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... 3-10 Configuring Ethernet and Fast Ethernet Switching 4-1 Understanding How Ethernet Works 4-1 Ethernet Overview 4-1 Switching Frames Between Segments 4-2 Building the Address Table 4-2 Default Ethernet and Fast 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...
... 3-10 Configuring Ethernet and Fast Ethernet Switching 4-1 Understanding How Ethernet Works 4-1 Ethernet Overview 4-1 Switching Frames Between Segments 4-2 Building the Address Table 4-2 Default Ethernet and Fast 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...
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Contents 5 C H A P T E R 6 C H A P T E R 78-15486-01 Configuring 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 5-8 Enabling Port Negotiation on...
Contents 5 C H A P T E R 6 C H A P T E R 78-15486-01 Configuring 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 5-8 Enabling Port Negotiation on...
Software Guide
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...Fast EtherChannel and and Gigabit EtherChannel Gigabit EtherChannel port bundles. Configuring Ethernet and Fast Ethernet Switching Describes how to configure Ethernet and Fast Ethernet switching on the switch. Preface This preface describes who are responsible for experienced network administrators...BPDU Guard, BPDU PortFast, UplinkFast, and BackboneFast features. Configuring Gigabit Ethernet Switching Describes how to perform a baseline configuration of the Catalyst enterprise LAN switches. Configuring Spanning Tree Describes how to configure the Spanning Tree Protocol ...
...Fast EtherChannel and and Gigabit EtherChannel Gigabit EtherChannel port bundles. Configuring Ethernet and Fast Ethernet Switching Describes how to configure Ethernet and Fast Ethernet switching on the switch. Preface This preface describes who are responsible for experienced network administrators...BPDU Guard, BPDU PortFast, UplinkFast, and BackboneFast features. Configuring Gigabit Ethernet Switching Describes how to perform a baseline configuration of the Catalyst enterprise LAN switches. Configuring Spanning Tree Describes how to configure the Spanning Tree Protocol ...
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... between different segments for the duration of these sections: • Understanding How Ethernet Works, page 4-1 • Default Ethernet and Fast Ethernet Configurations, page 4-2 • Configuring Ethernet and Fast Ethernet Ports, page 4-3 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...
... between different segments for the duration of these sections: • Understanding How Ethernet Works, page 4-1 • Default Ethernet and Fast Ethernet Configurations, page 4-2 • Configuring Ethernet and Fast Ethernet Ports, page 4-3 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...
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...-, 100-, or 1000-Mbps segment. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-2 78-15486-01 When a frame enters the switch, it was received. 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...
...-, 100-, or 1000-Mbps segment. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-2 78-15486-01 When a frame enters the switch, it was received. 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...
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... can assign names to the ports on configuring Fast EtherChannel, see Chapter 6, "Configuring Fast EtherChannel and Gigabit EtherChannel." Chapter 4 Configuring Ethernet and Fast Ethernet Switching Configuring Ethernet and Fast Ethernet Ports Table 4-1 Ethernet and Fast Ethernet Default Configurations Feature Port enable state Port name Port priority Duplex mode Native VLAN Spanning tree port cost Fast EtherChannel Default...
... can assign names to the ports on configuring Fast EtherChannel, see Chapter 6, "Configuring Fast EtherChannel and Gigabit EtherChannel." Chapter 4 Configuring Ethernet and Fast Ethernet Switching Configuring Ethernet and Fast Ethernet Ports Table 4-1 Ethernet and Fast Ethernet Default Configurations Feature Port enable state Port name Port priority Duplex mode Native VLAN Spanning tree port cost Fast EtherChannel Default...
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...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 verify that the port priority level is configured correctly: Console> (enable) set port level 1/1 high Port 1/1 level set . When ports request access to the switching bus simultaneously, the switch...25:57 Console> (enable) Setting Ethernet and Fast Ethernet Port Speeds You can configure the priority level of each port. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-4 ...
...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 verify that the port priority level is configured correctly: Console> (enable) set port level 1/1 high Port 1/1 level set . When ports request access to the switching bus simultaneously, the switch...25:57 Console> (enable) Setting Ethernet and Fast Ethernet Port Speeds You can configure the priority level of each port. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-4 ...
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Chapter 4 Configuring Ethernet and Fast Ethernet Switching Configuring Ethernet and Fast Ethernet Ports Caution Make sure that the device on the other end of a port. show port [mod_num [/port_num]] This example shows how to set the duplex ... half-duplex. For information on enabling and disabling autonegotiation on 10/100 Fast Ethernet ports, see the "Setting Ethernet and Fast Ethernet Port Speeds" section on a 10/100-Mbps Fast Ethernet port, both speed and duplex are configured for Ethernet and Fast Ethernet ports. To set port speed mod num/port num {10 | 100 | port. Note...
Chapter 4 Configuring Ethernet and Fast Ethernet Switching Configuring Ethernet and Fast Ethernet Ports Caution Make sure that the device on the other end of a port. show port [mod_num [/port_num]] This example shows how to set the duplex ... half-duplex. For information on enabling and disabling autonegotiation on 10/100 Fast Ethernet ports, see the "Setting Ethernet and Fast Ethernet Port Speeds" section on a 10/100-Mbps Fast Ethernet port, both speed and duplex are configured for Ethernet and Fast Ethernet ports. To set port speed mod num/port num {10 | 100 | port. Note...
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... period. It results in privileged mode: Task Step 1 Enable the debounce timer for Ethernet, Fast Ethernet, and Gigabit Ethernet ports. Use with caution. Table 4-2 Switch Notification Delays for the Port Debounce Timer Port Type 10/100 ports 100BASE-FX ports ...The delay time is the time that occurs before the switch notifies the main processor of various Layer 2 and Layer 3 protocols. Configuring Ethernet and Fast Ethernet Ports Chapter 4 Configuring Ethernet and Fast Ethernet Switching Setting Ethernet and Fast Ethernet Port Debounce Timers You can decrease traffic loss due to...
... period. It results in privileged mode: Task Step 1 Enable the debounce timer for Ethernet, Fast Ethernet, and Gigabit Ethernet ports. Use with caution. Table 4-2 Switch Notification Delays for the Port Debounce Timer Port Type 10/100 ports 100BASE-FX ports ...The delay time is the time that occurs before the switch notifies the main processor of various Layer 2 and Layer 3 protocols. Configuring Ethernet and Fast Ethernet Ports Chapter 4 Configuring Ethernet and Fast Ethernet Switching Setting Ethernet and Fast Ethernet Port Debounce Timers You can decrease traffic loss due to...
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...-timeout for that have been put in errdisable state due to causes other than those ports that particular port to disable; 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 debounce Port Debounce link timer...
...-timeout for that have been put in errdisable state due to causes other than those ports that particular port to disable; 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 debounce Port Debounce link timer...
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... 3 ms 3 ms 4 somehost.company.com (10.1.2.3) 3 ms * 2 ms Console> (enable) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-8 78-15486-01 Configuring Ethernet and Fast Ethernet Ports Chapter 4 Configuring Ethernet and Fast Ethernet Switching This example shows how to display the errdisable timeout configuration: Console> (enable) show interface default gateway that are...
... 3 ms 3 ms 4 somehost.company.com (10.1.2.3) 3 ms * 2 ms Console> (enable) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-8 78-15486-01 Configuring Ethernet and Fast Ethernet Ports Chapter 4 Configuring Ethernet and Fast Ethernet Switching This example shows how to display the errdisable timeout configuration: Console> (enable) show interface default gateway that are...
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... chapter describes how to delay sending packets for the commands used in this chapter, refer to Gigabit Ethernet switching modules, fixed-configuration switches, and uplink ports on a Gigabit Ethernet port runs out of space, the port transmits a special packet that can receive and process pause frames from other devices. Note For complete syntax and...
... chapter describes how to delay sending packets for the commands used in this chapter, refer to Gigabit Ethernet switching modules, fixed-configuration switches, and uplink ports on a Gigabit Ethernet port runs out of space, the port transmits a special packet that can receive and process pause frames from other devices. Note For complete syntax and...
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... 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 4000 Catalyst 4500 Catalyst 2948G Catalyst 2980G Module All modules except WS...
... 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 4000 Catalyst 4500 Catalyst 2948G Catalyst 2980G Module All modules except WS...
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...: • 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 Software Configuration Guide-Release 8.1 5-3 With Gigabit Ethernet ports, port ...workstations. Near End refers to exchange flow-control parameters, remote fault information, and duplex information (even though Cisco Gigabit Ethernet ports only support full-duplex mode). The following modules are set inconsistently (port negotiation enabled on one port and ...
...: • 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 Software Configuration Guide-Release 8.1 5-3 With Gigabit Ethernet ports, port ...workstations. Near End refers to exchange flow-control parameters, remote fault information, and duplex information (even though Cisco Gigabit Ethernet ports only support full-duplex mode). The following modules are set inconsistently (port negotiation enabled on one port and ...
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...Ethernet Works Chapter 5 Configuring Gigabit Ethernet Switching • WS-X4418-GB This 1000BASE-X 18-port module provides 2 dedicated uplink module ports (GBIC) and 16 oversubscribed ports (possible blocking). • WS-X4424-GB-RJ45 This 10/100/100BASE-TX module provides 24 oversubscribed ports (possible blocking). • WS...On all modules, the oversubscribed ports are grouped for module WS-4412-2GB-TX. Table 5-4 lists the uplink module port IDs for Gigabit Ethernet Modules Module WS-X4412-2GB-T WS-X4418-GB Port ID 13 14 12 On all modules, each uplink module port has 1-Gbps ...
...Ethernet Works Chapter 5 Configuring Gigabit Ethernet Switching • WS-X4418-GB This 1000BASE-X 18-port module provides 2 dedicated uplink module ports (GBIC) and 16 oversubscribed ports (possible blocking). • WS-X4424-GB-RJ45 This 10/100/100BASE-TX module provides 24 oversubscribed ports (possible blocking). • WS...On all modules, the oversubscribed ports are grouped for module WS-4412-2GB-TX. Table 5-4 lists the uplink module port IDs for Gigabit Ethernet Modules Module WS-X4412-2GB-T WS-X4418-GB Port ID 13 14 12 On all modules, each uplink module port has 1-Gbps ...
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... multiple oversubscribed ports into a Gigabit EtherChannel link to connect to transmit traffic simultaneously. Table 5-8 Oversubscribed Port Groupings for Module WS-X4448-GB-RJ45 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 17, 18, 19, 20, 25, 26, 27, 28, 33, 34, 35, 36, 41, 42, ... 48 The oversubscribed Gigabit Ethernet ports are designed for module WS-X4448-GB-RJ45. Bundling multiple oversubscribed ports in each connected port (1 Gbps total). • Servers B and C, also with channel- Chapter 5 Configuring Gigabit Ethernet Switching Understanding How Gigabit Ethernet Works Table 5-8 shows ...
... multiple oversubscribed ports into a Gigabit EtherChannel link to connect to transmit traffic simultaneously. Table 5-8 Oversubscribed Port Groupings for Module WS-X4448-GB-RJ45 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 17, 18, 19, 20, 25, 26, 27, 28, 33, 34, 35, 36, 41, 42, ... 48 The oversubscribed Gigabit Ethernet ports are designed for module WS-X4448-GB-RJ45. Bundling multiple oversubscribed ports in each connected port (1 Gbps total). • Servers B and C, also with channel- Chapter 5 Configuring Gigabit Ethernet Switching Understanding How Gigabit Ethernet Works Table 5-8 shows ...
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...Ethernet Configuration Chapter 5 Configuring Gigabit Ethernet Switching Figure 5-1 Example of a Server Switching Network Topology Network backbone Backbone switch CAUTION THIS ASSEMBLY CONTAINS ELECTROSTATICSENSITIVE DEVICES 0% 100% 18069 Gigabit EtherChannel bundles Server A Server B Workstation 1 Workstation 3 Server D Workstation 4 Server C Workstation 2 Default Gigabit Ethernet Configuration Table 5-10 shows the Gigabit Ethernet default configuration. Table 5-10 Gigabit Ethernet... • Oversubscribed Gigabit Ethernet ports (ports 3-18 on WS-X4418-GB): Flow control...
...Ethernet Configuration Chapter 5 Configuring Gigabit Ethernet Switching Figure 5-1 Example of a Server Switching Network Topology Network backbone Backbone switch CAUTION THIS ASSEMBLY CONTAINS ELECTROSTATICSENSITIVE DEVICES 0% 100% 18069 Gigabit EtherChannel bundles Server A Server B Workstation 1 Workstation 3 Server D Workstation 4 Server C Workstation 2 Default Gigabit Ethernet Configuration Table 5-10 shows the Gigabit Ethernet default configuration. Table 5-10 Gigabit Ethernet... • Oversubscribed Gigabit Ethernet ports (ports 3-18 on WS-X4418-GB): Flow control...
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... 22 1998, 13:42:04 Console> (enable) Configuring Gigabit Ethernet Port Priority Levels You can assign names to the ports on Gigabit Ethernet modules to configure Gigabit Ethernet switching ports on configuring Gigabit EtherChannel, see Chapter 6, "Configuring Fast ...example shows how to assign the name for each port. Chapter 5 Configuring Gigabit Ethernet Switching Configuring Gigabit Ethernet Ports Configuring Gigabit Ethernet Ports The following sections describe how to facilitate switch administration. Verify that the port names are configured correctly: Console> (enable) set ...
... 22 1998, 13:42:04 Console> (enable) Configuring Gigabit Ethernet Port Priority Levels You can assign names to the ports on Gigabit Ethernet modules to configure Gigabit Ethernet switching ports on configuring Gigabit EtherChannel, see Chapter 6, "Configuring Fast ...example shows how to assign the name for each port. Chapter 5 Configuring Gigabit Ethernet Switching Configuring Gigabit Ethernet Ports Configuring Gigabit Ethernet Ports The following sections describe how to facilitate switch administration. Verify that the port names are configured correctly: Console> (enable) set ...
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Configuring Gigabit Ethernet Ports Chapter 5 Configuring Gigabit Ethernet Switching To configure the port priority level, perform this task in privileged mode: Step 1 Step 2 Task Command Configure the priority level ... Port 2/1 level set to on RxPause TxPause Unsupported opcodes 0 0 0 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-8 78-15486-01 mod_num/port_num {off | on a Gigabit Ethernet port, perform this task in privileged mode: Step 1 Step 2 Task Command Configure the flow-control parameters on a ...
Configuring Gigabit Ethernet Ports Chapter 5 Configuring Gigabit Ethernet Switching To configure the port priority level, perform this task in privileged mode: Step 1 Step 2 Task Command Configure the priority level ... Port 2/1 level set to on RxPause TxPause Unsupported opcodes 0 0 0 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-8 78-15486-01 mod_num/port_num {off | on a Gigabit Ethernet port, perform this task in privileged mode: Step 1 Step 2 Task Command Configure the flow-control parameters on a ...
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... disabled, the negotiation disabled setting is ignored and the port operates in negotiation-enabled mode. Verify the port negotiation configuration. Chapter 5 Configuring Gigabit Ethernet Switching Configuring Gigabit Ethernet Ports Enabling Port Negotiation on Gigabit Ethernet Ports Note You cannot enable port negotiation on configuring a timeout period for ports in errdisable state, see Chapter 4, "Configuring...
... disabled, the negotiation disabled setting is ignored and the port operates in negotiation-enabled mode. Verify the port negotiation configuration. Chapter 5 Configuring Gigabit Ethernet Switching Configuring Gigabit Ethernet Ports Enabling Port Negotiation on Gigabit Ethernet Ports Note You cannot enable port negotiation on configuring a timeout period for ports in errdisable state, see Chapter 4, "Configuring...