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Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide Release 8.2GLX Corporate Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 USA http://www.cisco.com Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 526-4100 Customer Order Number: DOC-7815908= Text Part Number: 78-15908-01
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide Release 8.2GLX Corporate Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 USA http://www.cisco.com Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 526-4100 Customer Order Number: DOC-7815908= Text Part Number: 78-15908-01
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... property of the word partner does not imply a partnership relationship between Cisco and any other company. (0304R) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide Copyright © 2000-2003, Cisco Systems, Inc. IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT, SPECIAL, CONSEQUENTIAL, OR...
... property of the word partner does not imply a partnership relationship between Cisco and any other company. (0304R) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide Copyright © 2000-2003, Cisco Systems, Inc. IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT, SPECIAL, CONSEQUENTIAL, OR...
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... Ordering Documentation xxix Documentation Feedback xxx Obtaining Technical Assistance xxx Cisco TAC Website xxx Opening a TAC Case xxx TAC Case Priority Definitions xxxi Obtaining Additional Publications and Information xxxi 1 C H A P T E R Product Overview 1-1 Catalyst 4000 and Catalyst 4500 Series Switches 1-1 Catalyst 2948G Switch 1-2 Catalyst 2948G-GE-TX Switch 1-3 Catalyst 2980G Switch 1-3 Supervisor Engine Software 1-3 2 C H A P T E R Using the Command-Line Interface...
... Ordering Documentation xxix Documentation Feedback xxx Obtaining Technical Assistance xxx Cisco TAC Website xxx Opening a TAC Case xxx TAC Case Priority Definitions xxxi Obtaining Additional Publications and Information xxxi 1 C H A P T E R Product Overview 1-1 Catalyst 4000 and Catalyst 4500 Series Switches 1-1 Catalyst 2948G Switch 1-2 Catalyst 2948G-GE-TX Switch 1-3 Catalyst 2980G Switch 1-3 Supervisor Engine Software 1-3 2 C H A P T E R Using the Command-Line Interface...
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...3-10 Renewing and Releasing a DHCP-Assigned IP Address 3-11 4 C H A P T E R Configuring Ethernet and Fast Ethernet Switching 4-1 Understanding How Ethernet Works 4-1 Ethernet Overview 4-1 Switching Frames Between Segments 4-2 Building the Address Table 4-2 Default Ethernet and Fast Ethernet Configurations 4-2 Configuring Ethernet and Fast Ethernet Ports 4-3 Setting... Configuring errdisable State Ethernet and Fast Ethernet Port Timeout Periods 4-7 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX iv 78-15908-01
...3-10 Renewing and Releasing a DHCP-Assigned IP Address 3-11 4 C H A P T E R Configuring Ethernet and Fast Ethernet Switching 4-1 Understanding How Ethernet Works 4-1 Ethernet Overview 4-1 Switching Frames Between Segments 4-2 Building the Address Table 4-2 Default Ethernet and Fast Ethernet Configurations 4-2 Configuring Ethernet and Fast Ethernet Ports 4-3 Setting... Configuring errdisable State Ethernet and Fast Ethernet Port Timeout Periods 4-7 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX iv 78-15908-01
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Contents Checking Ethernet and Fast Ethernet Port Connectivity 4-8 5 C H A P T E R Configuring Gigabit Ethernet Switching 5-1 Understanding How Gigabit Ethernet Works 5-1 Understanding How Gigabit Ethernet Flow Control Works 5-1 Understanding How Port Negotiation Works 5-3 Understanding How Oversubscribed ...EtherChannel Configuration Information 6-10 Displaying EtherChannel Traffic Statistics 6-11 Displaying EtherChannel PAgP Statistics 6-12 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 v
Contents Checking Ethernet and Fast Ethernet Port Connectivity 4-8 5 C H A P T E R Configuring Gigabit Ethernet Switching 5-1 Understanding How Gigabit Ethernet Works 5-1 Understanding How Gigabit Ethernet Flow Control Works 5-1 Understanding How Port Negotiation Works 5-3 Understanding How Oversubscribed ...EtherChannel Configuration Information 6-10 Displaying EtherChannel Traffic Statistics 6-11 Displaying EtherChannel PAgP Statistics 6-12 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 v
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... 6-22 7 C H A P T E R Configuring Spanning Tree 7-1 Understanding How STPs Work 7-2 Understanding How a Topology Is Created 7-2 Understanding How a Switch or Port Becomes the Root Switch or Root Port 7-3 Understanding BPDUs 7-4 Calculating and Assigning Port Costs 7-4 Understanding Spanning Tree Port States 7-5 Understanding How PVST+ and MISTP Modes Work 7-11...16 MST-to-SST Interoperability 7-17 Common Spanning Tree 7-18 MST Instances 7-18 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX vi 78-15908-01
... 6-22 7 C H A P T E R Configuring Spanning Tree 7-1 Understanding How STPs Work 7-2 Understanding How a Topology Is Created 7-2 Understanding How a Switch or Port Becomes the Root Switch or Root Port 7-3 Understanding BPDUs 7-4 Calculating and Assigning Port Costs 7-4 Understanding Spanning Tree Port States 7-5 Understanding How PVST+ and MISTP Modes Work 7-11...16 MST-to-SST Interoperability 7-17 Common Spanning Tree 7-18 MST Instances 7-18 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX vi 78-15908-01
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... an MISTP Instance 7-36 Disabling MISTP-PVST+ or MISTP 7-39 Configuring a Root Switch 7-39 Configuring a Primary Root Switch 7-39 Configuring a Secondary Root Switch 7-40 Configuring a Root Switch to Improve Convergence 7-41 Using Root Guard-Preventing Switches from Becoming Root 7-43 Displaying Spanning Tree BPDU Statistics 7-43 Configuring Spanning Tree Timers... VLANs to an MST Instance 7-54 Configuring Spanning Tree BPDU Skewing 7-57 Contents Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 vii
... an MISTP Instance 7-36 Disabling MISTP-PVST+ or MISTP 7-39 Configuring a Root Switch 7-39 Configuring a Primary Root Switch 7-39 Configuring a Secondary Root Switch 7-40 Configuring a Root Switch to Improve Convergence 7-41 Using Root Guard-Preventing Switches from Becoming Root 7-43 Displaying Spanning Tree BPDU Statistics 7-43 Configuring Spanning Tree Timers... VLANs to an MST Instance 7-54 Configuring Spanning Tree BPDU Skewing 7-57 Contents Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 vii
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... 9-2 Understanding VTP Modes 9-2 Understanding VTP Advertisements 9-3 Understanding VTP Version 2 9-3 Understanding VTP Pruning 9-4 Default VTP Version 1 and Version 2 Configuration 9-5 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX viii 78-15908-01
... 9-2 Understanding VTP Modes 9-2 Understanding VTP Advertisements 9-3 Understanding VTP Version 2 9-3 Understanding VTP Pruning 9-4 Default VTP Version 1 and Version 2 Configuration 9-5 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX viii 78-15908-01
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...How VLANs Work 10-1 VLAN Ranges 10-3 Configurable VLAN Parameters 10-4 VLAN Default Configuration 10-4 VLAN Configuration Guidelines 10-5 Configuring VLANs on the Switch 10-6 Creating or Modifying an Ethernet VLAN 10-6 Creating or Modifying a Normal-Range Ethernet VLAN 10-7 Creating or Modifying an Extended-Range ...VLAN 10-9 Assigning Switch Ports to a VLAN 10-10 Mapping 802.1Q VLANs to ISL VLANs 10-11 Clearing 802.1Q-to-ISL VLAN Mappings 10-12 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX ...
...How VLANs Work 10-1 VLAN Ranges 10-3 Configurable VLAN Parameters 10-4 VLAN Default Configuration 10-4 VLAN Configuration Guidelines 10-5 Configuring VLANs on the Switch 10-6 Creating or Modifying an Ethernet VLAN 10-6 Creating or Modifying a Normal-Range Ethernet VLAN 10-7 Creating or Modifying an Extended-Range ...VLAN 10-9 Assigning Switch Ports to a VLAN 10-10 Mapping 802.1Q VLANs to ISL VLANs 10-11 Clearing 802.1Q-to-ISL VLAN Mappings 10-12 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX ...
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... 12-4 Creating the VMPS Database 12-4 Configuring the VMPS Server 12-7 Configuring VMPS Clients 12-7 Monitoring VMPS 12-9 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX x 78-15908-01
... 12-4 Creating the VMPS Database 12-4 Configuring the VMPS Server 12-7 Configuring VMPS Clients 12-7 Monitoring VMPS 12-9 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX x 78-15908-01
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...GVRP Works 13-1 GVRP Hardware and Software Requirements 13-1 Default GVRP Configuration 13-2 GVRP Configuration Guidelines 13-2 Configuring GVRP on the Switch 13-2 Enabling GVRP Globally 13-2 Enabling GVRP on Individual 802.1Q Trunk Ports 13-3 Enabling GVRP Dynamic VLAN Creation 13-4 ...Requirements 14-4 QoS Default Configuration 14-4 Configuring QoS on the Switch 14-4 Enabling QoS Globally 14-5 Configuring the Default CoS Value for the Switch 14-5 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 xi
...GVRP Works 13-1 GVRP Hardware and Software Requirements 13-1 Default GVRP Configuration 13-2 GVRP Configuration Guidelines 13-2 Configuring GVRP on the Switch 13-2 Enabling GVRP Globally 13-2 Enabling GVRP on Individual 802.1Q Trunk Ports 13-3 Enabling GVRP Dynamic VLAN Creation 13-4 ...Requirements 14-4 QoS Default Configuration 14-4 Configuring QoS on the Switch 14-4 Enabling QoS Globally 14-5 Configuring the Default CoS Value for the Switch 14-5 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 xi
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... CGMP 15-8 Configuring GMRP 15-9 GMRP Software Requirements 15-9 Default GMRP Configuration 15-9 Enabling GMRP Globally 15-9 Enabling GMRP on Individual Switch Ports 15-10 Disabling GMRP on Individual Switch Ports 15-10 Enabling GMRP Forward-All Option 15-11 Disabling GMRP Forward-All Option 15-11 Configuring GMRP Registration 15-12... Clearing GMRP Statistics 15-15 Disabling GMRP 15-15 Configuring Multicast Router Ports and Group Entries 15-15 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX xii 78-15908-01
... CGMP 15-8 Configuring GMRP 15-9 GMRP Software Requirements 15-9 Default GMRP Configuration 15-9 Enabling GMRP Globally 15-9 Enabling GMRP on Individual Switch Ports 15-10 Disabling GMRP on Individual Switch Ports 15-10 Enabling GMRP Forward-All Option 15-11 Disabling GMRP Forward-All Option 15-11 Configuring GMRP Registration 15-12... Clearing GMRP Statistics 15-15 Disabling GMRP 15-15 Configuring Multicast Router Ports and Group Entries 15-15 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX xii 78-15908-01
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... Address 16-2 Blocking Unicast Flood Packets on Secure Ports 16-3 Port Security Configuration Guidelines 16-3 Configuring Port Security on the Switch 16-3 Enabling Port Security 16-3 Setting the Maximum Number of Secure MAC Addresses 16-4 Setting the Port Security Age Time 16... 17-2 Configuring Unicast Flood Blocking on the Switch 17-2 Enabling Unicast Flood Blocking 17-2 Disabling Unicast Flood Blocking 17-3 Displaying Unicast Flood Blocking 17-3 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01...
... Address 16-2 Blocking Unicast Flood Packets on Secure Ports 16-3 Port Security Configuration Guidelines 16-3 Configuring Port Security on the Switch 16-3 Enabling Port Security 16-3 Setting the Maximum Number of Secure MAC Addresses 16-4 Setting the Port Security Age Time 16... 17-2 Configuring Unicast Flood Blocking on the Switch 17-2 Enabling Unicast Flood Blocking 17-2 Disabling Unicast Flood Blocking 17-3 Displaying Unicast Flood Blocking 17-3 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01...
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...18-4 19 C H A P T E R Configuring Protocol Filtering 19-1 Understanding How Protocol Filtering Works 19-1 Default Protocol Filtering Configuration 19-2 Configuring Protocol Filtering on the Switch 19-2 Configuring Protocol Filtering 19-2 Disabling Protocol Filtering 19-3 20 C H A P T E R Checking Status and Connectivity 20-1 Checking Module Status 20-1 Checking Port...-13 21 C H A P T E R Configuring CDP 21-1 Understanding How CDP Works 21-1 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX xiv 78-15908-01
...18-4 19 C H A P T E R Configuring Protocol Filtering 19-1 Understanding How Protocol Filtering Works 19-1 Default Protocol Filtering Configuration 19-2 Configuring Protocol Filtering on the Switch 19-2 Configuring Protocol Filtering 19-2 Disabling Protocol Filtering 19-3 20 C H A P T E R Checking Status and Connectivity 20-1 Checking Module Status 20-1 Checking Port...-13 21 C H A P T E R Configuring CDP 21-1 Understanding How CDP Works 21-1 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX xiv 78-15908-01
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...23 C H A P T E R Configuring UDLD 23-1 Understanding How UDLD Works 23-1 UDLD Software and Hardware Requirements 23-2 Default UDLD Configuration 23-2 Configuring UDLD on the Switch 23-3 Enabling UDLD Globally 23-3 Enabling UDLD on Individual Ports 23-4 Disabling UDLD on Individual Ports 23-4 Disabling UDLD Globally 23-4 Specifying the UDLD Message...Understanding SNMPv3 24-6 Benefits of SNMPv3 24-6 SNMP Entity 24-6 Configuring SNMP from an NMS 24-9 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 xv
...23 C H A P T E R Configuring UDLD 23-1 Understanding How UDLD Works 23-1 UDLD Software and Hardware Requirements 23-2 Default UDLD Configuration 23-2 Configuring UDLD on the Switch 23-3 Enabling UDLD Globally 23-3 Enabling UDLD on Individual Ports 23-4 Disabling UDLD on Individual Ports 23-4 Disabling UDLD Globally 23-4 Specifying the UDLD Message...Understanding SNMPv3 24-6 Benefits of SNMPv3 24-6 SNMP Entity 24-6 Configuring SNMP from an NMS 24-9 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 xv
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... RSPAN Configuration Examples 26-14 27 C H A P T E R Administering the Switch 27-1 Setting the System Name and System Prompt 27-1 Configuring the System Name and Prompt 27-2 Setting the System Contact and Location 27-3 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX xvi 78-15908-01
... RSPAN Configuration Examples 26-14 27 C H A P T E R Administering the Switch 27-1 Setting the System Name and System Prompt 27-1 Configuring the System Name and Prompt 27-2 Setting the System Contact and Location 27-3 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX xvi 78-15908-01
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...Clock 27-4 Creating a Login Banner 27-4 Configuring a Login Banner 27-4 Clearing the Login Banner 27-5 Enabling or Disabling the "Cisco Systems Console" Telnet Login Banner 27-5 Defining and Using Command Aliases 27-6 Defining and Using IP Aliases 27-7 Configuring Permanent and ... Power Budget for the Catalyst 4006 Switch 28-16 Displaying System Information 28-17 Migrating a Supervisor Engine II from a Catalyst 4006 Switch to a Catalyst 4500 Series Switch 28-18 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78...
...Clock 27-4 Creating a Login Banner 27-4 Configuring a Login Banner 27-4 Clearing the Login Banner 27-5 Enabling or Disabling the "Cisco Systems Console" Telnet Login Banner 27-5 Defining and Using Command Aliases 27-6 Defining and Using IP Aliases 27-7 Configuring Permanent and ... Power Budget for the Catalyst 4006 Switch 28-16 Displaying System Information 28-17 Migrating a Supervisor Engine II from a Catalyst 4006 Switch to a Catalyst 4500 Series Switch 28-18 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78...
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... and Individual Ports 28-19 Configuring VoIP 29-1 Hardware and Software Requirements 29-1 Overview of IP Phones 29-2 Configuring VoIP on a Switch 29-3 Configuring Switch Access Using AAA 30-1 Understanding How Authentication Works 30-1 Understanding How Login Authentication Works 30-2 Understanding How Local Authentication Works 30-2 Understanding... Configuration Guidelines 30-42 Configuring TACACS+ Authorization 30-43 Authorization Example 30-46 xviii Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01
... and Individual Ports 28-19 Configuring VoIP 29-1 Hardware and Software Requirements 29-1 Overview of IP Phones 29-2 Configuring VoIP on a Switch 29-3 Configuring Switch Access Using AAA 30-1 Understanding How Authentication Works 30-1 Understanding How Login Authentication Works 30-2 Understanding How Local Authentication Works 30-2 Understanding... Configuration Guidelines 30-42 Configuring TACACS+ Authorization 30-43 Authorization Example 30-46 xviii Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01
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...Device Roles 31-2 Authentication Initiation and Message Exchange 31-3 Ports in Authorized and Unauthorized States 31-4 Authentication Server 31-5 802.1x Parameters Configurable on the Switch 31-6 802.1x VLAN Assignment Using a RADIUS Server 31-6 Using 802.1x Authentication with Port Security 31-7 Using 802.1x Authentication on Ports Configured .../Identity Frames 31-14 Setting the Supplicant-to-Host Retransmission Time for EAP-Request Frames 31-15 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 xix
...Device Roles 31-2 Authentication Initiation and Message Exchange 31-3 Ports in Authorized and Unauthorized States 31-4 Authentication Server 31-5 802.1x Parameters Configurable on the Switch 31-6 802.1x VLAN Assignment Using a RADIUS Server 31-6 Using 802.1x Authentication with Port Security 31-7 Using 802.1x Authentication on Ports Configured .../Identity Frames 31-14 Setting the Supplicant-to-Host Retransmission Time for EAP-Request Frames 31-15 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX 78-15908-01 xix
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...the Default Values 31-17 Setting the Trace Severity 31-18 Using the show Commands 31-18 32 C H A P T E R Modifying the Switch Boot Configuration 32-1 Understanding How the Switch Boot Configuration Works 32-1 Understanding the Boot Process 32-1 Understanding the ROM Monitor 32-2 Understanding the Configuration Register 32-2 Understanding the BOOT... System Software Images to a TFTP Server 33-4 Preparing to Upload an Image to a TFTP Server 33-5 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX xx 78-15908-01
...the Default Values 31-17 Setting the Trace Severity 31-18 Using the show Commands 31-18 32 C H A P T E R Modifying the Switch Boot Configuration 32-1 Understanding How the Switch Boot Configuration Works 32-1 Understanding the Boot Process 32-1 Understanding the ROM Monitor 32-2 Understanding the Configuration Register 32-2 Understanding the BOOT... System Software Images to a TFTP Server 33-4 Preparing to Upload an Image to a TFTP Server 33-5 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide-Release 8.2GLX xx 78-15908-01