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Managing the Hub 2-61
The SmartSwitch 2000 Chassis View
SmartSwitch 2000 Þrmware version 4.00.08 supports the pre-standard IEEE
802.1Q draft speciÞcation for port-based VLANs.
What is a VLAN?
A Virtual Local Area Network (VLAN) is a logical group of devices that function
as a single Local Area Network segment (broadcast domain). Devices comprising
a VLAN may be (physically) widely separated, allowing users located in separate
areas or connected to separate ports to belong to a single VLAN group. Users
assigned to a VLAN can send and receive broadcast and multicast trafÞc as
though they were all physically connected to a single network segment.
VLAN-capable switches isolate broadcast and multicast trafÞc received from
VLAN groups, and contain broadcasts and multicasts from members of a VLAN
within that group.
What is an 802.1Q Port-Based VLAN?
Switches that support the pre-standard IEEE 802.1Q draft speciÞcation for
port-based VLANs act by classifying frames into VLAN membership. Usually,
VLAN classiÞcation is based on tag headers (VLAN tags) in the headers of data
frames. The tag header is inserted into the frame directly after the Source MAC
address Þeld. A four-byte Þeld in the tag header is used as the VLAN identiÞer.
These VLAN tags are added to data frames by the switch as the frames are
transmitted and/or received by certain ports, and are later used to make
forwarding decisions by the switch and other 802.1Q switches. In the absence of a
VLAN tag, a frame is assigned VLAN membership according to the VLAN
conÞguration of the switch port that receives the frame.
About 802.1Q VLAN Configuration and Operation
An 802.1Q VLAN is deÞned by assigning it a unique identiÞcation number (the
VLAN ID) and an optional name. The VLAN ID is used to identify data frames
that originate from, and are intended for, the ports assigned to the VLAN. Up to
64 VLANs may be created, with VLAN IDs ranging from 2-4094. VLAN ID 1 is
reserved for the Default VLAN.
Ports on 802.1Q switches are assigned membership in a VLAN by associating a
VLAN ID with each port on the switch. The VLAN ID is combined with the portÕs
identiÞcation (e.g., device X port X) to form the Port VLAN ID (PVID).
NOTE
For SmartSwitch 2000 Þrmware versions 4.00.08 and above, HSIM-F6 modules cannot
be installed in a SmartSwitch 2000 that is operating in 802.1Q mode.
- SmartSwitch 2000 1
- User’s Guide 1
- Virus Disclaimer 3
- Restricted Rights Notice 4
- Contents 5
- Chapter 3 Alarm Configuration 6
- Chapter 4 Statistics 7
- Introduction 10
- Related Manuals 14
- Software Conventions 15
- 1-8 Software Conventions 16
- Getting Help 18
- Getting Help 1-11 19
- SmartSwitch 2000 Firmware 20
- Chapter 2 23
- Viewing Chassis Information 24
- Front Panel Information 25
- Menu Structure 26
- Port Status Displays 33
- The Chassis Physical View 38
- The Chassis Manager Window 39
- Viewing Hardware Types 40
- Managing the Hub 52
- Managing the Hub 2-31 53
- 2-32 Managing the Hub 54
- Managing the Hub 2-33 55
- 2-34 Managing the Hub 56
- Managing the Hub 2-35 57
- 2-36 Managing the Hub 58
- Managing the Hub 2-37 59
- 2-38 Managing the Hub 60
- Managing the Hub 2-39 61
- 2-40 Managing the Hub 62
- Managing the Hub 2-41 63
- 2-42 Managing the Hub 64
- Managing the Hub 2-43 65
- 2-44 Managing the Hub 66
- Managing the Hub 2-45 67
- 2-46 Managing the Hub 68
- Managing the Hub 2-47 69
- 2-48 Managing the Hub 70
- Managing the Hub 2-49 71
- Priority Configuration 72
- Managing the Hub 2-51 73
- Managing the Hub 2-53 75
- Managing the Hub 2-55 77
- 2-56 Managing the Hub 78
- The System Resources Window 80
- Managing the Hub 2-59 81
- 802.1Q VLANs 82
- Managing the Hub 2-61 83
- 2-62 Managing the Hub 84
- Managing the Hub 2-63 85
- Configuring Your 802.1Q VLANS 86
- Managing the Hub 2-65 87
- 2-66 Managing the Hub 88
- Managing the Hub 2-67 89
- 2-68 Managing the Hub 90
- Managing the Hub 2-69 91
- 2-70 Managing the Hub 92
- Managing the Hub 2-71 93
- Broadcast Suppression 94
- Managing the Hub 2-73 95
- 2-74 Managing the Hub 96
- Managing the Hub 2-75 97
- Enabling and Disabling Ports 98
- Basic Alarm Configuration 100
- Basic Alarm Configuration 3-3 101
- Alarm Configuration 101
- 3-4 Basic Alarm Configuration 102
- Basic Alarm Configuration 3-5 103
- 3-6 Basic Alarm Configuration 104
- Basic Alarm Configuration 3-7 105
- 3-8 Basic Alarm Configuration 106
- Disabling a Basic Alarm 107
- Viewing the Basic Alarm Log 107
- 3-10 Basic Alarm Configuration 108
- Advanced Alarm Configuration 109
- Tools Guide 115
- Tools Guide 115
- Creating and Editing an Event 119
- SPECTRUM 123
- Element Manager Tools Guide 123
- Rising Threshold 126
- Falling Threshold 126
- Statistics 127
- RMON Statistics 128
- RMON Statistics 4-3 129
- 4-4 RMON Statistics 130
- RMON Statistics 4-5 131
- IF Statistics 132
- IF Statistics 4-7 133
- Managing Ethernet MicroLAN 135
- Switches 135
- The Statistics Windows 136
- Repeater Statistics 5-3 137
- 5-4 Repeater Statistics 138
- Repeater Statistics 5-5 139
- Timer Statistics 140
- Repeater Statistics 5-7 141
- Repeater Performance Graphs 142
- Repeater Statistics 5-9 143
- 5-10 Repeater Statistics 144
- Repeater Statistics 5-11 145
- 5-12 Repeater Statistics 146
- Repeater Statistics 5-13 147
- Alarm Limits 148
- Alarm Limits 5-15 149
- 5-16 Alarm Limits 150
- Alarm Limits 5-17 151
- 5-18 Alarm Limits 152
- Configuring Alarms 153
- Setting Alarm Limits 154
- Trap Selection 155
- Trap Definitions 156
- Trap Selection 5-23 157
- Configuring Traps 158
- Trap Selection 5-25 159
- 5-26 Trap Selection 160
- FDDI Applications 161
- Concentrator Configuration 162
- Concentrator Configuration 6-3 163
- 6-4 Concentrator Configuration 164
- Concentrator Configuration 6-5 165
- Connection Policy Window 166
- Connection Policy Window 6-7 167
- Station List 168
- Stations Panel 169
- FDDI Performance 170
- FDDI Performance 6-11 171
- FDDI Statistics 172
- FDDI Statistics 6-13 173
- ATM Configuration 179
- Configuring Connections 182
- HSIM-W87 Configuration 183
- Click here to select or 184
- The T1 Configuration Window 185
- Click here to select 186
- Configuring IP Priority 188
- Configuring IP Priority 8-7 189
- 8-8 Configuring IP Priority 190
- Numerics 191
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