP Router Discovery 4-6
Virtual LANs 4-6
Assigning Ports to VLANs 4-7
Automatic VLAN Registration 4-7
Forwarding Traffic with Unknown VLAN Tags 4-8
Forwarding Tagged/Untagged Frames 4-8
Port Overlapping 4-9
Connecting VLAN Groups 4-9
Class-of-Service (CoS) Support 4-9
BOOTP/DHCP Relay 4-9
IGMP Snooping and IP Multicast Filtering 4-10
SNMP Management Software 4-11
Remote Monitoring 4-11
Appendix A: Troubleshooting A-1
Console Connection A-1
In-Band Connection A-1
Appendix B: Pin Assignments B-1
DB9 Serial Port Pin Description B-1
DB9 Port Pin Assignments B-1
Connection from Switch's Serial Port to PC's 9-Pin COM Port B-1
Connection from Switch's Serial Port to Modem's 25-Pin DCE Port B-2
Connection from Switch's Serial Port to PC's 25-Pin DTE Port B-2
1
1-1
Chapter 1: Managing the Switch
Configuration Options
For advanced management capability, the ES3616 provides a menu-driven
system configuration program. This program can be accessed by a direct or
modem connection to the serial port on the front panel (out-of-band), or by a
Telnet connection over the network (in-band).
The switch’s managment functions are based on the Simple Network
Management Protocol (SNMP). The embedded SNMP agent permits the switch
to be managed from any PC in the network using in-band management software
(such as Accton’s AccView).
The switch also includes an embedded HTTP Web agent. This Web agent can
be accessed using a standard Web browser from any computer attached to the
network.
The system configuration program and the SNMP agent support management
functions such as:
• Enable/disable any port
• Set the communication mode for any port
• Configure SNMP parameters
• Select RMON options
• Display system information or statistics
• Configure the switch to join a Spanning Tree
• Add ports to network VLANs
• Configure ARP
• Configure BOOTP/DHCP relay
• Configure IP routing and multicast VLANs
• Display system information or statistics
• Download system firmware
• Restart the system
1-2
CheetahSwitch Workgroup-3616
Making Connections for System Configuration
The switch includes a menu-driven configuration program. The ASCII interface to
this program can be accessed by making a direct connection to the serial port on
the front panel, or by a Telnet connection to the switch over the network.
This section describes how to access the menu-driven configuration program via:
•Onsite connection
A terminal or workstation connected to the serial port on the front panel
•Modem connection
A workstation connected to the serial port of a remote switch via modems
•Telnet connection
A workstation connected to a remote switch via a Telnet connection
It also describes how to access the embedded Web agent over the network using
any standard browser, or with AccView network management software or other third-
party management software.
Onsite Connection
Attach a VT100 compatible terminal or a PC running a terminal emulation
program to the serial port on the front panel of the switch. Use the null-modem
cable provided with this package, or use a null modem connection that complies
with the wiring assignments shown in Appendix B of this guide.
When attaching to a PC, set terminal emulation type to VT100, specify the port
used by your PC (i.e., COM 1~4), and then set communications to 8 data bits, 1
stop bit, no parity, and 19200 bps (for initial configuration). Also be sure to set
flow control to “none.”
Modem Connection
Configure the Switch Site: Connect the switch’s DB9 serial port to the modem’s
serial port using standard cabling. For most modems, which use a 25-pin port,
you will have to provide an RS232 cable with a 9-pin connector on one end and a
25-pin connection on the other end. You do not have to set the modem at the
switch’s site, because the switch will automatically configure it to auto-answer
mode.
At the remote site, connect the PC’s COM port (COM 1~4) to the modem’s serial
port. Set terminal emulation type to VT100, specify the port used by your PC
(i.e., COM 1~4), and then set communications to 8 data bits, 1 stop bit, no parity,
19200 bps and no flow control.
Management Guide
1-3
In-Band Connections
Prior to accessing the switch’s embedded agent via a network connection, you
must first configure it with a valid IP address, subnet mask, and default gateway
using an out-of-band connection or the BOOTP protocol.
Note: The switch will automatically issue BOOTP requests if the IP address is set to
“0.0.0.0”. BOOTP is disabled if a valid IP address has been set. See “IP & RIP
Settings” on page 2-25.
Telnet Connection
Prior to accessing the switch’s embedded agent via an in-band Telnet
connection, you must first configure the switch with a valid IP address, subnet
mask, and default gateway using an out-of-band connection or BOOTP protocol.
After configuring the switch’s IP parameters, you can access the on-board
configuration program from anywhere within the attached network.
Note: The system only permits one Telnet session at a time.
In-Band Network Connection
The on-board configuration program can be accessed using Telnet from any
computer attached to the network. The switch can also be managed by any
computer using a Web browser (Internet Explorer 3.0 or above, or Netscape
Navigator 3.0 or above), or from a network computer using network management
software such as AccView.
You can also make a remote network connection (via modems) to the switch’s
serial port using the SLIP protocol over TCP/IP. Using this kind of connection, the
system functions similar to a router, allowing you to manage the switch or other
attached devices using Telnet, a Web browser, or network management software
such as AccView.
Notes: 1. Prior to accessing the switch via a SLIP connection, first configure it with a
valid SLIP IP address, subnet mask, and default gateway. (Note that the
winsocket used by both Windows 95 and NT include the SLIP protocol.)
2. The on-board program only provides access to basic configuration
functions. To access the full range of SNMP mangement functions, you
must use SNMP-based network mangement software.
1-4
CheetahSwitch Workgroup-3616
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