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iv Table of Contents
EX2500 Ethernet Switch Configuration Guide
TACACS+ Authentication........................................................................14
How TACACS+ Authentication Works ..............................................14
TACACS+ Authentication Features in the EX2500 Switch ................14
Command Authorization and Logging...............................................16
Configuring TACACS+ Authentication on the Switch........................16
Secure Shell .............................................................................................17
Configuring SSH Features on the Switch ...........................................17
SSH Encryption of Management Messages........................................17
Generating RSA Host and Server Keys for SSH Access ......................17
SSH Integration with RADIUS and TACACS+ Authentication............18
End User Access Control..........................................................................18
Considerations for Configuring End User Accounts ...........................19
User Access Control ..........................................................................19
Listing Current Users.........................................................................20
Logging In to an End User Account ...................................................20
Chapter 2
VLANs 21
VLAN Overview..............................................................................................21
VLANs and Port VLAN ID Numbers ................................................................22
VLAN Numbers........................................................................................22
PVID Numbers.........................................................................................22
VLAN Tagging ................................................................................................23
VLAN Topologies and Design Considerations .................................................26
VLAN Configuration Rules .......................................................................26
Multiple VLANs Configuration Example ...................................................27
Private VLANs ................................................................................................29
Private VLAN Ports ..................................................................................29
Private VLAN Configuration Guidelines....................................................30
Private VLAN Configuration Example ......................................................30
Chapter 3
Spanning Tree Protocol 31
Spanning Tree Overview................................................................................31
Bridge Protocol Data Units (BPDUs).........................................................32
Determining the Path for Forwarding BPDUs....................................32
Bridge Priority...................................................................................32
Port Priority ......................................................................................33
Port Path Cost ...................................................................................33
Spanning Tree Group Configuration Guidelines .......................................33
Changing the Spanning Tree Mode....................................................33
Assigning a VLAN to a Spanning Tree Group .....................................33
Creating a VLAN................................................................................34
Rules for VLAN Tagged Ports.............................................................34
Adding and Removing Ports from STGs ............................................34
Rapid Spanning Tree Protocol........................................................................35
Port State Changes ..................................................................................35
Port Type and Link Type .........................................................................36
Edge Port ..........................................................................................36
Link Type ..........................................................................................36
RSTP Configuration Guidelines ................................................................36
RSTP Configuration Example...................................................................36
Per VLAN Rapid Spanning Tree......................................................................37
Default Spanning Tree Configuration.......................................................37
Why Do We Need Multiple Spanning Trees?............................................37
- Configuration Guide 1
- Table of Contents 3
- Part 2 Appendixes 6
- Part 3 Indexes 6
- List of Figures 7
- List of Tables 10
- About This Guide 11
- Documentation Conventions 12
- Documentation Feedback 13
- Requesting Technical Support 13
- Opening a Case with JTAC 14
- Accessing the Switch 17
- Using Telnet 19
- Using SNMP 21
- SNMPv1, SNMPv2 21
- Default Configuration 22
- User Configuration 22
- Configuring SNMP Trap Hosts 23
- Securing Access to the Switch 24
- Switch User Accounts 27
- TACACS+ Authentication 28
- Secure Shell 31
- End User Access Control 32
- User Access Control 33
- Listing Current Users 34
- Chapter 2 35
- VLAN Numbers 36
- PVID Numbers 36
- VLAN Tagging 37
- 24 VLAN Tagging 38
- VLAN Tagging 25 39
- Chapter 2: VLANs 39
- VLAN Configuration Rules 40
- Component Description 41
- Private VLANs 43
- Private VLAN Ports 43
- Spanning Tree Protocol 45
- Bridge Priority 46
- Port Priority 47
- Port Path Cost 47
- Creating a VLAN 48
- Rules for VLAN Tagged Ports 48
- Rapid Spanning Tree Protocol 49
- Port State Changes 49
- Port Type and Link Type 50
- RSTP Configuration Guidelines 50
- RSTP Configuration Example 50
- Per VLAN Rapid Spanning Tree 51
- Configuring PVRST 52
- MSTP Region 53
- Common Internal Spanning Tree 53
- MSTP Configuration Guidelines 53
- Fast Uplink Convergence 55
- Configuration Guidelines 56
- Ports and Trunking 57
- Built-In Fault Tolerance 58
- TRUNK 3: PORTS 2, 9, AND 16 59
- TRUNK 1: PORTS 1, 11, AND 18 59
- Chapter 4: Ports and Trunking 61
- Actor Switch Partner Switch 1 62
- LACP Configuration Guidelines 63
- Configuring LACP 63
- (3 seconds), instead 64
- Quality of Service 65
- Permit/Deny 66
- MAC Extended ACLs 67
- IP Standard ACLs 67
- IP Extended ACLs 68
- Understanding ACL Priority 69
- Assigning ACLs to a Port 70
- Viewing ACL Statistics 70
- ACL Configuration Examples 70
- Using ACL Filters 57 71
- Chapter 5: Quality of Service 71
- Using ACL Filters 72
- Using Storm Control Filters 73
- Broadcast Storms 73
- Configuring Storm Control 73
- Per Hop Behavior 75
- QoS Levels 76
- DSCP Mapping 76
- Priority 77
- VLAN Identifier (VID) 77
- Queuing and Scheduling 78
- Remote Monitoring 79
- RMON Group 1—Statistics 80
- RMON Group 2—History 81
- History MIB Object ID 81
- Configuring RMON History 81
- RMON Group 3—Alarms 82
- Alarm MIB Objects 82
- Configuring RMON Alarms 82
- RMON Group 9—Events 83
- 70 RMON Group 9—Events 84
- Chapter 7 85
- FastLeave 86
- IGMPv3 Snooping 87
- Static Multicast Router 88
- Detection 89
- Failure Detection Pair 90
- UFD Configuration Guidelines 90
- UFD Configuration Example 91
- Monitoring UFD 91
- 78 Monitoring UFD 92
- Appendixes 93
- 80 Appendixes 94
- Appendix A 95
- Configuring Port Mirroring 96
- Index on page 85 97
- 84 Indexes 98
- Index 85 99
- 86 Index 100
- Index 87 101
- 88 Index 102
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