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... CCSP, the Cisco Arrow logo, the Cisco Powered Network mark, Cisco Unity, Follow Me Browsing, FormShare, and StackWise are service marks of Cisco Systems, Inc.; and certain other company. (0304R) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide Copyright © 2000-2003, Cisco Systems, Inc.... IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS. THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT...
... CCSP, the Cisco Arrow logo, the Cisco Powered Network mark, Cisco Unity, Follow Me Browsing, FormShare, and StackWise are service marks of Cisco Systems, Inc.; and certain other company. (0304R) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide Copyright © 2000-2003, Cisco Systems, Inc.... IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS. THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT...
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...Address 20-4 Displaying Port Capabilities 20-5 Using Telnet 20-6 Changing the Login Timer 20-6 Using Secure Shell Encryption for Telnet Sessions 20-7 Monitoring User Sessions 20-8 Using Ping 20-9 Understanding How Ping Works 20-9 Executing Ping 20-10 Using Layer 2 Traceroute 20-11 Layer 2 Traceroute ... 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 Software Configuration Guide-Release 8.1 xiv 78-15486-01
...Address 20-4 Displaying Port Capabilities 20-5 Using Telnet 20-6 Changing the Login Timer 20-6 Using Secure Shell Encryption for Telnet Sessions 20-7 Monitoring User Sessions 20-8 Using Ping 20-9 Understanding How Ping Works 20-9 Executing Ping 20-10 Using Layer 2 Traceroute 20-11 Layer 2 Traceroute ... 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 Software Configuration Guide-Release 8.1 xiv 78-15486-01
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...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 Authentication Example 30-40... 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
...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 Authentication Example 30-40... 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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...other technical resources. Registered Cisco.com users can order a single Documentation CD-ROM (product number DOC-CONDOCCD=) through the Cisco Ordering tool: http://www.cisco.com/en/US/partner/ordering/ordering_place_order_ordering_tool_launch.html All users can order monthly or quarterly...cisco.com/univercd/cc/td/doc/es_inpck/pdi.htm You can order Cisco documentation in these conventions: Caution Means reader be accessed from the Networking Products MarketPlace: http://www.cisco.com/en/US/partner/ordering/index.shtml 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
...other technical resources. Registered Cisco.com users can order a single Documentation CD-ROM (product number DOC-CONDOCCD=) through the Cisco Ordering tool: http://www.cisco.com/en/US/partner/ordering/ordering_place_order_ordering_tool_launch.html All users can order monthly or quarterly...cisco.com/univercd/cc/td/doc/es_inpck/pdi.htm You can order Cisco documentation in these conventions: Caution Means reader be accessed from the Networking Products MarketPlace: http://www.cisco.com/en/US/partner/ordering/index.shtml 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
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... • Register for all technical assistance. Obtaining Technical Assistance Preface • Nonregistered Cisco.com users can self-register on Cisco.com at this URL: http://tools.cisco.com/RPF/register/register.do xxviii Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Cisco.com provides a broad range of the page. Obtaining Technical Assistance...
... • Register for all technical assistance. Obtaining Technical Assistance Preface • Nonregistered Cisco.com users can self-register on Cisco.com at this URL: http://tools.cisco.com/RPF/register/register.do xxviii Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Cisco.com provides a broad range of the page. Obtaining Technical Assistance...
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...help troubleshoot and resolve technical issues with Cisco products and technologies. You and Cisco are a Cisco.com registered user, and you can open P3 and P4 cases online so that you contact the TAC Escalation Center with a Cisco product, technology, or solution. The ... concerning Cisco product capabilities, product installation, or basic product configuration. Two types of Cisco products. To access the Cisco TAC website, go to this URL: http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software ...
...help troubleshoot and resolve technical issues with Cisco products and technologies. You and Cisco are a Cisco.com registered user, and you can open P3 and P4 cases online so that you contact the TAC Escalation Center with a Cisco product, technology, or solution. The ... concerning Cisco product capabilities, product installation, or basic product configuration. Two types of Cisco products. To access the Cisco TAC website, go to this URL: http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software ...
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...this URL: http://www.cisco.com/en/US/learning/le31/learning_recommended_training_list.html Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xxx 78-15486-01 Access the Cisco Product Catalog at this URL: http://www.cisco.com/go/packet •...URL: http://www.cisco.com/en/US/about Internet business strategies for new and experienced users: Internetworking Terms and Acronyms Dictionary, Internetworking Technology Handbook, Internetworking Troubleshooting Guide, and the Internetworking Design Guide. For current Cisco Press titles and other...
...this URL: http://www.cisco.com/en/US/learning/le31/learning_recommended_training_list.html Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xxx 78-15486-01 Access the Cisco Product Catalog at this URL: http://www.cisco.com/go/packet •...URL: http://www.cisco.com/en/US/about Internet business strategies for new and experienced users: Internetworking Terms and Acronyms Dictionary, Internetworking Technology Handbook, Internetworking Troubleshooting Guide, and the Internetworking Design Guide. For current Cisco Press titles and other...
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... For more information about setting the IP address and default gateway, see Chapter 30, "Configuring Switch Access Using AAA." 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-3 Using the appropriate application or command on your host system,...privileged mode to change the system configuration. Cisco Systems Console Enter password: After you successfully connect to the switch using the IP address or the DNS host name of operation: • Normal (also called login or user mode) • Privileged (also called ...
... For more information about setting the IP address and default gateway, see Chapter 30, "Configuring Switch Access Using AAA." 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-3 Using the appropriate application or command on your host system,...privileged mode to change the system configuration. Cisco Systems Console Enter password: After you successfully connect to the switch using the IP address or the DNS host name of operation: • Normal (also called login or user mode) • Privileged (also called ...
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... HTTP server information Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-4 78-15486-01 Otherwise, enter the normal-mode password for the switch. at the Enter... disconnect from the switch CLI, enter the exit command. The system displays all valid keywords and arguments as follows: Console> (enable) set mls command. Cisco Systems Console Fri ... by the set ip ? For example, eight parameters are connecting to see the user-level command-line prompt. Accessing Help Chapter 2 Using the Command-Line Interface To ...
... HTTP server information Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-4 78-15486-01 Otherwise, enter the normal-mode password for the switch. at the Enter... disconnect from the switch CLI, enter the exit command. The system displays all valid keywords and arguments as follows: Console> (enable) set mls command. Cisco Systems Console Fri ... by the set ip ? For example, eight parameters are connecting to see the user-level command-line prompt. Accessing Help Chapter 2 Using the Command-Line Interface To ...
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... supervisor engine module is mod_num/port_num. Table 2-4 shows examples of the user-configurable ports on these switches, you must refer to designate ports and port ranges. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-7 The fixed-configuration switches have two modules but only one screen To quit from the More...
... supervisor engine module is mod_num/port_num. Table 2-4 shows examples of the user-configurable ports on these switches, you must refer to designate ports and port ranges. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-7 The fixed-configuration switches have two modules but only one screen To quit from the More...
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... time in the DHCPOFFER message are present. The switch broadcasts a DHCPDISCOVER message 1 to an IP address at the end of this period, and the switch surrenders the address. DHCP-learned values are not used if user-configured values are ignored. If the me1 interface ... Broadcast address Static route NTP servers IP address lease time Option overload Client-identifier TFTP server name 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-3 Similarly, if the sc0 interface is not configured but the interface is configured down...
... time in the DHCPOFFER message are present. The switch broadcasts a DHCPDISCOVER message 1 to an IP address at the end of this period, and the switch surrenders the address. DHCP-learned values are not used if user-configured values are ignored. If the me1 interface ... Broadcast address Static route NTP servers IP address lease time Option overload Client-identifier TFTP server name 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-3 Similarly, if the sc0 interface is not configured but the interface is configured down...
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...of the same virtual LAN (VLAN) except the port that are caused by high-bandwidth devices and a large number of users by using the source address of seconds, it associates the Media Access Control (MAC) address of the network is shared ... frame. The switch uses an aging mechanism, which it is 2 Gbps. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-2 78-15486-01 Default Ethernet and Fast Ethernet Configurations Chapter 4 Configuring Ethernet and Fast Ethernet Switching The Catalyst enterprise LAN switches solve congestion problems...
...of the same virtual LAN (VLAN) except the port that are caused by high-bandwidth devices and a large number of users by using the source address of seconds, it associates the Media Access Control (MAC) address of the network is shared ... frame. The switch uses an aging mechanism, which it is 2 Gbps. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-2 78-15486-01 Default Ethernet and Fast Ethernet Configurations Chapter 4 Configuring Ethernet and Fast Ethernet Switching The Catalyst enterprise LAN switches solve congestion problems...
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...you can do this with the set port errdisable-timeout mod/port disable command. At every t seconds, where t is the user-configurable timeout, a process checks to see if any of other than those listed in the command syntax are enabled for the set...are reenabled through System Control Protocol (SCP) messages. Console>(enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-7 Chapter 4 Configuring Ethernet and Fast Ethernet Switching Configuring Ethernet and Fast Ethernet Ports This example shows how to display the per-...
...you can do this with the set port errdisable-timeout mod/port disable command. At every t seconds, where t is the user-configurable timeout, a process checks to see if any of other than those listed in the command syntax are enabled for the set...are reenabled through System Control Protocol (SCP) messages. Console>(enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-7 Chapter 4 Configuring Ethernet and Fast Ethernet Switching Configuring Ethernet and Fast Ethernet Ports This example shows how to display the per-...
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... partner" (a device that are not exchanged. PAgP packets are four user-configurable channel modes: on mode, a channel is transmitted out one port in a channel are blocked from channeling. Table 6-1 Channel Modes Mode on . 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-5 Ports that is not transmitting packets. Table...
... partner" (a device that are not exchanged. PAgP packets are four user-configurable channel modes: on mode, a channel is transmitted out one port in a channel are blocked from channeling. Table 6-1 Channel Modes Mode on . 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-5 Ports that is not transmitting packets. Table...
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... the Catalyst 6500 series switches through 802.1Q trunks, you configure the same VLAN mappings on all appropriate switches in the network. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software...4095. In a network environment with non-Cisco devices that are connected to Cisco switches through 802.1Q trunks or traffic from a non-Cisco switch that has VLANs in the range 1-1000...Do not enter the native VLAN of user-configured Inter-Switch Link (ISL) VLANs is blocked. Chapter 10 Configuring VLANs Configuring VLANs on the Switch Console> (enable) show port 2/4 ...
... the Catalyst 6500 series switches through 802.1Q trunks, you configure the same VLAN mappings on all appropriate switches in the network. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software...4095. In a network environment with non-Cisco devices that are connected to Cisco switches through 802.1Q trunks or traffic from a non-Cisco switch that has VLANs in the range 1-1000...Do not enter the native VLAN of user-configured Inter-Switch Link (ISL) VLANs is blocked. Chapter 10 Configuring VLANs Configuring VLANs on the Switch Console> (enable) show port 2/4 ...
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...400,500,521,524,570,776,801-802,850,917,999 11-8 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Command clear trunk mod_num...disable VLAN 1 on trunk interfaces. When you can disable VLAN 1 on a trunk interface, no user traffic is VLAN 1. Port 4/1 allowed vlans modified to the entire network topology, the possibility of... LAN switches, VLAN 1 is enabled on a trunk link and verify the configuration: Console> (enable) clear trunk 4/1 1 Removing Vlan(s) 1 from control protocols such as Cisco Discovery Protocol (CDP...
...400,500,521,524,570,776,801-802,850,917,999 11-8 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Command clear trunk mod_num...disable VLAN 1 on trunk interfaces. When you can disable VLAN 1 on a trunk interface, no user traffic is VLAN 1. Port 4/1 allowed vlans modified to the entire network topology, the possibility of... LAN switches, VLAN 1 is enabled on a trunk link and verify the configuration: Console> (enable) clear trunk 4/1 1 Removing Vlan(s) 1 from control protocols such as Cisco Discovery Protocol (CDP...
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... port to the proper VLAN for a MAC address-to-VLAN mapping. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 12-1 When you can dynamically assign switch ports to VLANs based on the source MAC address of these sections: • Understanding How... its database for that host dynamically. This chapter consists of the device connected to the port. The VMPS opens a User Datagram Protocol (UDP) socket to communicate and listen to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference.
... port to the proper VLAN for a MAC address-to-VLAN mapping. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 12-1 When you can dynamically assign switch ports to VLANs based on the source MAC address of these sections: • Understanding How... its database for that host dynamically. This chapter consists of the device connected to the port. The VMPS opens a User Datagram Protocol (UDP) socket to communicate and listen to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference.
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... priority) and 7 (high priority). • Classification is used in the three most significant bits (the User Priority bits). Yes Honor current CoS value 1Apply switch default CoS value 1From set qos default cos command 2From set qos map command Address lookup and other processing ...? Understanding How QoS Works Chapter 14 Configuring QoS QoS implements scheduling on supported egress ports with QoS Enabled-Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Frame enters switch Incoming No 802.1Q frame? Figure 14-1 shows how QoS affects the traffic flow. Queue 2 Queue ...
... priority) and 7 (high priority). • Classification is used in the three most significant bits (the User Priority bits). Yes Honor current CoS value 1Apply switch default CoS value 1From set qos default cos command 2From set qos map command Address lookup and other processing ...? Understanding How QoS Works Chapter 14 Configuring QoS QoS implements scheduling on supported egress ports with QoS Enabled-Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Frame enters switch Incoming No 802.1Q frame? Figure 14-1 shows how QoS affects the traffic flow. Queue 2 Queue ...
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... the process by a flow of traffic. A transmit queue is dropped, leaving the buffer available for the entire switch. Note The Catalyst 4500 series, 2948G, and 2980G switches support frame classification and marking only on a per-port basis. Understanding Scheduling There are stored before transmission. All ... of traffic to Transmit Queues and Drop Thresholds" section on the egress port where outgoing frames are two user-configurable transmit queues and one non-user-configurable transmit queue drop threshold for each transmit queue, see the "Mapping CoS Values to a queue. If...
... the process by a flow of traffic. A transmit queue is dropped, leaving the buffer available for the entire switch. Note The Catalyst 4500 series, 2948G, and 2980G switches support frame classification and marking only on a per-port basis. Understanding Scheduling There are stored before transmission. All ... of traffic to Transmit Queues and Drop Thresholds" section on the egress port where outgoing frames are two user-configurable transmit queues and one non-user-configurable transmit queue drop threshold for each transmit queue, see the "Mapping CoS Values to a queue. If...
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Not user-configurable Default Value Disabled 0 • Threshold 1:100%1 • Transmit queue drop threshold 1: CoS 0-71. • Transmit queue 1: CoS 0-7 • Transmit queue 2: None configured Configuring QoS on the Switch These sections describe how to configure QoS: • Enabling QoS Globally, ...reenables ports (which can cause spanning tree topology changes), enter QoS commands only when necessary. 14-4 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 QoS Default Configuration Table 14-1 shows the QoS default ...
Not user-configurable Default Value Disabled 0 • Threshold 1:100%1 • Transmit queue drop threshold 1: CoS 0-71. • Transmit queue 1: CoS 0-7 • Transmit queue 2: None configured Configuring QoS on the Switch These sections describe how to configure QoS: • Enabling QoS Globally, ...reenables ports (which can cause spanning tree topology changes), enter QoS commands only when necessary. 14-4 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 QoS Default Configuration Table 14-1 shows the QoS default ...