3Com 3848 - SuperStack 3 Switch Support and Manuals
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Implementation Guide - Page 1
SuperStack® 3 Switch 3812, Switch 3824 and Switch 3848 Implementation Guide
3C17401 3C17400 3CR17402-91
http://www.3com.com/
Part No. DUA1740-0BAA02 Published September 2004
Implementation Guide - Page 4
... 34
Multicast Filtering 34 Multicast Filtering and Your Switch 35
IGMP Multicast Filtering 36 How IGMP Supports IP Multicast 37
Electing the Querier 37 Host Messages 37 Response to Queries 37 Role of IGMP in IP Multicast Filtering 38
4 USING RESILIENCE FEATURES
Rapid Spanning Tree Protocol 40 Rapid Spanning Tree Protocol (RSTP) 40
What is STP? 41 How...
Implementation Guide - Page 6
Server Support 73 Event Log Entries and Traps 73
10 MAKING YOUR NETWORK SECURE
Securing Access to the Web Interface 75 ...for Fast Ethernet 86
Configuration Rules with Full Duplex 87
B NETWORK CONFIGURATION EXAMPLES
Simple Network Configuration Examples 90 Desktop Switch Example 90
C IP ADDRESSING
IP Addresses 91 Simple Overview 91 Advanced Overview 92
Subnets and Subnet Masks 94 Default Gateways 96
Implementation Guide - Page 9
... and managing the Switches.
ABOUT THIS GUIDE
This guide describes the features of the following Switches: ■ 3Com® SuperStack® 3 Switch 3812 (3C17401) ■ 3Com® SuperStack® 3 Switch 3824 (3C17400) ■ 3Com® SuperStack® 3 Switch 3848 (3CR17402-91)
It outlines how to use these features to optimize the performance of your Switch supports. For detailed...
Implementation Guide - Page 17
... server, or to its factory default settings before you restore a configuration ...set using the Switch's Command Line Interface is , LACP enabled on all ports and the aggregated links created automatically. Important Considerations
■ 3Com recommends the Switch unit is reset to be enabled and Spanning Tree Protocol enabled.
Switch Features Explained 17
Flow control is supported...
Implementation Guide - Page 20
...Switch can transfer these statistics to :
■ Departmental groups
■ Hierarchical groups
■ Usage groups
For more information about VLANs, see Chapter 8 "Setting Up Virtual LANs". Alternatively, you can have a management workstation with VLANs... the same physical segment. Automatic IP Your Switch can manually configure the IP
information.
This system prevents the ...
Implementation Guide - Page 72
... Getting Started Guide that accompanies your Switch has been powered up before, whichever of available addresses) and other parameters such as a subnet mask, default gateway, lease time, and any time using the automatic configuration process, the Switch continually attempt to contact a DHCP server on the LAN.
this is dependant on the network.
■ Manual IP Configuration - You...
Implementation Guide - Page 75
....xxx is the IP address of your network.
Once you have obtained a digital certificate and installed it, you will be able to securely browse your Switch by a Certifying Authority your switch remotely or over an insecure network, the Switch can encrypt all HTTP traffic to the Web interface of the Switch.
This is the default certificate for the...
Implementation Guide - Page 77
... of IP addresses and are applied to VLANs and determine the path or access limitations for network security. For example:
Packet destination IP address: 10.101.67.45 Rule destination address: 10.101.67.0 Rule destination mask: 255.255.255.0 Rule action: deny Access Control Lists 77
Access Control Lists
Access Control Lists are a set of instructions that...
Implementation Guide - Page 80
... an IP address. For further information about RADIUS, see "What is configured for Network Login, it should also be configured to be unable to forward or filter traffic as appropriate. 80 CHAPTER 10: MAKING YOUR NETWORK SECURE
Figure 18 Network Login Operation Network Access Client (Client Device)
Authentication Information
Network Access Server (Switch 3848...
Implementation Guide - Page 91
... Overview - Gives a more about IP addressing. An example IP address is a vast topic and there are structured. C
IP ADDRESSING
This chapter provides some background detail on the IP information that needs to be split into two parts:
■ Simple Overview - The topics covered are:
■ IP Addresses
■ Subnets and Subnet Masks
■ Default Gateways
IP addressing is '192.168.100...
Implementation Guide - Page 92
...depends on that every IP address used is the organization responsible for a registered IP address.
if you do not have been set aside specially for use addresses in house" only.
All devices that have a registered IP address, you may use any arbitrary IP address. 3Com suggests you assign the host part. IP addresses differ from Ethernet MAC addresses, which are connected to...
Implementation Guide - Page 97
...-SX The IEEE specification for speed, duplex and flow control.
backbone The part of Aggregated Links Aggregated links allow a user to increase the bandwidth and resilience between switches by using a group of dynamic entries from the Switch Database which have timed-out and are no longer valid. GLOSSARY
3Com Network The 3Com network management application used...
Implementation Guide - Page 107
...Guide 11 text, About This Guide 11 CoS configuring traffic 52 creating profiles 53 How traffic is processed to provide CoS 52 service levels 53
INDEX 107
traffic classification 53
D
default gateway 96 Default VLAN...flow control 17, 24 IGMP multicast filtering 36 Internet
addresses 91 InterNIC 92 IP (Internet Protocol)
addresses 92 IP address 72, 91
classes of 93 defined 92 derivation 92 division of...
Implementation Guide - Page 108
... SDB entries 50
O
obtaining registered IP address 92
P
path costs. See Switch Database security
network 75 segment, maximum length 86 Spanning Tree Protocol, see STP 40 Statistics (RMON group) 60, 61 STP 40
avoiding the subdivision of VLANs 48 Bridge Identifier 43 Bridge Protocol Data Units 43 default port costs 43 default priority 43 Designated Bridge 44 Designated...
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