Enterasys 802.1Q Specifikace stáhnout pdf (Strana 100)

92 Spanning Tree Concepts VH-2402S2

Spanning Tree Protocol in a Network

Figure A-1 illustrates the use of three VH-2402S2 switches to establish an

effective Spanning Tree configuration. Switches A, B and C are

connected together in a redundant topology (more than one path between

two points). If the connection between A and B goes down, the link

between A and C becomes active, thereby establishing a path between A

and B through switch C. Additionally, if the connection between B and C

goes down, the link between A and C becomes active, establishing a path

between B and C through switch A.

Figure A-1. Spanning Tree Using VH-2402S2 Switches

1 2 ... 95 96 97 98 99 100 101 102 103 104 105 ... 115 116

VERTICAL HORIZON 1
VH-2402S2 / VH-2402SM2 1
FAST ETHERNET SWITCH 1
9033820-03 4
TABLE OF CONTENTS 5
Table of Contents v 7
1. MANAGEMENT OVERVIEW 9
Backup Management Agent 10
Closed-Loop Stack 11
Required Connections 11
2. VH-2402S2 USER INTERFACE 13
User Access 14
Factory Defaults 15
Main Menu 17
System Information Menu 19
Displaying System Information 20
VH-2402S2 User Interface 13 21
Parameter Description 22
Management Setup Menu 23
IP Configuration 25
IP Connectivity Test (Ping) 27
HTTP Configuration 28
Configuring the Serial Port 29
Assigning SNMP Parameters 30
Configuring Community Names 31
Configuring IP Trap Managers 32
Console Login Configuration 33
Downloading System Software 34
VH-2402S2 User Interface 27 35
Configuring Management Access 36
Configuring the Switch 37
Configuring Port Parameters 39
Port Security Configuration 41
VH-2402S2 User Interface 35 43
VH-2402S2 User Interface 37 45
VH-2402S2 User Interface 39 47
Tree Configuration menu 49
VH-2402S2 User Interface 43 51
VH-2402S2 User Interface 45 53
Configuring Virtual LANs 55
VH-2402S2 User Interface 49 57
802.1Q VLAN Base Information 59
VH-2402S2 User Interface 53 61
Configuring Traffic Classes 63
IGMP Multicast Filtering 66
VH-2402S2 User Interface 59 67
VH-2402S2 User Interface 61 69
Monitoring the Switch 70
Displaying Port Statistics 71
Displaying RMON Statistics 72
VH-2402S2 User Interface 65 73
VH-2402S2 User Interface 67 75
Resetting the System 77
Logging Off the System 77
Common Tasks 79
Setting Password Protection 80
Assigning an IP Address 81
Connecting via Telnet 81
Viewing Switch Statistics 82
Configuring Port Mirroring 83
Downloading Via TFTP 85
Configuring VLANs 87
Configuring Class of Service 87
Configuring Port Operation 88
Setting a Default Gateway 90
Configuring BootP 90
Configuring Port Security 90
Configuring Port Trunks 91
4. SNMP MANAGEMENT 95
MIB Objects 96
SNMP Management 89 97
RFC 1757 (RMON MIB) 98
Spanning Tree Features 99
Spanning Tree Concepts 93 101
Communicating Between Bridges 102
Selecting Designated Ports 102
Handling Duplicate Paths 102
Remapping Network Topology 102
Spanning Tree Concepts 95 103
VLANs and Frame Tagging 105
VH-2402S2 VLAN Configuration 106
Automatic VLAN Registration 107
APPENDIX C. CLASS OF SERVICE 109
IP Multicast Filtering 103 111
2 Index VH-2402S2 114
150200000000A R01 116

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