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show dhcp server statistics

SecureStack B3 Configuration Guide 15-9

Defaults

None.

Mode

Switchcommand,read‐write.

Example

ThisexampledeletestheDHCPaddressbindingforIPaddress192.168.1.1.

B3(rw)->clear dhcp binding 192.168.1.1

show dhcp server statistics

UsethiscommandtodisplayDHCPserverstatistics.

Syntax

show dhcp server statistics

Parameters

None.

Defaults

None.

Mode

Read‐only.

Example

Thisexampledisplaysserverstatistics.

B3(ro)->show dhcp server statistics

Automatic Bindings 36

Expired Bindings 6

Malformed Bindings 0

Messages Received

---------- ----------

DHCP DISCOVER 382

DHCP REQUEST 3855

DHCP DECLINE 0

DHCP RELEASE 67

DHCP INFORM 1

Messages Sent

---------- ------

DHCP OFFER 381

DHCP ACK 727

DHCP NACK 2

clear dhcp server statistics

UsethiscommandtoclearallDHCPservercounters.

Default Chapter7
- Table of Contents7
About this Guide27
- Using this Guide27
- Structure of this Guide27
- Related Documents29
- Conventions Used in this Guide29
- Getting Help30
Chapter 1: Introduction31
- Securestack B3 CLI Overview31
- Switch Management Methods31
- Factory Default Settings32
- Default Settings for Basic Switch and Router Operation32
- Using the Command Line Interface35
  - Starting a CLI Session35
  - Logging in36
- Securestack B3 Startup Screen36
  - Navigating the Command Line Interface37
- Sample CLI Defaults Description37
- Performing a Keyword Lookup38
- Performing a Partial Keyword Lookup38
- Scrolling Screen Output39
- Abbreviating a Command39
- Basic Line Editing Commands39
Chapter 2 : Configuring Switches in a Stack41
- About Securestack B3 Switch Operation in a Stack41
- Installing a New Stackable System of up to Eight Units42
- Installing Previously-Configured Systems in a Stack43
- Adding a New Unit to an Existing Stack43
- Creating a Virtual Switch Configuration44
- Considerations about Using Clear Config in a Stack45
- Issues Related to Mixed Type Stacks45
  - Feature Support45
  - Configuration45
- Stacking Configuration and Management Commands46
  - Purpose46
  - Commands46
Chapter 3 : Basic Configuration53
- Setting User Accounts and Passwords53
  - Purpose53
  - Commands53
- Show System Lockout Output Details59
- Setting Basic Switch Properties60
  - Purpose60
  - Commands60
- Show System Output Details64
- Show Version Output Details73
- Activating Licensed Features78
- Configuring Power over Ethernet (Poe)83
  - Purpose83
  - Commands83
- Downloading a New Firmware Image86
  - Downloading from a TFTP Server86
  - Downloading Via the Serial Port87
- Reviewing and Selecting a Boot Firmware Image88
  - Purpose88
  - Commands89
    - Set Boot System89
    - Show Boot System89
- Starting and Configuring Telnet90
  - Purpose90
  - Commands90
- Managing Switch Configuration and Files92
- Clearing and Closing the CLI101
  - Purpose101
  - Commands101
    - Cls (Clear Screen)101
    - Exit102
- Resetting the Switch102
  - Purpose102
  - Commands102
    - Clear Config103
    - Reset103
- Using and Configuring Webview104
  - Purpose104
  - Commands105
Chapter 4 : Discovery Protocol Configuration109
- Configuring CDP109
  - Purpose109
  - Commands109
    - Show Cdp109
- Show Cdp Output Details110
- Configuring Cisco Discovery Protocol114
  - Purpose114
    - Show Neighbors114
  - Commands115
    - Show Ciscodp115
- Show Ciscodp Output Details115
  - Show Ciscodp Port Info116
- Show Ciscodp Port Info Output Details116
- Configuring Link Layer Discovery Protocol and LLDP-MED121
- Show Lldp Port Local-Info Output Details128
  - Show Lldp Port Remote-Info129
- Show Lldp Port Remote-Info Output Display130
Chapter 5 : Port Configuration143
- Port Configuration Summary143
  - Port String Syntax Used in the CLI143
- Reviewing Port Status144
  - Purpose144
  - Commands144
- Show Port Status Output Details146
- Show Port Counters Output Details147
- Disabling / Enabling and Naming Ports148
  - Purpose148
  - Commands148
- Setting Speed and Duplex Mode150
  - Purpose150
  - Commands150
- Enabling / Disabling Jumbo Frame Support153
  - Purpose153
  - Commands153
- Setting Auto-Negotiation and Advertised Ability155
  - Purpose155
  - Commands155
- Setting Flow Control158
  - Purpose158
  - Commands159
    - Set Flowcontrol159
    - Show Flowcontrol159
- Setting Port Link Traps and Link Flap Detection160
  - Purpose160
  - Commands160
- Show Linkflap Parameters Output Details163
  - Set Linkflap Globalstate164
- Show Linkflap Metrics Output Details164
- Configuring Broadcast Suppression169
  - Purpose169
  - Commands169
- Port Mirroring171
- Link Aggregation Control Protocol (LACP)176
- LACP Terms and Definitions177
  - Commands178
- Show Lacp Output Details180
- Configuring Protected Ports189
  - Protected Port Operation189
  - Commands189
Chapter 6 : SNMP Configuration195
- SNMP Configuration Summary195
  - Snmpv1 and Snmpv2C195
  - Snmpv3196
  - About SNMP Security Models and Levels196
- SNMP Security Levels196
  - Using SNMP Contexts to Access Specific Mibs197
  - Configuration Considerations197
- Reviewing SNMP Statistics197
  - Purpose197
  - Commands198
    - Show Snmp Engineid198
- Show Snmp Engineid Output Details198
  - Show Snmp Counters199
- Show Snmp Counters Output Details200
- Configuring SNMP Users, Groups, and Communities201
  - Purpose201
  - Commands202
    - Show Snmp User202
    - Set Snmp User203
- Show Snmp User Output Details203
  - Clear Snmp User204
  - Show Snmp Group204
- Show Snmp Group Output Details205
  - Set Snmp Group206
  - Clear Snmp Group206
  - Show Snmp Community207
  - Set Snmp Community207
  - Clear Snmp Community208
- Configuring SNMP Access Rights209
  - Purpose209
  - Commands209
    - Show Snmp Access209
- Show Snmp Access Output Details210
  - Set Snmp Access211
  - Clear Snmp Access212
- Configuring SNMP MIB Views212
  - Purpose212
  - Commands212
- Show Snmp View Output Details214
  - Clear Snmp View215
- Configuring SNMP Target Parameters216
  - Purpose216
  - Commands216
    - Show Snmp Targetparams216
    - Set Snmp Targetparams217
- Show Snmp Targetparams Output Details217
  - Clear Snmp Targetparams218
- Configuring SNMP Target Addresses219
  - Purpose219
  - Commands219
    - Show Snmp Targetaddr219
    - Set Snmp Targetaddr220
- Show Snmp Targetaddr Output Details220
  - Clear Snmp Targetaddr221
- Configuring SNMP Notification Parameters222
  - About SNMP Notify Filters222
  - Purpose222
- Show Snmp Notify Output Details225
  - Clear Snmp Notify226
  - Show Snmp Notifyfilter226
  - Set Snmp Notifyfilter227
  - Clear Snmp Notifyfilter228
  - Show Snmp Notifyprofile228
  - Set Snmp Notifyprofile229
  - Clear Snmp Notifyprofile229
- Creating a Basic SNMP Trap Configuration230
- Basic SNMP Trap Configuration230
  - Example231
Chapter 7: Spanning Tree Configuration233
- Spanning Tree Configuration Summary233
- Configuring Spanning Tree Bridge Parameters235
  - Purpose235
    - Show Spantree Stats237
- Show Spantree Output Details238
- Configuring Spanning Tree Port Parameters263
  - Purpose263
  - Commands264
- Configuring Spanning Tree Loop Protect Parameters271
Chapter 8 : 802.1Q VLAN Configuration285
- VLAN Configuration Summary285
- Viewing Vlans286
  - Purpose286
- Command Set for Creating a Secure Management VLAN286
  - Command287
    - Show Vlan287
- Creating and Naming Static Vlans288
  - Purpose288
  - Commands288
    - Set Vlan288
- Show Vlan Output Details288
- Assigning Port VLAN Ids (Pvids) and Ingress Filtering290
  - Purpose290
- Configuring the VLAN Egress List296
  - Purpose296
  - Commands296
- Setting the Host VLAN300
  - Purpose300
  - Commands301
- Enabling/Disabling GVRP (GARP VLAN Registration Protocol)302
  - About GARP VLAN Registration Protocol (GVRP)302
- Example of VLAN Propagation Via GVRP303
  - Purpose304
  - Commands304
    - Show Gvrp304
    - Show Garp Timer305
- Show Gvrp Configuration Output Details305
Chapter 9 : Differentiated Services Configuration309
- Globally Enabling or Disabling Diffserv309
  - Command309
    - Set Diffserv Adminmode310
- Creating Diffserv Classes and Matching Conditions310
  - Purpose310
  - Commands310
- Valid IP DSCP Numeric and Keyword Values314
  - Set Diffserv Class Rename316
- Configuring Diffserv Policies and Assigning Classes317
  - Purpose317
  - Commands317
- Assigning Policies to Service Ports323
  - Purpose323
  - Commands323
- Diffserv Configuration Examples325
Chapter 10: Policy Classification Configuration327
- Policy Classification Configuration Summary327
- Configuring Policy Profiles327
  - Purpose327
  - Commands328
    - Show Policy Profile328
    - Set Policy Profile329
- Show Policy Profile Output Details329
  - Clear Policy Profile331
- Configuring Classification Rules331
  - Show Policy Rule331
- Show Policy Rule Output Details333
  - Show Policy Capability334
  - Set Policy Rule335
- Valid Values for Policy Classification Rules337
  - Clear Policy Rule338
  - Clear Policy All-Rules340
- Assigning Ports to Policy Profiles340
  - Purpose340
  - Commands340
    - Set Policy Port340
    - Clear Policy Port341
- Configuring Policy Class of Service (Cos)342
  - Using Port-Based or Policy-Based Cos Settings342
  - About Policy-Based Cos Configurations342
Chapter 11: Port Priority Configuration359
- Port Priority Configuration Summary359
- Configuring Port Priority359
  - Purpose359
- Configuring Priority to Transmit Queue Mapping362
  - Purpose362
  - Commands362
- Configuring Quality of Service (Qos)364
  - Purpose364
  - Commands364
Chapter 12: IGMP Configuration369
- IGMP Overview369
  - About IP Multicast Group Management369
  - About Multicasting369
- Configuring IGMP at Layer 2370
Chapter 13 : Logging and Network Management379
- Configuring System Logging379
  - Show Logging Server380
- Show Logging Server Output Details380
- Show Logging Application Output Details385
  - Clear Logging Application386
- Mnemonic Values for Logging Applications386
- Show Arp Output Details394
- Show Mac Output Details397
- Show Sntp Output Details404
- Show Nodealias Config Output Details411
  - Clear Nodealias Config412
Chapter 14: RMON Configuration413
- RMON Monitoring Group Functions413
- RMON Monitoring Group Functions and Commands413
- Show Rmon Alarm Output Details420
- Show Rmon Event Output Details424
Chapter 15: DHCP Server Configuration435
- DHCP Overview435
  - DHCP Server435
  - Configuring a DHCP Server436
- Configuring General DHCP Server Parameters436
  - Purpose436
- Configuring IP Address Pools444
  - Manual Pool Configuration Considerations444
  - Purpose444
Chapter 16: Preparing for Router Mode465
- Pre-Routing Configuration Tasks465
  - Example466
- Enabling Router Configuration Modes466
- Enabling the Switch for Routing466
- Router CLI Configuration Modes466
Chapter 17: IP Configuration469
- Configuring Routing Interface Settings469
  - Purpose469
- Show Ip Interface Output Details472
- Show Ip Arp Output Details476
Chapter 18 : Ipv4 Routing Protocol Configuration485
- Configuring RIP485
  - RIP Configuration Task List and Commands485
- Configuring IRDP493
  - Purpose493
  - Commands493
Chapter 19: Ipv6 Management500
- Set Ipv6500
- Show Ipv6 Address501
- Clear Ipv6 Address502
- Set Ipv6 Gateway503
- Clear Ipv6 Gateway504
- Show Ipv6 Neighbors504
- Show Ipv6 Netstat505
- Ping Ipv6506
Chapter 20: Security Configuration509
- Overview of Security Methods509
  - RADIUS Filter-ID Attribute and Dynamic Policy Profile Assignment510
- Configuring RADIUS511
  - Purpose511
  - Commands511
- Show Radius Output Details512
- Show Eapol Output Details524
- Show Macauthentication Output Details528
- Show Macauthentication Session Output Details530
- Show Vlanauthorization Output Details553
  - Configuring MAC Locking554
    - Commands554
    - Purpose554
- Show Maclock Output Details555
  - Set Maclock Enable557
- Show Maclock Stations Output Details557
- Show Pwa Output Details567
Index579

Brand	Enterasys
Model	SecureStack B3
Category	Switch
Language	English

Enterasys SecureStack B3 User Manual

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