Cisco IE-3000-8TC

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Cisco IE 3000 Switch Software Configuration Guide

OL-13018-03

Chapter 8 Administering the Switch

Managing the ARP Table

Main Page

Default Chapter3
- Table of Contents3
- Related Publications34
CHAPTER 1 Overview 1-138
- Ease-Of-Deployment and Ease-Of-Use Features38
- Performance Features39
- Management Options40
- Manageability Features41
- Availability and Redundancy Features42
- Vlan Features43
- Security Features44
- Qos and Cos Features45
- Monitoring Features46
- Default Settings after Initial Switch Configuration47
- Network Configuration Examples49
  - Design Concepts for Using the Switch49
  - Ethernet-To-The-Factory Architecture50
- Where to Go Next56
CHAPTER 2 Using the Command-Line Interface57
Understanding the Help System59
Understanding Abbreviated Commands60
Understanding no and Default Forms of Commands60
Understanding CLI Error Messages61
Using Configuration Logging61
Using Command History62
- Changing the Command History Buffer Size62
- Recalling Commands62
- Disabling the Command History Feature63
Using Editing Features63
- Enabling and Disabling Editing Features63
- Editing Commands through Keystrokes63
- Editing Command Lines that Wrap65
Searching and Filtering Output of Show and more Commands66
Accessing the CLI66
- Accessing the CLI through a Console Connection or through Telnet66
- Understanding Command Modes57
CHAPTER 3 Configuring Cisco IE 3000 Switch Alarms67
- Understanding IE 3000 Switch Alarms67
- Configuring IE 3000 Switch Alarms70
  - Default IE 3000 Switch Alarm Configuration70
- Configuring the Power Supply Alarm71
  - Setting the Power Mode71
  - Setting the Power Supply Alarm Options71
- Configuring the Switch Temperature Alarms72
- Configuring the FCS Bit Error Rate Alarm74
  - Setting the FCS Error Threshold74
  - Setting the FCS Error Hysteresis Threshold74
- Configuring Alarm Profiles75
  - Creating or Modifying an Alarm Profile76
  - Attaching an Alarm Profile to a Specific Port77
- Enabling SNMP Traps77
  - Displaying IE 3000 Switch Alarms Status78
Chapter 4 Assigning the Switch IP Address and Default Gateway79
- Understanding the Boot Process79
- Assigning Switch Information80
- Checking and Saving the Running Configuration92
- Modifying the Startup Configuration93
- Default Boot Configuration94
- Automatically Downloading a Configuration File94
  - Specifying the Filename to Read and Write the System Configuration94
- Booting Manually95
- Booting a Specific Software Image96
- Controlling Environment Variables96
  - Scheduling a Reload of the Software Image98
    - Configuring a Scheduled Reload98
    - Displaying Scheduled Reload Information99
CHAPTER 5 Configuring Cisco Energywise101
- Managing Single Entities101
Managing Single Entities102
- Energywise Domain102
- Energywise Network102
- Single Poe Switch Scenario103
- Energywise Power Level104
- Energywise Importance105
  - Energywise Names, Roles, and Keywords105
- Configuration Guidelines105
- Poe and Energywise Interactions105
- Manually Managing Power106
- Automatically Managing Power (Recurrence)109
Chapter 6 Configuring Cisco IOS Configuration Engine121
- Understanding Cisco Configuration Engine Software121
- Understanding Cisco IOS Agents125
- Configuring Cisco IOS Agents126
- Displaying CNS Configuration134
Chapter 7 Clustering Switches135
- Understanding Switch Clusters135
- Planning a Switch Cluster138
  - Automatic Discovery of Cluster Candidates and Members138
  - HSRP and Standby Cluster Command Switches143
- IP Addresses146
- Hostnames146
- Passwords146
- SNMP Community Strings147
- TACACS+ and RADIUS147
  - Using SNMP to Manage Switch Clusters148
  - Using the CLI to Manage Switch Clusters148
    - Catalyst 1900 and Catalyst 2820 CLI Considerations148
- LRE Profiles147
CHAPTER 8 Administering the Switch 8-1151
- Managing the System Time and Date151
- Configuring a System Name and Prompt164
- Creating a Banner167
- Managing the MAC Address Table169
- Configuring MAC Address Notification Traps171
- Adding and Removing Static Address Entries173
- Configuring Unicast MAC Address Filtering174
- Disabling MAC Address Learning on a VLAN175
- Displaying Address Table Entries177
  - Managing the ARP Table177
Chapter 9 Configuring PTP179
- Understanding PTP179
- Configuring PTP179
Chapter 10 Configuring SDM Templates183
- Understanding the SDM Templates183
- Configuring the Switch SDM Template184
- Displaying the SDM Templates185
CHAPTER 11 Configuring Switch-Based Authentication187
- Preventing Unauthorized Access to Your Switch187
- Protecting Access to Privileged EXEC Commands188
- Controlling Switch Access with TACACS196
- Displaying the TACACS+ Configuration203
- Controlling Switch Access with RADIUS203
- Configuring the Switch for Local Authentication and Authorization218
- Configuring the Switch for Secure Shell219
- Configuring the Switch for Secure Socket Layer HTTP223
- Configuring the Switch for Secure Copy Protocol230
  - Information about Secure Copy230
CHAPTER 12 Configuring IEEE 802.1X Port-Based Authentication231
- Understanding IEEE 802.1X Port-Based Authentication231
- Configuring 802.1X Authentication256
CHAPTER 13 Configuring Interface Characteristics291
- Understanding Interface Types291
  - Port-Based Vlans292
  - Switch Ports292
    - Access Ports292
    - Trunk Ports293
- Etherchannel Port Groups293
- Dual-Purpose Uplink Ports294
- Connecting Interfaces294
- Using Interface Configuration Mode294
- Configuring Ethernet Interfaces300
- Configuring the System MTU307
- Monitoring and Maintaining the Interfaces308
Chapter 14 Configuring Smartports Macros311
- Understanding Smartports Macros311
- Configuring Smartports Macros311
- Displaying Smartports Macros315
Chapter 15 Configuring Vlans317
- Understanding Vlans317
  - Supported Vlans318
  - VLAN Port Membership Modes319
- Configuring Normal-Range Vlans320
- Configuring Extended-Range Vlans327
- Displaying Vlans329
- Configuring VLAN Trunks330
- Configuring VMPS339
Chapter 16 Configuring VTP347
- Understanding VTP347
- Configuring VTP350
- Monitoring VTP362
Chapter 17 Configuring Voice VLAN363
- Understanding Voice VLAN363
  - Cisco IP Phone Voice Traffic364
  - Cisco IP Phone Data Traffic364
- Configuring Voice VLAN365
- Displaying Voice VLAN368
CHAPTER 18 Configuring STP369
- Understanding Spanning-Tree Features369
CHAPTER 19 Configuring MSTP391
- Understanding MSTP392
- Hop Count395
- Boundary Ports396
- IEEE 802.1S Implementation396
- Interoperability with IEEE 802.1D STP398
- Understanding RSTP398
- Configuring MSTP Features403
- Displaying the MST Configuration and Status416
CHAPTER 20 Configuring Optional Spanning-Tree Features417
- Understanding Optional Spanning-Tree Features417
- Configuring Optional Spanning-Tree Features425
- Displaying the Spanning-Tree Status432
Chapter 21 Configuring Resilient Ethernet Protocol433
- Understanding REP433
- Configuring REP438
- Monitoring REP445
CHAPTER 22 Configuring Flex Links and the MAC Address-Table Move Update Feature447
- Understanding Flex Links and the MAC Address-Table Move Update447
- Configuring Flex Links and the MAC Address-Table Move Update453
- Monitoring Flex Links and the MAC Address-Table Move Update460
Chapter 23 Configuring DHCP Features and IP Source Guard461
- Understanding DHCP Snooping461
- Configuring DHCP Snooping466
- Displaying DHCP Snooping Information472
- Understanding IP Source Guard472
  - Source IP Address Filtering473
  - Source IP and MAC Address Filtering473
- Configuring IP Source Guard473
- Displaying IP Source Guard Information475
- Understanding DHCP Server Port-Based Address Allocation475
- Configuring DHCP Server Port-Based Address Allocation476
- Displaying DHCP Server Port-Based Address Allocation479
Chapter 24 Configuring Dynamic ARP Inspection481
- Understanding Dynamic ARP Inspection481
- Configuring Dynamic ARP Inspection485
- Displaying Dynamic ARP Inspection Information494
Chapter 25 Configuring IGMP Snooping and MVR497
- Understanding IGMP Snooping497
- Configuring IGMP Snooping502
- Displaying IGMP Snooping Information511
- Understanding Multicast VLAN Registration512
  - Using MVR in a Multicast Television Application513
- Configuring MVR515
- Displaying MVR Information519
- Configuring IGMP Filtering and Throttling519
- Displaying IGMP Filtering and Throttling Configuration524
Chapter 26 Configuring Port-Based Traffic Control525
- Configuring Storm Control525
- Configuring Protected Ports530
- Configuring Port Blocking531
  - Default Port Blocking Configuration531
  - Blocking Flooded Traffic on an Interface532
- Configuring Port Security532
- Displaying Port-Based Traffic Control Settings543
Chapter 27 Configuring LLDP, LLDP-MED, and Wired Location Service545
- Understanding LLDP, LLDP-MED, and Wired Location Service545
- Lldp545
Chapter 28 Configuring CDP557
- Understanding CDP557
- Configuring CDP558
- Monitoring and Maintaining CDP561
Chapter 29 Configuring UDLD563
- Understanding UDLD563
  - Modes of Operation563
  - Methods to Detect Unidirectional Links564
- Configuring UDLD565
- Displaying UDLD Status568
Chapter 30 Configuring SPAN and RSPAN569
- Understanding SPAN and RSPAN569
- Configuring SPAN and RSPAN577
- Displaying SPAN and RSPAN Status591
Chapter 31 Configuring RMON593
- Understanding RMON593
- Configuring RMON594
- Displaying RMON Status598
Chapter 32 Configuring System Message Logging599
- Understanding System Message Logging599
- Configuring System Message Logging600
- Displaying the Logging Configuration611
Chapter 33 Configuring SNMP613
- Understanding SNMP613
- Configuring SNMP618
- Displaying SNMP Status630
Chapter 34 Configuring Network Security with Acls631
- Understanding Acls631
  - Port Acls632
  - Handling Fragmented and Unfragmented Traffic633
- Configuring Ipv4 Acls634
- Creating Named MAC Extended Acls650
  - Applying a MAC ACL to a Layer 2 Interface652
- Displaying Ipv4 ACL Configuration653
Chapter 35 Configuring Cisco IOS IP Slas Operations655
- Understanding Cisco IOS IP Slas655
- Configuring IP Slas Operations659
- Monitoring IP Slas Operations660
Chapter 36 Configuring Qos661
- Understanding Qos661
- Configuring Auto-Qos679
- Displaying Auto-Qos Information687
- Configuring Standard Qos688
- Displaying Standard Qos Information728
Chapter 37 Configuring Ipv6 Host Functions731
- Understanding Ipv6731
  - Ipv6 Addresses732
  - Supported Ipv6 Host Features732
- Configuring Ipv6736
- Displaying Ipv6740
Chapter 38 Configuring Etherchannels and Link-State Tracking743
- Understanding Etherchannels743
- Configuring Etherchannels750
- Displaying Etherchannel, Pagp, and LACP Status759
- Understanding Link-State Tracking760
- Configuring Link-State Tracking762
Chapter 39 Troubleshooting765
- Recovering from a Software Failure766
- Recovering from a Lost or Forgotten Password767
- Recovering from a Command Switch Failure768
  - Replacing a Failed Command Switch with a Cluster Member768
  - Replacing a Failed Command Switch with Another Switch770
- Recovering from Lost Cluster Member Connectivity771
- Preventing Autonegotiation Mismatches771
- SFP Module Security and Identification772
- Monitoring SFP Module Status772
- Using Ping772
  - Understanding Ping773
  - Executing Ping773
- Using Layer 2 Traceroute774
- Using IP Traceroute775
  - Understanding IP Traceroute775
  - Executing IP Traceroute776
Using TDR777
- Understanding TDR777
- Running TDR and Displaying the Results778
- Using Debug Commands778
- Using the Show Platform Forward Command780
- Using the Crashinfo Files781
  - Basic Crashinfo Files781
  - Extended Crashinfo Files782
- Troubleshooting Tables782
  - Troubleshooting CPU Utilization782
    - Possible Symptoms of High CPU Utilization782
    - Verifying the Problem and Cause783
Appendix785
Supported Mibs785
- MIB List785
- Using FTP to Access the MIB Files787
Appendix789
Working with the Cisco IOS File System, Configuration Files, and Software Images789
- Working with the Flash File System789
- Working with Configuration Files796
- Working with Software Images811
Appendix827
Unsupported Commands in Cisco IOS Release 12.2(50)SE827
- Access Control Lists827
- Boot Loader Commands828
- Debug Commands828
  - Unsupported Privileged EXEC Commands828
- IGMP Snooping Commands828
- Interface Commands829
  - Unsupported Privileged EXEC Commands829
  - Unsupported Global Configuration Commands829
    - Unsupported Interface Configuration Commands829
- MAC Address Commands829
  - Unsupported Global Configuration Commands830
- Miscellaneous830
  - Unsupported User EXEC Commands830
  - Unsupported Interface Configuration Commands831
- Unsupported Policy-Map Configuration Command831
- Unsupported 3Des Encryption Commands831
- Spanning Tree832
- Unsupported Interface Configuration Command832

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