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...% telnet Catalyst_1 Trying 172.16.10.10... Cisco Systems Console Enter password: After you successfully connect to the switch using Telnet, see Chapter 3, "Configuring the Switch IP Address and Default Gateway." For more information...remote host using the IP address or the DNS host name of operation: • Normal (also called login or user mode) • Privileged (also called enable mode) Both modes are password protected. Note For complete information on DNS, see Chapter 30, "Configuring Switch Access Using AAA." 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst...
...% telnet Catalyst_1 Trying 172.16.10.10... Cisco Systems Console Enter password: After you successfully connect to the switch using Telnet, see Chapter 3, "Configuring the Switch IP Address and Default Gateway." For more information...remote host using the IP address or the DNS host name of operation: • Normal (also called login or user mode) • Privileged (also called enable mode) Both modes are password protected. Note For complete information on DNS, see Chapter 30, "Configuring Switch Access Using AAA." 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst...
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...78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-1 Table 5-1 identifies the Catalyst Gigabit Ethernet switches, modules, and ports that requests remote ports to delay sending packets for the commands used in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference...., page 5-7 Understanding How Gigabit Ethernet Works The following sections describe how Gigabit Ethernet works. Understanding How Gigabit Ethernet Flow Control Works Flow control is called a pause frame.
...78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-1 Table 5-1 identifies the Catalyst Gigabit Ethernet switches, modules, and ports that requests remote ports to delay sending packets for the commands used in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference...., page 5-7 Understanding How Gigabit Ethernet Works The following sections describe how Gigabit Ethernet works. Understanding How Gigabit Ethernet Flow Control Works Flow control is called a pause frame.
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... a remote port is set to receive on or send desired. Indicates preference to process pause frames, but autonegotiates flow control. Understanding How Gigabit Ethernet Works Chapter 5 Configuring Gigabit Ethernet Switching Table 5-1 Send Capability by Switch Type, Module, and Ports Switch Type Catalyst 4000 Catalyst 4500 Catalyst 4000 Catalyst 4500 Catalyst 4000 Catalyst 4500 Catalyst 4000 Catalyst 4500 Catalyst 4000 Catalyst 4500 Catalyst 4000 Catalyst 4500 Catalyst 4000 Catalyst 4500 Catalyst...
... a remote port is set to receive on or send desired. Indicates preference to process pause frames, but autonegotiates flow control. Understanding How Gigabit Ethernet Works Chapter 5 Configuring Gigabit Ethernet Switching Table 5-1 Send Capability by Switch Type, Module, and Ports Switch Type Catalyst 4000 Catalyst 4500 Catalyst 4000 Catalyst 4500 Catalyst 4000 Catalyst 4500 Catalyst 4000 Catalyst 4500 Catalyst 4000 Catalyst 4500 Catalyst 4000 Catalyst 4500 Catalyst 4000 Catalyst 4500 Catalyst...
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...-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-3 The ports on Gigabit Ethernet ports using the set inconsistently (port negotiation enabled on one port and disabled on 1000BASE-T Gigabit Ethernet ports. Near End refers to exchange flow-control parameters, remote fault information, and duplex information (even though Cisco Gigabit Ethernet ports...
...-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-3 The ports on Gigabit Ethernet ports using the set inconsistently (port negotiation enabled on one port and disabled on 1000BASE-T Gigabit Ethernet ports. Near End refers to exchange flow-control parameters, remote fault information, and duplex information (even though Cisco Gigabit Ethernet ports...
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... IP address and default gateway, see Chapter 3, "Configuring the Switch IP Address and Default Gateway." Escape character is disconnected. Using Telnet Chapter 20 Checking Status and Connectivity Flow control Security Membership Fast start QOS scheduling CoS rewrite ToS rewrite Rewrite... disconnected automatically). 20-6 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Before you can use Telnet from the switch to access other devices in privileged mode: Task Open a Telnet session to a remote host. Command telnet host...
... IP address and default gateway, see Chapter 3, "Configuring the Switch IP Address and Default Gateway." Escape character is disconnected. Using Telnet Chapter 20 Checking Status and Connectivity Flow control Security Membership Fast start QOS scheduling CoS rewrite ToS rewrite Rewrite... disconnected automatically). 20-6 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Before you can use Telnet from the switch to access other devices in privileged mode: Task Open a Telnet session to a remote host. Command telnet host...
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...Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 If you can do not configure a TACACS+ key, packets are not encrypted. With TACACS+, you do the following : • Enable or disable RADIUS authentication to control login access • Enable or disable RADIUS authentication to control... How RADIUS Authentication Works RADIUS is a client-server authentication and authorization access protocol that is used to RFC 2138, "Remote Authentication Dial In User Service (RADIUS)." If you configure a key on the client, it must be the same as...
...Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 If you can do not configure a TACACS+ key, packets are not encrypted. With TACACS+, you do the following : • Enable or disable RADIUS authentication to control login access • Enable or disable RADIUS authentication to control... How RADIUS Authentication Works RADIUS is a client-server authentication and authorization access protocol that is used to RFC 2138, "Remote Authentication Dial In User Service (RADIUS)." If you configure a key on the client, it must be the same as...
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...is available in which is the only supported authentication server; When the switch receives frames from the switch. The controlled port is open . After this release, the Remote Authentication Dial-In User Service (RADIUS) security system with Extensible Authentication ...Cisco Secure Access Control Server version 3.0. The RADIUS client encapsulates and decapsulates the EAP frames and interacts with the RADIUS client. In this authorization takes place, the controlled port opens, allowing normal traffic to the host. 31-2 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
...is available in which is the only supported authentication server; When the switch receives frames from the switch. The controlled port is open . After this release, the Remote Authentication Dial-In User Service (RADIUS) security system with Extensible Authentication ...Cisco Secure Access Control Server version 3.0. The RADIUS client encapsulates and decapsulates the EAP frames and interacts with the RADIUS client. In this authorization takes place, the controlled port opens, allowing normal traffic to the host. 31-2 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
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...the authenticator PAE, whether the host PAE is located remotely, because RADIUS has extensions that requests access to the LAN/switch services and responds to do so by the authentication server. Both Bidirectional flow control, incoming and outgoing, at one end of attachment to... PAE. Encapsulated EAP messages that allows the uncontrolled exchange of EAP frames built into it. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 31-5 Protocol object that is authorized. Authorized state Status of the port after the...
...the authenticator PAE, whether the host PAE is located remotely, because RADIUS has extensions that requests access to the LAN/switch services and responds to do so by the authentication server. Both Bidirectional flow control, incoming and outgoing, at one end of attachment to... PAE. Encapsulated EAP messages that allows the uncontrolled exchange of EAP frames built into it. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 31-5 Protocol object that is authorized. Authorized state Status of the port after the...
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...authentication if they meet the specific requirements that were previously configured for it. 31-8 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 To globally enable 802.1x authentication, ...control enabled. Authentication Configuration Guidelines Chapter 31 Configuring 802.1x Authentication Authentication Configuration Guidelines This section provides the guidelines for configuring 802.1x authentication on the switch: • 802.1x will work with other protocols, but we recommend that you use RADIUS with a remotely...
...authentication if they meet the specific requirements that were previously configured for it. 31-8 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 To globally enable 802.1x authentication, ...control enabled. Authentication Configuration Guidelines Chapter 31 Configuring 802.1x Authentication Authentication Configuration Guidelines This section provides the guidelines for configuring 802.1x authentication on the switch: • 802.1x will work with other protocols, but we recommend that you use RADIUS with a remotely...
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... Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 35-5 TFTP uses the User Datagram Protocol (UDP), which you will use rcp to copy files, the server from a switch to a TFTP server for storage: Console> (enable) copy config tftp IP address or name of remote... file. Check connectivity to the TFTP server using the copy config tftp or the write network command. rcp uses the Transmission Control Protocol (TCP), a connection-oriented protocol; Make sure the permissions on the file are set correctly. Specify the IP address ...
... Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 35-5 TFTP uses the User Datagram Protocol (UDP), which you will use rcp to copy files, the server from a switch to a TFTP server for storage: Console> (enable) copy config tftp IP address or name of remote... file. Check connectivity to the TFTP server using the copy config tftp or the write network command. rcp uses the Transmission Control Protocol (TCP), a connection-oriented protocol; Make sure the permissions on the file are set correctly. Specify the IP address ...
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...qos radius rmon security snmp spantree sys tac tcp telnet tftp udld vmps vtp Definition Cisco Discovery Protocol Dynamic Trunking Protocol Dual Ring Protocol Dynamic VLAN Enhanced Address Recognition Logic ...Remote Monitoring Port security Simple Network Management Protocol Spanning-Tree Protocol System TACACS+ authentication Transmission Control Protocol Terminal emulation protocol in the TCP/IP protocol stack Trivial File Transfer Protocol UniDirectional Link Detection VLAN Membership Policy Server VLAN Trunking Protocol 37-2 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
...qos radius rmon security snmp spantree sys tac tcp telnet tftp udld vmps vtp Definition Cisco Discovery Protocol Dynamic Trunking Protocol Dual Ring Protocol Dynamic VLAN Enhanced Address Recognition Logic ...Remote Monitoring Port security Simple Network Management Protocol Spanning-Tree Protocol System TACACS+ authentication Transmission Control Protocol Terminal emulation protocol in the TCP/IP protocol stack Trivial File Transfer Protocol UniDirectional Link Detection VLAN Membership Policy Server VLAN Trunking Protocol 37-2 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
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... remote copy protocol Router Group Management Protocol routing information field remote monitoring read-only memory route processor Route Switch Module Security Association Identifier synergy advanced multipurpose bus arbiter service access point segmentation and reassembly Serial Control ... Subnetwork Access Protocol Simple Network Management Protocol Switched Port Analyzer source-route bridging source-route transparent bridging Service-Specific Connection Oriented Protocol 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 A-7
... remote copy protocol Router Group Management Protocol routing information field remote monitoring read-only memory route processor Route Switch Module Security Association Identifier synergy advanced multipurpose bus arbiter service access point segmentation and reassembly Serial Control ... Subnetwork Access Protocol Simple Network Management Protocol Switched Port Analyzer source-route bridging source-route transparent bridging Service-Specific Connection Oriented Protocol 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 A-7