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...Timeout Periods 5-9 Checking Gigabit Ethernet Port Connectivity 5-10 Configuring Fast EtherChannel and Gigabit EtherChannel 6-1 Understanding How EtherChannel Works 6-1 EtherChannel Overview 6-2 Understanding Frame Distribution 6-2 Hardware Support for EtherChannel 6-2 PAgP and LACP 6-2 EtherChannel ...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
...Timeout Periods 5-9 Checking Gigabit Ethernet Port Connectivity 5-10 Configuring Fast EtherChannel and Gigabit EtherChannel 6-1 Understanding How EtherChannel Works 6-1 EtherChannel Overview 6-2 Understanding Frame Distribution 6-2 Hardware Support for EtherChannel 6-2 PAgP and LACP 6-2 EtherChannel ...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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...10-22 Deleting a Private VLAN 10-22 Deleting an Isolated or Community VLAN 10-23 Deleting a Private VLAN Mapping 10-23 Configuring VLAN Trunks on Fast Ethernet and Gigabit Ethernet Ports 11-1 Understanding How VLAN Trunks Work 11-1 Trunking Overview 11-1 Trunking Modes and Encapsulation Types 11-2 Trunking Support...-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 78-15486-01
...10-22 Deleting a Private VLAN 10-22 Deleting an Isolated or Community VLAN 10-23 Deleting a Private VLAN Mapping 10-23 Configuring VLAN Trunks on Fast Ethernet and Gigabit Ethernet Ports 11-1 Understanding How VLAN Trunks Work 11-1 Trunking Overview 11-1 Trunking Modes and Encapsulation Types 11-2 Trunking Support...-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 78-15486-01
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...Configuring RMON 25-1 Understanding How RMON Works 25-1 Enabling RMON 25-2 Viewing RMON Data 25-2 Supported RMON and RMON2 MIB Objects 25-2 26 C H A P T E R Configuring SPAN ... 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 System Clock 27-4 Creating a Login Banner 27-4 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
...Configuring RMON 25-1 Understanding How RMON Works 25-1 Enabling RMON 25-2 Viewing RMON Data 25-2 Supported RMON and RMON2 MIB Objects 25-2 26 C H A P T E R Configuring SPAN ... 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 System Clock 27-4 Creating a Login Banner 27-4 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
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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 ... Scheduling a System Reset 27-10 Scheduling a Reset at a Specific Time 27-10 Scheduling a Reset Within a Specified Amount of Time 27-11 Generating System Status Reports for Tech Support 27-12 Power Management 28-1 Understanding How Power Management Works on the Catalyst 4500 Series Switches 28-1 Power Management Overview 28-2...
...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 ... Scheduling a System Reset 27-10 Scheduling a Reset at a Specific Time 27-10 Scheduling a Reset Within a Specified Amount of Time 27-11 Generating System Status Reports for Tech Support 27-12 Power Management 28-1 Understanding How Power Management Works on the Catalyst 4500 Series Switches 28-1 Power Management Overview 28-2...
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... 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 interactive, networked services that let you access Cisco information, networking solutions, services..., CA 95134-9883 We appreciate your document or by writing to the technical support resources on Cisco.com. Obtaining Technical Assistance Cisco provides Cisco.com, which includes the Cisco Technical Assistance Center (TAC) website, as a starting point for online skill ...
... 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 interactive, networked services that let you access Cisco information, networking solutions, services..., CA 95134-9883 We appreciate your document or by writing to the technical support resources on Cisco.com. Obtaining Technical Assistance Cisco provides Cisco.com, which includes the Cisco Technical Assistance Center (TAC) website, as a starting point for online skill ...
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... resolve your technical issues by inadequate performance of support are assigned when severe network degradation significantly impacts business operations. 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 Configuration Guide-Release 8.1 xxix If you...
... resolve your technical issues by inadequate performance of support are assigned when severe network degradation significantly impacts business operations. 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 Configuration Guide-Release 8.1 xxix If you...
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... investment. Access the Cisco Product Catalog at 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 Obtaining Additional Publications and Information Preface Before calling, please check with your network operations center to determine the Cisco support services to which your...
... investment. Access the Cisco Product Catalog at 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 Obtaining Additional Publications and Information Preface Before calling, please check with your network operations center to determine the Cisco support services to which your...
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...in some cases, the default gateway) for system monitoring. unix_host% telnet Catalyst_1 Trying 172.16.10.10... 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 ... configure DNS properly on the switch and on DNS, 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 Switch CLI Command Modes The switch CLI supports two modes of the switch. (You must first set...
...in some cases, the default gateway) for system monitoring. unix_host% telnet Catalyst_1 Trying 172.16.10.10... 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 ... configure DNS properly on the switch and on DNS, 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 Switch CLI Command Modes The switch CLI supports two modes of the switch. (You must first set...
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... line from the cursor to the end of the command line. Ctrl-U; To use when entering and editing switch commands. Command-Line Editing The switch CLI supports a number of the command line. Table 2-1 lists the keystrokes you entered without the question mark (?). Ctrl...Deletes the character at the privileged prompt to the end of commands that begin with co, as VT100s. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-5 Esc B Moves the cursor backward one word. Ctrl-X Deletes from the cursor to ...
... line from the cursor to the end of the command line. Ctrl-U; To use when entering and editing switch commands. Command-Line Editing The switch CLI supports a number of the command line. Table 2-1 lists the keystrokes you entered without the question mark (?). Ctrl...Deletes the character at the privileged prompt to the end of commands that begin with co, as VT100s. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-5 Esc B Moves the cursor backward one word. Ctrl-X Deletes from the cursor to ...
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...01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-3 Other options that are ignored. If the me1 interface is configured and the sc0 interface is received from the DHCP server: • Manual allocation-The network administrator maps the switch ...Protocol (BOOTP) server responds to the sc0 interface IP address, the switch can obtain an IP address and other information. The switch broadcasts a DHCPDISCOVER message 1 to 10 seconds after all the supported options that are specified in the DHCPOFFER message are contained in the ...
...01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-3 Other options that are ignored. If the me1 interface is configured and the sc0 interface is received from the DHCP server: • Manual allocation-The network administrator maps the switch ...Protocol (BOOTP) server responds to the sc0 interface IP address, the switch can obtain an IP address and other information. The switch broadcasts a DHCPDISCOVER message 1 to 10 seconds after all the supported options that are specified in the DHCPOFFER message are contained in the ...
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...Understanding How Ethernet Works These sections describe how Ethernet switching works on switching modules and fixed-configuration switches, as well as to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. Note For complete syntax and usage ... and Fast Ethernet switch ports on the Catalyst enterprise LAN switches: • Ethernet Overview, page 4-1 • Switching Frames Between Segments, page 4-2 • Building the Address Table, page 4-2 Ethernet Overview The Catalyst enterprise LAN switches support simultaneous, parallel conversations...
...Understanding How Ethernet Works These sections describe how Ethernet switching works on switching modules and fixed-configuration switches, as well as to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. Note For complete syntax and usage ... and Fast Ethernet switch ports on the Catalyst enterprise LAN switches: • Ethernet Overview, page 4-1 • Switching Frames Between Segments, page 4-2 • Building the Address Table, page 4-2 Ethernet Overview The Catalyst enterprise LAN switches support simultaneous, parallel conversations...
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...defined by a configurable aging timer, so if an address remains inactive for Gigabit Ethernet ports, it is 20 Mbps. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-2 78-15486-01 Normally, Ethernet operates in half-duplex mode, which workstations or servers.... Ports on the switches (Gigabit Ethernet ports support only full duplex). In full-duplex mode, two stations can store at the same time. Because each port as an individual segment. When the destination station replies, the switch adds its own 10-, 100-, or 1000-Mbps ...
...defined by a configurable aging timer, so if an address remains inactive for Gigabit Ethernet ports, it is 20 Mbps. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-2 78-15486-01 Normally, Ethernet operates in half-duplex mode, which workstations or servers.... Ports on the switches (Gigabit Ethernet ports support only full duplex). In full-duplex mode, two stations can store at the same time. Because each port as an individual segment. When the destination station replies, the switch adds its own 10-, 100-, or 1000-Mbps ...
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...supported: • WS-X4412-2GB-T This 1000BASE-T 14-port module provides 2 dedicated uplink module ports (GBIC) and 12 oversubscribed ports (possible blocking). 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...5 Configuring Gigabit Ethernet Switching Understanding How Gigabit Ethernet Works Understanding How Port Negotiation Works Caution Unlike autonegotiation with 10/100 Fast Ethernet, Gigabit Ethernet... (even though Cisco Gigabit Ethernet ports only support full-duplex mode). To determine which features a 1000BASE-T Gigabit Ethernet port supports, enter the ...
...supported: • WS-X4412-2GB-T This 1000BASE-T 14-port module provides 2 dedicated uplink module ports (GBIC) and 12 oversubscribed ports (possible blocking). 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...5 Configuring Gigabit Ethernet Switching Understanding How Gigabit Ethernet Works Understanding How Port Negotiation Works Caution Unlike autonegotiation with 10/100 Fast Ethernet, Gigabit Ethernet... (even though Cisco Gigabit Ethernet ports only support full-duplex mode). To determine which features a 1000BASE-T Gigabit Ethernet port supports, enter the ...
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... and trunk-capable NICs, share the oversubscribed port groups that are grouped for Module WS-X4448-GB-RJ45 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 17, 18, 19, 20, 25, 26, 27, 28... devices to the switch through a two-port Gigabit EtherChannel trunk link providing 2-Gbps bandwidth. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release...device that support the Port Aggregation Protocol (PAgP). These configurations are shown: • Server A, equipped with channel- Chapter 5 Configuring Gigabit Ethernet Switching Understanding How ...
... and trunk-capable NICs, share the oversubscribed port groups that are grouped for Module WS-X4448-GB-RJ45 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 17, 18, 19, 20, 25, 26, 27, 28... devices to the switch through a two-port Gigabit EtherChannel trunk link providing 2-Gbps bandwidth. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release...device that support the Port Aggregation Protocol (PAgP). These configurations are shown: • Server A, equipped with channel- Chapter 5 Configuring Gigabit Ethernet Switching Understanding How ...
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...; Understanding Frame Distribution, page 6-2 • Hardware Support for the commands used in this chapter, refer to supervisor engine Fast Ethernet and Gigabit Ethernet uplink ports. Note For complete information on switching modules and fixed-configuration switches, as well as to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. The configuration procedures in this...
...; Understanding Frame Distribution, page 6-2 • Hardware Support for the commands used in this chapter, refer to supervisor engine Fast Ethernet and Gigabit Ethernet uplink ports. Note For complete information on switching modules and fixed-configuration switches, as well as to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. The configuration procedures in this...
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..., which ports you can configure any two to eight ports. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-2 78-15486-01 The configuration is sent when a failure identifies the switch, the EtherChannel, and the failed link. PAgP is defined in... bundles as an EtherChannel. To use PAgP, see the "Understanding the PAgP" section on Cisco switches and those switches released by the spanning tree feature, the maximum supported number of each frame. If a port within an EtherChannel fails, traffic previously carried over ...
..., which ports you can configure any two to eight ports. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-2 78-15486-01 The configuration is sent when a failure identifies the switch, the EtherChannel, and the failed link. PAgP is defined in... bundles as an EtherChannel. To use PAgP, see the "Understanding the PAgP" section on Cisco switches and those switches released by the spanning tree feature, the maximum supported number of each frame. If a port within an EtherChannel fails, traffic previously carried over ...
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the ports do not display the channel. Note Switches can form an EtherChannel as long as a link failure and its ports are down . • LACP does not support half-duplex links. If you cannot run two protocols on a module. • PAgP and LACP are not compatible;... get the port to join spanning tree, either set the duplex to full or set back to full duplex. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-3 Guidelines for Configuring a Port This section lists the guidelines and restrictions for configuring a port for ...
the ports do not display the channel. Note Switches can form an EtherChannel as long as a link failure and its ports are down . • LACP does not support half-duplex links. If you cannot run two protocols on a module. • PAgP and LACP are not compatible;... get the port to join spanning tree, either set the duplex to full or set back to full duplex. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-3 Guidelines for Configuring a Port This section lists the guidelines and restrictions for configuring a port for ...
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Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-4 78-15486-01 ...In software releases prior to 6.3(1), traffic was disrupted when you must set differently on the ports. • Cisco Discovery Protocol (CDP) runs on the physical port even after the port is used . Configuring ports in an... security feature for ports in different trunk modes can adversely affect switch performance. • Ports with ports that have unexpected results. • An EtherChannel supports the same allowed range of the ports is a SPAN destination...
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-4 78-15486-01 ...In software releases prior to 6.3(1), traffic was disrupted when you must set differently on the ports. • Cisco Discovery Protocol (CDP) runs on the physical port even after the port is used . Configuring ports in an... security feature for ports in different trunk modes can adversely affect switch performance. • Ports with ports that have unexpected results. • An EtherChannel supports the same allowed range of the ports is a SPAN destination...
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...VLANs at the boundary of STP (IST) that trunks carry all . 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-15 For private VLANs, secondary VLANs are supported in MST mode; MST bridges run a variant of MST regions to become the CST ... MST regions. - Loop guard and root guard are always encapsulated within MST BPDUs (MST BPDUs). MST switches behave as CST outside an MST region. M-records are supported in any VLAN in MST. Chapter 7 Configuring Spanning Tree Understanding How MST Works MST uses the modified ...
...VLANs at the boundary of STP (IST) that trunks carry all . 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-15 For private VLANs, secondary VLANs are supported in MST mode; MST bridges run a variant of MST regions to become the CST ... MST regions. - Loop guard and root guard are always encapsulated within MST BPDUs (MST BPDUs). MST switches behave as CST outside an MST region. M-records are supported in any VLAN in MST. Chapter 7 Configuring Spanning Tree Understanding How MST Works MST uses the modified ...
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...• Data traffic from the pseudobridge's ports have different bridge identifiers. In a Catalyst 4500 series switch running MST, IST (instance 0) corresponds to the configuration. MST Instances This release supports up to block the ports of the SST regions. • A pseudo bridge ...Common Spanning Tree 802.1Q specifies a single spanning tree for each time you commit the MST configuration. 7-18 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 BPDUs sent from a single SST bridge as follows: •...
...• Data traffic from the pseudobridge's ports have different bridge identifiers. In a Catalyst 4500 series switch running MST, IST (instance 0) corresponds to the configuration. MST Instances This release supports up to block the ports of the SST regions. • A pseudo bridge ...Common Spanning Tree 802.1Q specifies a single spanning tree for each time you commit the MST configuration. 7-18 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 BPDUs sent from a single SST bridge as follows: •...