Software Guide
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Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide Software Release 8.1 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-7815486= Text Part Number: 78-15486-01
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide Software Release 8.1 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-7815486= Text Part Number: 78-15486-01
Software Guide
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...and certain other company. (0304R) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide Copyright © 2000-2003, Cisco Systems, Inc. All rights reserved. All rights reserved. IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR...domain version of California. and Aironet, ASIST, BPX, Catalyst, CCDA, CCDP, CCIE, CCNA, CCNP, Cisco, the Cisco Certified Internetwork Expert logo, Cisco IOS, the Cisco IOS logo, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Empowering the Internet Generation, Enterprise/Solver, ...
...and certain other company. (0304R) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide Copyright © 2000-2003, Cisco Systems, Inc. All rights reserved. All rights reserved. IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR...domain version of California. and Aironet, ASIST, BPX, Catalyst, CCDA, CCDP, CCIE, CCNA, CCNP, Cisco, the Cisco Certified Internetwork Expert logo, Cisco IOS, the Cisco IOS logo, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Empowering the Internet Generation, Enterprise/Solver, ...
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... Ordering Documentation xxvii Documentation Feedback xxviii Obtaining Technical Assistance xxviii Cisco.com xxviii Technical Assistance Center xxix Obtaining Additional Publications and Information xxx Product Overview 1-1 Catalyst 4000 Series Switches 1-1 Catalyst 2948G Switch 1-2 Catalyst 2980G Switch 1-3 Supervisor Engine Software 1-3 Using the Command-Line Interface 2-1 Switch CLI Overview 2-1 Accessing the Switch CLI 2-2 Accessing the CLI Through the Console Port 2-2 Accessing the...
... Ordering Documentation xxvii Documentation Feedback xxviii Obtaining Technical Assistance xxviii Cisco.com xxviii Technical Assistance Center xxix Obtaining Additional Publications and Information xxx Product Overview 1-1 Catalyst 4000 Series Switches 1-1 Catalyst 2948G Switch 1-2 Catalyst 2980G Switch 1-3 Supervisor Engine Software 1-3 Using the Command-Line Interface 2-1 Switch CLI Overview 2-1 Accessing the Switch CLI 2-2 Accessing the CLI Through the Console Port 2-2 Accessing the...
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... 2-8 Specifying IP Addresses, Host Names, and IP Aliases 2-8 ROM Monitor CLI 2-9 Example of a Catalyst 4003 Bootup Display 2-9 Configuring the Switch IP Address and Default Gateway 3-1 Understanding How the Switch Management Interfaces Work 3-1 Understanding How Automatic IP Configuration Works 3-2 Automatic IP Configuration Overview 3-2 Understanding DHCP ... State Ethernet and Fast Ethernet Port Timeout Periods 4-7 Checking Ethernet and Fast Ethernet Port Connectivity 4-8 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 iv 78-15486-01
... 2-8 Specifying IP Addresses, Host Names, and IP Aliases 2-8 ROM Monitor CLI 2-9 Example of a Catalyst 4003 Bootup Display 2-9 Configuring the Switch IP Address and Default Gateway 3-1 Understanding How the Switch Management Interfaces Work 3-1 Understanding How Automatic IP Configuration Works 3-2 Automatic IP Configuration Overview 3-2 Understanding DHCP ... State Ethernet and Fast Ethernet Port Timeout Periods 4-7 Checking Ethernet and Fast Ethernet Port Connectivity 4-8 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 iv 78-15486-01
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Contents 5 C H A P T E R 6 C H A P T E R 78-15486-01 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 ... 6-9 Removing an EtherChannel Bundle 6-9 Displaying EtherChannel Configuration Information 6-10 Displaying EtherChannel Traffic Statistics 6-11 Displaying EtherChannel PAgP Statistics 6-12 EtherChannel Configuration Examples 6-12 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 v
Contents 5 C H A P T E R 6 C H A P T E R 78-15486-01 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 ... 6-9 Removing an EtherChannel Bundle 6-9 Displaying EtherChannel Configuration Information 6-10 Displaying EtherChannel Traffic Statistics 6-11 Displaying EtherChannel PAgP Statistics 6-12 EtherChannel Configuration Examples 6-12 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 v
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...+ 7-12 MISTP Mode 7-12 MISTP-PVST+ Mode 7-13 Understanding How Bridge Identifiers Work 7-13 MAC Address Allocation 7-13 MAC Address Reduction 7-13 Understanding How MST Works 7-14 Rapid Spanning Tree Protocol 7-16 MST-to-SST Interoperability 7-17 Common Spanning Tree 7-18 MST Instances 7-18 MST Configuration 7-18 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software...
...+ 7-12 MISTP Mode 7-12 MISTP-PVST+ Mode 7-13 Understanding How Bridge Identifiers Work 7-13 MAC Address Allocation 7-13 MAC Address Reduction 7-13 Understanding How MST Works 7-14 Rapid Spanning Tree Protocol 7-16 MST-to-SST Interoperability 7-17 Common Spanning Tree 7-18 MST Instances 7-18 MST Configuration 7-18 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software...
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...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...57 Configuring Spanning Tree PortFast, BPDU Guard, BPDU Filter, UplinkFast, BackboneFast, and Loop Guard 8-1 Understanding How PortFast Works 8-1 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 vii
...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...57 Configuring Spanning Tree PortFast, BPDU Guard, BPDU Filter, UplinkFast, BackboneFast, and Loop Guard 8-1 Understanding How PortFast Works 8-1 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 vii
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...Disabling PortFast 8-10 Resetting PortFast 8-11 Configuring PortFast BPDU Guard 8-11 Enabling PortFast BPDU Guard 8-11 Disabling PortFast BPDU Guard 8-12 Configuring PortFast BPDU Filtering 8-13 Enabling PortFast BPDU Filtering 8-13 Disabling PortFast BPDU Filtering 8-14 Configuring UplinkFast 8-15 Enabling UplinkFast ...Version 2 Configuration 9-5 VTP Version 1 and Version 2 Configuration Guidelines 9-6 Configuring VTP Version 1 and Version 2 9-6 Configuring a VTP Server 9-7 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 viii 78-15486-01
...Disabling PortFast 8-10 Resetting PortFast 8-11 Configuring PortFast BPDU Guard 8-11 Enabling PortFast BPDU Guard 8-11 Disabling PortFast BPDU Guard 8-12 Configuring PortFast BPDU Filtering 8-13 Enabling PortFast BPDU Filtering 8-13 Disabling PortFast BPDU Filtering 8-14 Configuring UplinkFast 8-15 Enabling UplinkFast ...Version 2 Configuration 9-5 VTP Version 1 and Version 2 Configuration Guidelines 9-6 Configuring VTP Version 1 and Version 2 9-6 Configuring a VTP Server 9-7 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 viii 78-15486-01
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... 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...-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 Deleting a VLAN 10-12 Configuring Auxiliary VLANs 10-13 Understanding Auxiliary VLANs 10-13 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration...
... 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...-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 Deleting a VLAN 10-12 Configuring Auxiliary VLANs 10-13 Understanding Auxiliary VLANs 10-13 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration...
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... VMPS and Dynamic Port Configuration 12-3 Configuration Guidelines for Dynamic Ports and VMPS 12-3 Configuring VMPS 12-4 Creating the VMPS Database 12-4 Configuring the VMPS Server 12-7 Configuring VMPS Clients 12-8 Monitoring VMPS 12-9 Maintaining VMPS 12-9 Configuring Static Ports 12-10 Troubleshooting VMPS and Dynamic Port VLAN Membership 12-11 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 x 78...
... VMPS and Dynamic Port Configuration 12-3 Configuration Guidelines for Dynamic Ports and VMPS 12-3 Configuring VMPS 12-4 Creating the VMPS Database 12-4 Configuring the VMPS Server 12-7 Configuring VMPS Clients 12-8 Monitoring VMPS 12-9 Maintaining VMPS 12-9 Configuring Static Ports 12-10 Troubleshooting VMPS and Dynamic Port VLAN Membership 12-11 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 x 78...
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... C H A P T E R 78-15486-01 Troubleshooting VMPS 12-11 Troubleshooting Dynamic Ports 12-11 VMPS Example 12-12 Dynamic Port VLAN Membership with Auxiliary VLANs 12-14 Configuration Guidelines 12-15 Configuring Dynamic Port VLAN Membership with Auxiliary VLANs 12-15 Configuring GVRP 13-1 Understanding How GVRP Works 13-1 GVRP Hardware... Switch 14-5 Reverting to the Default Switch CoS Value 14-5 Mapping CoS Values to Transmit Queues and Drop Thresholds 14-6 Reverting to the Default CoS-to-Transmit Queue and Drop Threshold Mapping 14-6 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches ...
... C H A P T E R 78-15486-01 Troubleshooting VMPS 12-11 Troubleshooting Dynamic Ports 12-11 VMPS Example 12-12 Dynamic Port VLAN Membership with Auxiliary VLANs 12-14 Configuration Guidelines 12-15 Configuring Dynamic Port VLAN Membership with Auxiliary VLANs 12-15 Configuring GVRP 13-1 Understanding How GVRP Works 13-1 GVRP Hardware... Switch 14-5 Reverting to the Default Switch CoS Value 14-5 Mapping CoS Values to Transmit Queues and Drop Thresholds 14-6 Reverting to the Default CoS-to-Transmit Queue and Drop Threshold Mapping 14-6 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches ...
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... 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 Setting the GARP Timers 15-13 Displaying GMRP Statistics 15-14 Clearing GMRP ...Statistics 15-15 Disabling GMRP 15-15 Configuring Multicast Router Ports and Group Entries 15-15 Specifying Multicast Router Ports 15-16 Configuring Multicast Groups 15-16 Disabling Multicast Router Ports 15-17 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
... 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 Setting the GARP Timers 15-13 Displaying GMRP Statistics 15-14 Clearing GMRP ...Statistics 15-15 Disabling GMRP 15-15 Configuring Multicast Router Ports and Group Entries 15-15 Specifying Multicast Router Ports 15-16 Configuring Multicast Groups 15-16 Disabling Multicast Router Ports 15-17 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
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...MAC 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 16-5... 17-1 Understanding How Unicast Flood Blocking Works 17-1 Configuration Guidelines for Unicast Flood Blocking 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 Configuring the IP Permit List...
...MAC 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 16-5... 17-1 Understanding How Unicast Flood Blocking Works 17-1 Configuration Guidelines for Unicast Flood Blocking 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 Configuring the IP Permit List...
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... 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 Checking Status and Connectivity 20-1 Checking Module Status 20...12 Understanding How IP Traceroute Works 20-12 Executing IP Traceroute 20-12 Configuring CDP 21-1 Understanding How CDP Works 21-1 Default CDP Configuration 21-2 Configuring CDP on the Switch 21-2 Setting the CDP Global Enable State 21-2 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
... 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 Checking Status and Connectivity 20-1 Checking Module Status 20...12 Understanding How IP Traceroute Works 20-12 Executing IP Traceroute 20-12 Configuring CDP 21-1 Understanding How CDP Works 21-1 Default CDP Configuration 21-2 Configuring CDP on the Switch 21-2 Setting the CDP Global Enable State 21-2 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
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... Reports 22-3 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 ...Enhancements in Software Release 7.5(1) 24-8 Understanding SNMPv3 24-11 Benefits of SNMPv3 24-11 SNMP Entity 24-11 Configuring SNMPv3 from an NMS 24-14 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xv
... Reports 22-3 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 ...Enhancements in Software Release 7.5(1) 24-8 Understanding SNMPv3 24-11 Benefits of SNMPv3 24-11 SNMP Entity 24-11 Configuring SNMPv3 from an NMS 24-14 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xv
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... and Hardware Requirements 26-8 Understanding How RSPAN Works 26-8 RSPAN Configuration Guidelines 26-9 Configuring RSPAN 26-10 RSPAN Configuration Examples 26-13 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 Setting the...
... and Hardware Requirements 26-8 Understanding How RSPAN Works 26-8 RSPAN Configuration Guidelines 26-9 Configuring RSPAN 26-10 RSPAN Configuration Examples 26-13 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 Setting the...
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...H A P T E R 78-15486-01 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 Static...-7 Power Consumption for Modules 28-9 Migrating a Supervisor Engine II from a Catalyst 4006 Switch to a Catalyst 4500 Series Switch 28-10 Understanding How Inline Power Works 28-11 Inline Power Management Modes 28-12 Power Requirements 28-12 Phone Detection Summary 28-14 Configuring Power Management 28-14 Setting Redundant Mode ...
...H A P T E R 78-15486-01 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 Static...-7 Power Consumption for Modules 28-9 Migrating a Supervisor Engine II from a Catalyst 4006 Switch to a Catalyst 4500 Series Switch 28-10 Understanding How Inline Power Works 28-11 Inline Power Management Modes 28-12 Power Requirements 28-12 Phone Detection Summary 28-14 Configuring Power Management 28-14 Setting Redundant Mode ...
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...-5 Configuring Authentication 30-8 Authentication Default Configuration 30-8 Authentication Configuration Guidelines 30-9 Configuring Login Authentication 30-9 Configuring Local Authentication 30-12 Configuring Local User Authentication 30-15 Configuring TACACS+ Authentication 30-17 Configuring RADIUS Authentication 30-23 Configuring Kerberos Authentication 30-31 ...30-43 Authorization Example 30-46 Understanding How Accounting Works 30-47 Accounting Overview 30-48 xviii Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01
...-5 Configuring Authentication 30-8 Authentication Default Configuration 30-8 Authentication Configuration Guidelines 30-9 Configuring Login Authentication 30-9 Configuring Local Authentication 30-12 Configuring Local User Authentication 30-15 Configuring TACACS+ Authentication 30-17 Configuring RADIUS Authentication 30-23 Configuring Kerberos Authentication 30-31 ...30-43 Authorization Example 30-46 Understanding How Accounting Works 30-47 Accounting Overview 30-48 xviii Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01
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... Setting the Quiet Period 31-11 Setting the Authenticator-to-Host Retransmission Time for EAP-Request/Identity Frames 31-12 Setting the Supplicant-to-Host Retransmission Time for EAP-Request Frames 31-12 Setting the Back-End Authenticator-to-Authentication-Server Retransmission Time for Transport Layer Packets 31-13 Setting the Back...-14 Setting the Back-End Authenticator-to-Host Frame-Retransmission Number 31-14 Resetting the 802.1x Configuration Parameters to the Default Values 31-15 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xix
... Setting the Quiet Period 31-11 Setting the Authenticator-to-Host Retransmission Time for EAP-Request/Identity Frames 31-12 Setting the Supplicant-to-Host Retransmission Time for EAP-Request Frames 31-12 Setting the Back-End Authenticator-to-Authentication-Server Retransmission Time for Transport Layer Packets 31-13 Setting the Back...-14 Setting the Back-End Authenticator-to-Host Frame-Retransmission Number 31-14 Resetting the 802.1x Configuration Parameters to the Default Values 31-15 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xix
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...-15 Using the show Commands 31-16 Modifying the Switch Boot Configuration 32-1 Understanding How the Switch Boot Configuration Works 32-1 Understanding the Boot Process 32...CONFIG_FILE Environment Variable 32-3 Default Switch Boot Configuration 32-4 Setting the Configuration Register ...Setting CONFIG_FILE Recurrence 32-5 Setting the Switch to Ignore the NVRAM Configuration 32...Displaying the Switch Boot Configuration 32-8 Working with System ...Software Images to the Switch Using TFTP 33-1 ...Server 33-5 Downloading System Software Images to the Switch Using rcp 33-5 Understanding How rcp Software Image...
...-15 Using the show Commands 31-16 Modifying the Switch Boot Configuration 32-1 Understanding How the Switch Boot Configuration Works 32-1 Understanding the Boot Process 32...CONFIG_FILE Environment Variable 32-3 Default Switch Boot Configuration 32-4 Setting the Configuration Register ...Setting CONFIG_FILE Recurrence 32-5 Setting the Switch to Ignore the NVRAM Configuration 32...Displaying the Switch Boot Configuration 32-8 Working with System ...Software Images to the Switch Using TFTP 33-1 ...Server 33-5 Downloading System Software Images to the Switch Using rcp 33-5 Understanding How rcp Software Image...