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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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... publication is organized, and its document conventions. Configuring Spanning Tree Describes how to perform a baseline configuration of the Catalyst enterprise LAN switches. Configuring Spanning Tree Describes how to configure Ethernet and Fast Ethernet switching on the switch. Preface This preface describes who are responsible for experienced network administrators who should read the Software Configuration Guide, how...
... publication is organized, and its document conventions. Configuring Spanning Tree Describes how to perform a baseline configuration of the Catalyst enterprise LAN switches. Configuring Spanning Tree Describes how to configure Ethernet and Fast Ethernet switching on the switch. Preface This preface describes who are responsible for experienced network administrators who should read the Software Configuration Guide, how...
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... Fast Ethernet and Gigabit Ethernet Ports Describes how to configure Inter-Switch Link (ISL) and IEEE 802.1Q VLAN trunks on the switch. Configuring UDLD Describes how to configure the UniDirectional Link Detection (UDLD) protocol on the switch. Configuring Port Security Describes how to configure port security on the switch. xxiv Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software...
... Fast Ethernet and Gigabit Ethernet Ports Describes how to configure Inter-Switch Link (ISL) and IEEE 802.1Q VLAN trunks on the switch. Configuring UDLD Describes how to configure the UniDirectional Link Detection (UDLD) protocol on the switch. Configuring Port Security Describes how to configure port security on the switch. xxiv Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software...
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... • 48 10/100BASE-TX Fast Ethernet ports Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 1-2 78-15486-01 Catalyst 2948G Switch Chapter 1 Product Overview Table 1-1 Catalyst 4000 Series and Catalyst 4500 Series Switches (continued) Product Number WS-C4912G Catalyst 4500 Series WS-C4503 WS-C4506 Chassis Description Catalyst 4912G • Fixed-configuration switch • 12-Gbps backplane • Optional redundant power...
... • 48 10/100BASE-TX Fast Ethernet ports Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 1-2 78-15486-01 Catalyst 2948G Switch Chapter 1 Product Overview Table 1-1 Catalyst 4000 Series and Catalyst 4500 Series Switches (continued) Product Number WS-C4912G Catalyst 4500 Series WS-C4503 WS-C4506 Chassis Description Catalyst 4912G • Fixed-configuration switch • 12-Gbps backplane • Optional redundant power...
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... installed on every supervisor engine module or fixed-configuration switch. 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...
... installed on every supervisor engine module or fixed-configuration switch. 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...to the switching fabric and participates in all of the functions of these functions. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-1 This chapter consists of a normal switch port, such as spanning tree, Cisco Discovery Protocol...
... 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...to the switching fabric and participates in all of the functions of these functions. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-1 This chapter consists of a normal switch port, such as spanning tree, Cisco Discovery Protocol...
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...of -band management Ethernet interface on the IP address. If you reset or power cycle a switch with a RARP-obtained IP address, the information that is learned from RARP is specified in the RARP response. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-...Release 8.1 3-4 78-15486-01 If a response is received, the switch sets the in-band (sc0) interface IP address to the address ...
...of -band management Ethernet interface on the IP address. If you reset or power cycle a switch with a RARP-obtained IP address, the information that is learned from RARP is specified in the RARP response. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-...Release 8.1 3-4 78-15486-01 If a response is received, the switch sets the in-band (sc0) interface IP address to the address ...
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...Gateway Configuration Table 3-2 shows the default IP address and default gateway configuration. 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 ... mask (or number of subnet bits or using the number of set . 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 • IP address...
...Gateway Configuration Table 3-2 shows the default IP address and default gateway configuration. 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 ... mask (or number of subnet bits or using the number of set . 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 • IP address...
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... mask in -band (sc0) logical interface or the management Ethernet (me1) interface. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-6 78-15486-01 The me1 interface is present only on the Catalyst 4500 series, Catalyst 2948G, and Catalyst 2980G switches. You can Telnet to the switch or use the IP routing table to either the in...
... mask in -band (sc0) logical interface or the management Ethernet (me1) interface. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-6 78-15486-01 The me1 interface is present only on the Catalyst 4500 series, Catalyst 2948G, and Catalyst 2980G switches. You can Telnet to the switch or use the IP routing table to either the in...
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... Task Command Configure a default IP gateway address for the switch. If both the 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 ... 0 Interface --------- Console> (enable) show ip route in the IP routing table. sc0 sc0 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-7 Command clear ip route default gateway clear ip route all default gateways and static ...
... Task Command Configure a default IP gateway address for the switch. If both the 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 ... 0 Interface --------- Console> (enable) show ip route in the IP routing table. sc0 sc0 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-7 Command clear ip route default gateway clear ip route all default gateways and static ...
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... packet. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-1 New connections can be made between Ethernet segments. Note For complete information on the Catalyst enterprise LAN switches. The configuration procedures in this chapter, refer to Ethernet and Fast Ethernet switch ports on the Catalyst enterprise LAN switches: • Ethernet Overview, page 4-1 • Switching Frames Between Segments, page...
... packet. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-1 New connections can be made between Ethernet segments. Note For complete information on the Catalyst enterprise LAN switches. The configuration procedures in this chapter, refer to Ethernet and Fast Ethernet switch ports on the Catalyst enterprise LAN switches: • Ethernet Overview, page 4-1 • Switching Frames Between Segments, page...
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... that is shared by all ports of the same virtual LAN (VLAN) except the port that received the frame. Default Ethernet and Fast Ethernet Configurations Chapter 4 Configuring Ethernet and Fast Ethernet Switching The Catalyst enterprise LAN switches solve congestion problems that are caused by high-bandwidth devices and a large number of users by assigning each device (for...
... that is shared by all ports of the same virtual LAN (VLAN) except the port that received the frame. Default Ethernet and Fast Ethernet Configurations Chapter 4 Configuring Ethernet and Fast Ethernet Switching The Catalyst enterprise LAN switches solve congestion problems that are caused by high-bandwidth devices and a large number of users by assigning each device (for...
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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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...set port level 1/1 high Port 1/1 level set to verify that the port priority is configured correctly. Configuring Ethernet and Fast Ethernet Ports Chapter 4 Configuring Ethernet and Fast Ethernet Switching This example shows how to set the name for ports 1/1 and 1/2 and how to high. To set ... the port speed on 10/100-Mbps Fast Ethernet modules. Use the auto keyword to determine the order in privileged mode: Task Step 1 Configure the priority level for a port. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-4 78-15486-...
...set port level 1/1 high Port 1/1 level set to verify that the port priority is configured correctly. Configuring Ethernet and Fast Ethernet Ports Chapter 4 Configuring Ethernet and Fast Ethernet Switching This example shows how to set the name for ports 1/1 and 1/2 and how to high. To set ... the port speed on 10/100-Mbps Fast Ethernet modules. Use the auto keyword to determine the order in privileged mode: Task Step 1 Configure the priority level for a port. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-4 78-15486-...
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... neighbor port: Console> (enable) set port speed 2/1 auto Port 2/1 speed set to auto-sensing mode. Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-5 For information on enabling and disabling autonegotiation on 10/100 Fast Ethernet ports, see the "Setting Ethernet and Fast Ethernet Port Speeds" section on page 4-4.
... neighbor port: Console> (enable) set port speed 2/1 auto Port 2/1 speed set to auto-sensing mode. Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-5 For information on enabling and disabling autonegotiation on 10/100 Fast Ethernet ports, see the "Setting Ethernet and Fast Ethernet Port Speeds" section on page 4-4.
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...port debounce causes Link Up/Down detections to be delayed. Use with caution. Configuring Ethernet and Fast Ethernet Ports Chapter 4 Configuring Ethernet and Fast Ethernet Switching Setting Ethernet and Fast Ethernet Port Debounce Timers You can set the port debounce timer on a port, perform ... Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-6 78-15486-01 Caution Enabling the port debounce timer will delay link-up , the time the software needs to enable the debounce timer for Ethernet, Fast Ethernet, and Gigabit Ethernet ports. It ...
...port debounce causes Link Up/Down detections to be delayed. Use with caution. Configuring Ethernet and Fast Ethernet Ports Chapter 4 Configuring Ethernet and Fast Ethernet Switching Setting Ethernet and Fast Ethernet Port Debounce Timers You can set the port debounce timer on a port, perform ... Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-6 78-15486-01 Caution Enabling the port debounce timer will delay link-up , the time the software needs to enable the debounce timer for Ethernet, Fast Ethernet, and Gigabit Ethernet ports. It ...
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... other than those ports that is specified in the set errdisable-timeout command. Console>(enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-7 If you specify a reason of all, all the errdisabled ports are reenabled... is disabled by setting the errdisable timeout for that are errdisabled for any process. 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...
... other than those ports that is specified in the set errdisable-timeout command. Console>(enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-7 If you specify a reason of all, all the errdisabled ports are reenabled... is disabled by setting the errdisable timeout for that are errdisabled for any process. 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...