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... Ethernet Configurations 4-2 Configuring Ethernet and Fast Ethernet Ports 4-3 Setting Ethernet and Fast Ethernet Port Names 4-3 Setting Ethernet and Fast Ethernet Port Priority Levels 4-4 Setting Ethernet and Fast Ethernet Port Speeds 4-4 Setting Ethernet and Fast Ethernet Port Duplex Modes 4-5 Setting Ethernet and Fast Ethernet Port Debounce Timers 4-6 Configuring errdisable 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...
... Ethernet Configurations 4-2 Configuring Ethernet and Fast Ethernet Ports 4-3 Setting Ethernet and Fast Ethernet Port Names 4-3 Setting Ethernet and Fast Ethernet Port Priority Levels 4-4 Setting Ethernet and Fast Ethernet Port Speeds 4-4 Setting Ethernet and Fast Ethernet Port Duplex Modes 4-5 Setting Ethernet and Fast Ethernet Port Debounce Timers 4-6 Configuring errdisable 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...
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...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 Gigabit Ethernet Works 5-3 Default Gigabit Ethernet Configuration 5-6 Configuring Gigabit Ethernet Ports 5-7 Assigning Gigabit Ethernet Port Names 5-7 Configuring Gigabit Ethernet Port Priority Levels 5-7 Configuring Flow Control on Gigabit Ethernet Ports ...Configuration Examples 6-12 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 v
...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 Gigabit Ethernet Works 5-3 Default Gigabit Ethernet Configuration 5-6 Configuring Gigabit Ethernet Ports 5-7 Assigning Gigabit Ethernet Port Names 5-7 Configuring Gigabit Ethernet Port Priority Levels 5-7 Configuring Flow Control on Gigabit Ethernet Ports ...Configuration Examples 6-12 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 v
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...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 Deleting a VLAN 10-12 Configuring Auxiliary VLANs 10-13 Understanding Auxiliary VLANs 10-13 Catalyst 4500 Series, Catalyst...
...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 Deleting a VLAN 10-12 Configuring Auxiliary VLANs 10-13 Understanding Auxiliary VLANs 10-13 Catalyst 4500 Series, Catalyst...
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...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 11-3 802.1Q Trunk...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
...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 11-3 802.1Q Trunk...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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..., UplinkFast, and BackboneFast features. Configuring Ethernet and Fast Ethernet Switching Describes how to configure the Spanning Tree Protocol and explains how spanning tree works. Configuring Spanning Tree Describes how to configure Ethernet and Fast Ethernet switching on the switch. Filter, UplinkFast, BackboneFast, and Loop Guard 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xxiii
..., UplinkFast, and BackboneFast features. Configuring Ethernet and Fast Ethernet Switching Describes how to configure the Spanning Tree Protocol and explains how spanning tree works. Configuring Spanning Tree Describes how to configure Ethernet and Fast Ethernet switching on the switch. Filter, UplinkFast, BackboneFast, and Loop Guard 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xxiii
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... IP permit list on the switch. Checking Status and Connectivity Describes how to display information about modules and switch ports and how to configure quality of service (QoS). xxiv Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 ...Description Configuring VTP Describes how to configure VLAN Trunking Protocol (VTP) on the switch. Configuring VLAN Trunks on Fast Ethernet and Gigabit Ethernet Ports Describes how to configure Cisco Group Management Protocol (CGMP), Internet Group Management Protocol (IGMP) snooping, and GARP...
... IP permit list on the switch. Checking Status and Connectivity Describes how to display information about modules and switch ports and how to configure quality of service (QoS). xxiv Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 ...Description Configuring VTP Describes how to configure VLAN Trunking Protocol (VTP) on the switch. Configuring VLAN Trunks on Fast Ethernet and Gigabit Ethernet Ports Describes how to configure Cisco Group Management Protocol (CGMP), Internet Group Management Protocol (IGMP) snooping, and GARP...
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...; Optional redundant power supplies • 12 1000BASE-X (GBIC) Gigabit Ethernet ports Catalyst 4503 • Modular 3-slot chassis • 28-Gbps full duplex backplane • Optional redundant power supplies Catalyst 4506 • Modular 6-slot chassis • 64 Gbps full duplex • Optional redundant power supplies Catalyst 2948G Switch Note For installation information and a complete description of the...
...; Optional redundant power supplies • 12 1000BASE-X (GBIC) Gigabit Ethernet ports Catalyst 4503 • Modular 3-slot chassis • 28-Gbps full duplex backplane • Optional redundant power supplies Catalyst 4506 • Modular 6-slot chassis • 64 Gbps full duplex • Optional redundant power supplies Catalyst 2948G Switch Note For installation information and a complete description of the...
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... information, see Chapter 2, "Using the Command-Line Interface." Table 1-3 Catalyst 2980G Switch Product Number WS-C2980G-A Chassis Description Catalyst 2980G • Fixed-configuration switch • 12-Gbps backplane • Optional redundant power supplies • Two 1000BASE-X (GBIC) Gigabit Ethernet ports • 80 10/100BASE-TX Fast Ethernet ports Supervisor Engine Software The supervisor engine software is...
... information, see Chapter 2, "Using the Command-Line Interface." Table 1-3 Catalyst 2980G Switch Product Number WS-C2980G-A Chassis Description Catalyst 2980G • Fixed-configuration switch • 12-Gbps backplane • Optional redundant power supplies • Two 1000BASE-X (GBIC) Gigabit Ethernet ports • 80 10/100BASE-TX Fast Ethernet ports Supervisor Engine Software The supervisor engine software is...
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..., page 3-10 Understanding How the Switch Management Interfaces Work The Catalyst 4500 series, the Catalyst 2948G, and the Catalyst 2980G switches have three management interfaces: • In-band interface (sc0) • SLIP interface (s10) • Management Ethernet interface (me1) The in-band ...-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-1 The out-of-band management interfaces (me1 and sl0) are not connected to the switching fabric and participates in any of a normal switch port, such as spanning tree, Cisco Discovery...
..., page 3-10 Understanding How the Switch Management Interfaces Work The Catalyst 4500 series, the Catalyst 2948G, and the Catalyst 2980G switches have three management interfaces: • In-band interface (sc0) • SLIP interface (s10) • Management Ethernet interface (me1) The in-band ...-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-1 The out-of-band management interfaces (me1 and sl0) are not connected to the switching fabric and participates in any of a normal switch port, such as spanning tree, Cisco Discovery...
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...following information, as appropriate: • IP address for the switch (sc0 and me1 interfaces only) • Subnet mask/number of -band management Ethernet interface on the switch. - If a response is received, the switch sets the in-band (sc0) interface IP address to the ... setting up a point-to-point SLIP connection between requests increases exponentially). Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-4 78-15486-01 If you reset or power cycle a switch with a DHCP- Preparing to Configure the IP Address and Default Gateway ...
...following information, as appropriate: • IP address for the switch (sc0 and me1 interfaces only) • Subnet mask/number of -band management Ethernet interface on the switch. - If a response is received, the switch sets the in-band (sc0) interface IP address to the ... setting up a point-to-point SLIP connection between requests increases exponentially). Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-4 78-15486-01 If you reset or power cycle a switch with a DHCP- Preparing to Configure the IP Address and Default Gateway ...
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...), and (optional) broadcast address to the in dotted decimal format. Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-5 show interface This example shows how to assign an IP address, specify the...interface. Assign the in -band (sc0) logical interface or the management Ethernet (me1) interface. Table 3-2 Switch IP Address and Default Gateway Default Configuration Feature In-band (sc0) interface Management Ethernet (me1) interface Default gateway address SLIP (sl0) interface Default Value ...
...), and (optional) broadcast address to the in dotted decimal format. Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-5 show interface This example shows how to assign an IP address, specify the...interface. Assign the in -band (sc0) logical interface or the management Ethernet (me1) interface. Table 3-2 Switch IP Address and Default Gateway Default Configuration Feature In-band (sc0) interface Management Ethernet (me1) interface Default gateway address SLIP (sl0) interface Default Value ...
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... the management Ethernet (me1) interface. To set . set . You can Telnet to the switch or use the IP routing table to the default gateway (typically a router interface in the same network or subnet as the switch IP address). If necessary, bring the interface up Verify the interface configuration. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software...
... the management Ethernet (me1) interface. To set . set . You can Telnet to the switch or use the IP routing table to the default gateway (typically a router interface in the same network or subnet as the switch IP address). If necessary, bring the interface up Verify the interface configuration. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software...
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.... If more default gateways, perform this task in -band (sc0) and management Ethernet (me1) interfaces are configured when you specify default gateways, then the switch software automatically determines through which interface each default gateway is the primary default gateway.... ip route default 10.1.1.1 primary Route added. sc0 sc0 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-7 You can be reached. The switch sends periodic ping messages to verify the default gateway configuration: Console> (enable...
.... If more default gateways, perform this task in -band (sc0) and management Ethernet (me1) interfaces are configured when you specify default gateways, then the switch software automatically determines through which interface each default gateway is the primary default gateway.... ip route default 10.1.1.1 primary Route added. sc0 sc0 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-7 You can be reached. The switch sends periodic ping messages to verify the default gateway configuration: Console> (enable...
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... chapter consists of the packet. The configuration procedures in this chapter apply to Ethernet 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 between different segments for the duration of these...
... chapter consists of the packet. The configuration procedures in this chapter apply to Ethernet 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 between different segments for the duration of these...
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... receive at the same time. Default Ethernet and Fast Ethernet Configurations Table 4-1 lists the Ethernet and Fast Ethernet default configurations. The switch then forwards subsequent frames to a single port without flooding any entries. The switch uses an aging mechanism, which workstations or servers connect to the network. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-2 78...
... receive at the same time. Default Ethernet and Fast Ethernet Configurations Table 4-1 lists the Ethernet and Fast Ethernet default configurations. The switch then forwards subsequent frames to a single port without flooding any entries. The switch uses an aging mechanism, which workstations or servers connect to the network. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-2 78...
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... Ethernet and Fast Ethernet Ports These sections describe how to configure Ethernet and Fast Ethernet switching ports on the Catalyst enterprise LAN switches: • Setting Ethernet and Fast Ethernet Port Names, page 4-3 • Setting Ethernet and Fast Ethernet Port Priority Levels, page 4-4 • Setting Ethernet and Fast Ethernet Port Speeds, page 4-4 • Setting Ethernet and Fast Ethernet Port Duplex Modes, page 4-5 • Setting Ethernet and Fast Ethernet...
... Ethernet and Fast Ethernet Ports These sections describe how to configure Ethernet and Fast Ethernet switching ports on the Catalyst enterprise LAN switches: • Setting Ethernet and Fast Ethernet Port Names, page 4-3 • Setting Ethernet and Fast Ethernet Port Priority Levels, page 4-4 • Setting Ethernet and Fast Ethernet Port Speeds, page 4-4 • Setting Ethernet and Fast Ethernet Port Duplex Modes, page 4-5 • Setting Ethernet and Fast Ethernet...
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... speed and duplex mode with the neighboring port. To set . Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-4 78-15486-01 Console> (enable...) show port 1 Port Name Status Vlan Level Duplex Speed Type 1/1 Router Connection connected trunk high half 100 100BaseTX 1/2 Server Link connected trunk normal half 100 100BaseTX Last-Time-Cleared Tue Jun 16 1998, 16:25:57 Console> (enable) Setting Ethernet...
... speed and duplex mode with the neighboring port. To set . Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-4 78-15486-01 Console> (enable...) show port 1 Port Name Status Vlan Level Duplex Speed Type 1/1 Router Connection connected trunk high half 100 100BaseTX 1/2 Server Link connected trunk normal half 100 100BaseTX Last-Time-Cleared Tue Jun 16 1998, 16:25:57 Console> (enable) Setting Ethernet...
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...]] This example shows how to set the duplex mode to 100 Mbps on page 4-4. Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-5 To set port speed mod num/port num {10 | 100 | port. Note If the... port speed is also configured for autonegotiation. auto} Verify that the speed of ports that the duplex mode of a 10/100-Mbps Fast Ethernet...
...]] This example shows how to set the duplex mode to 100 Mbps on page 4-4. Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-5 To set port speed mod num/port num {10 | 100 | port. Note If the... port speed is also configured for autonegotiation. auto} Verify that the speed of ports that the duplex mode of a 10/100-Mbps Fast Ethernet...
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... physically down ; Console> (enable) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-6 78-15486-01 This situation might affect the convergence/reconvergence of a link down , and once the port is configured correctly. To set the debounce timer on a per-port basis for Ethernet, Fast Ethernet, and Gigabit Ethernet ports. Use with caution. When...
... physically down ; Console> (enable) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-6 78-15486-01 This situation might affect the convergence/reconvergence of a link down , and once the port is configured correctly. To set the debounce timer on a per-port basis for Ethernet, Fast Ethernet, and Gigabit Ethernet ports. Use with caution. When...
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...reason is 30 to 86,400 seconds (30 seconds to 24 hours). Console>(enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-7 However, because the NVRAM configuration for the port is enabled (you ... 450 Successfully set port errdisable-timeout 3/3 disable Successfully disabled errdisable-timeout for errdisable timeout. Chapter 4 Configuring Ethernet and Fast Ethernet Switching Configuring Ethernet and Fast Ethernet Ports This example shows how to display the per-port debounce timer settings: Console> (enable) show port...
...reason is 30 to 86,400 seconds (30 seconds to 24 hours). Console>(enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-7 However, because the NVRAM configuration for the port is enabled (you ... 450 Successfully set port errdisable-timeout 3/3 disable Successfully disabled errdisable-timeout for errdisable timeout. Chapter 4 Configuring Ethernet and Fast Ethernet Switching Configuring Ethernet and Fast Ethernet Ports This example shows how to display the per-port debounce timer settings: Console> (enable) show port...