Hp 2800 User Manual Page 231
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9
Configuring and Monitoring Port Security
Contents
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2
Basic Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2
Blocking Unauthorized Traffic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
Trunk Group Exclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-4
Planning Port Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5
Port Security Command Options and Operation . . . . . . . . . . . . . . . . . . . . . 9-6
Retention of Static MAC Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-10
Displaying Current Port Security Settings . . . . . . . . . . . . . . . . . . . . . . 9-10
Configuring Port Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-12
MAC Lockdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-17
Differences Between MAC Lockdown and Port Security . . . . . . . . . 9-19
Deploying MAC Lockdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-21
MAC Lockout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-25
Port Security and MAC Lockout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-27
Web: Displaying and Configuring Port Security Features . . . . . . . . . . . . . 9-27
Reading Intrusion Alerts and Resetting Alert Flags . . . . . . . . . . . . . . . . . . 9-28
Notice of Security Violations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-28
How the Intrusion Log Operates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-29
Keeping the Intrusion Log Current by Resetting Alert Flags . . . . . . . 9-29
Using the Event Log To Find Intrusion Alerts . . . . . . . . . . . . . . . . . . . 9-35
Web: Checking for Intrusions, Listing Intrusion Alerts, and Resetting
Alert Flags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-35
Operating Notes for Port Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-36
9-1
- October 2004 3
- 2600-PWR and 2800 Switches 6
- 4 TACACS+ Authentication 6
- 10 Traffic/Security Filters 11
- Getting Started 13
- Guideline 17
- Command Syntax Conventions 18
- Simulating Display Output 18
- Related Publications 19
- 3. Click on manuals 21
- Sources for More Information 22
- Need Only a Quick Start? 23
- Network 23
- Menu: Setting Passwords 28
- Front-Panel Security 31
- Front-Panel Button Functions 33
- Reset Button 34
- Password Recovery 41
- [Y] (for “Yes”) 42
- [N] (for “No”) 42
- Password Recovery Process 43
- Client Options 47
- General Features 48
- Operate 49
- MAC-based Authentication 51
- Operating Rules and Notes 54
- Addresses 58
- RADIUS Server 59
- Based Authentication 70
- Client Status 74
- Terminology Used in TACACS 77
- Applications: 77
- General System Requirements 79
- Note on 81
- Privilege Levels 81
- Caution 81
- BeforeYou Begin 82
- Configuration 83
- Caution Regarding 87
- Login Primary 87
- Encryption Keys 90
- First-Choice TACACS+ Server 92
- How Authentication Operates 94
- Using the Encryption Key 97
- Access When Using TACACS+ 98
- Messages Related to TACACS+ 99
- TACACS+ Authentication 100
- Operating Notes 100
- Contents 101
- Overview 102
- Terminology 103
- Authentication 106
- Want RADIUS To Protect 108
- The switch now 109
- SSH authentication 109
- Local Authentication Process 116
- Access When Using RADIUS 117
- IP address: 10.33.18.151 121
- Reports to the RADIUS Server 122
- Start-Stop: 123
- Stop-Only: 123
- Updating Options 124
- Viewing RADIUS Statistics 125
- RADIUS Accounting Statistics 128
- Prerequisite for Using SSH 137
- Public Key Formats 137
- Operation 141
- Host Public 144
- Key for the 144
- Bit Size 145
- Exponent <e> 145
- Modulus <n> 145
- Client Contact Behavior 147
- Execute no ip ssh 148
- Public-Key Authentication 153
- Bit Size Exponent <e> 155
- Comment 155
- Key Index Number 157
- Message Meaning 160
- Prerequisite for Using SSL 165
- Password Button 168
- Security Tab 168
- Generate New Key 171
- Enter certificate Arguments 171
- Generate New Certificate 171
- [SSL] button 174
- Browser Interface 175
- Browser Contact Behavior 177
- Enable SLL 180
- Common Errors in SSL setup 181
- (802.1X) 183
- 802.1X access. Refer to 187
- How 802.1X Operates 188
- as defined in the 191
- 802.1X standard 191
- Access Control (802.1X) 194
- Authenticators 197
- 802.1X Open VLAN Mode 203
- Unauthorized-Client VLANs 207
- 802.1X Devices 214
- Blocking a Non 215
- 802.1X Device 215
- Other Switches 216
- Statistics, and Counters 220
- The switch reboots 225
- Affects VLAN Operation 226
- After the 802.1X session 229
- • PC1 can access Switch A 234
- Planning Port Security 235
- Learned MAC Addresses 240
- Configuring Port Security 242
- MAC Lockdown 247
- MAC Lockdown Operating Notes 250
- Deploying MAC Lockdown 251
- MAC Lockout 255
- Security Features 257
- Alert Flags 258
- Resetting Alert Flags 260
- 9-15, above.) 262
- 4. Event Log and use 265
- [Overview] button 265
- [Reset Alert Flags] 266
- [?] in the web 266
- Traffic/Security Filters 269
- Using Source-Port Filters 272
- Viewing a Source-Port Filter 275
- Filter Indexing 276
- Editing a Source-Port Filter 277
- Using Authorized IP Managers 279
- Options 281
- Access Levels 281
- Stations 282
- Managers 283
- Building IP Masks 287
- IP Entry 289
- Index – 1 293
- 2 – Index 294
- Index – 3 295
- 4 – Index 296
- Index – 5 297
- 6 – Index 298
- 5990-6024 300
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