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3Com 3C17300A Implementation Guide - Page 6

Witch, Onfiguration, Eatures, Etwork, Xamples, Ddressing - software

UPC - 662705493169

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Page 6 highlights

How Rada Works 82 Auto VLAN Assignment 83 Important Considerations 83 What is Disconnect Unauthorized Device (DUD)? 85 How DUD Works 85 What is RADIUS? 85 11 USING SWITCH CONFIGURATION FEATURES Configuration Save and Restore 87 Upgrading Management Software 89 A CONFIGURATION RULES Configuration Rules for Gigabit Ethernet 93 Configuration Rules for Fast Ethernet 94 Configuration Rules with Full Duplex 95 B NETWORK CONFIGURATION EXAMPLES Simple Network Configuration Examples 98 Desktop Switch Example 98 Advanced Network Configuration Examples 99 Improving the Performance and Resilience of Your Network 99 C IP ADDRESSING IP Addresses 101 Simple Overview 101 Advanced Overview 102 Subnets and Subnet Masks 104 Default Gateways 106

Section	Page
Contents	3
About This Guide	9
Conventions	10
Related Documentation	11
Documentation Comments	11
1	15
Switch Features Overview	15
What is Management Software?	15
Switch Features Explained	15
Automatic IP Configuration	16
Security	16
Aggregated Links	16
Auto-negotiation	17
Multicast Filtering	18
Spanning Tree Protocol and Rapid Spanning Tree Protocol	18
Switch Database	19
Traffic Prioritization	19
RMON	20
Broadcast Storm Control	20
VLANs	20
Configuration Save and Restore	20
2	23
Optimizing Bandwidth	23
Port Features	23
Duplex	23
Flow Control	24
Auto-negotiation	24
Smart Auto-sensing	25
Aggregated Links	26
How 802.3ad Link Aggregation Operates	26
Implementing 802.3ad Aggregated Links	27
Aggregated Links and Your Switch	29
Aggregated Link Example	32
3	33
Using Multicast Filtering	33
What is an IP Multicast?	33
Benefits of Multicast	34
Multicast Filtering	34
Multicast Filtering and Your Switch	35
IGMP Multicast Filtering	36
4	39
Using Resilience Features	39
Spanning Tree Protocol (STP)	39
Rapid Spanning Tree Protocol (RSTP)	40
What is STP?	41
How STP Works	43
STP Requirements	43
STP Calculation	43
STP Configuration	44
STP Reconfiguration	44
How RSTP Differs to STP	45
STP Example	45
STP Configurations	46
Using STP on a Network with Multiple VLANs	48
5	49
Using the Switch Database	49
What is the Switch Database?	49
How Switch Database Entries Get Added	49
Switch Database Entry States	50
6	51
Using Traffic Prioritization	51
What is Traffic Prioritization?	51
How Traffic Prioritization Works	52
802.1D traffic classification	52
DiffServ traffic classification	53
Traffic Prioritization and your Switch	54
7	57
Status Monitoring and Statistics	57
RMON	57
What is RMON?	57
The RMON Groups	57
Benefits of RMON	59
RMON and the Switch	59
Alarm Events	60
The Default Alarm Settings	61
The Audit Log	62
Email Notification of Events	62
8	65
Setting Up Virtual LANs	65
What are VLANs?	65
Benefits of VLANs	66
VLANs and Your Switch	67
The Default VLAN	67
Communication Between VLANs	67
Creating New VLANs	68
VLANs: Tagged and Untagged Membership	68
Placing a Port in a Single VLAN	69
VLAN Configuration Examples	70
Using Untagged Connections	70
Using 802.1Q Tagged Connections	71
9	73
Using Automatic IP Configuration	73
How Your Switch Obtains IP Information	74
How Automatic IP Configuration Works	74
Automatic Process	75
Important Considerations	76
Event Log Entries and Traps	76
10	77
Making Your Network Secure	77
Port Security	78
What is Network Login?	80
How Network Login Works	81
What is Rada?	82
How Rada Works	82
Auto VLAN Assignment	83
Important Considerations	83
What is Disconnect Unauthorized Device (DUD)?	85
How DUD Works	85
What is RADIUS?	85
11	87
Using Switch Configuration Features	87
Configuration Save and Restore	87
Upgrading Management Software	89
A	93
Configuration Rules	93
Configuration Rules for Gigabit Ethernet	93
Configuration Rules for Fast Ethernet	94
Configuration Rules with Full Duplex	95
B	97
Network Configuration Examples	97
Simple Network Configuration Examples	98
Desktop Switch Example	98
Advanced Network Configuration Examples	99
Improving the Performance and Resilience of Your Network	99
C	101
IP Addressing	101
IP Addresses	101
Simple Overview	101
Advanced Overview	102
Subnets and Subnet Masks	104
Default Gateways	106
D	107
Standards Supported	107
Glossary	109