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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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...Loop Guard 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xxiii Configuring Spanning Tree Describes how to configure Ethernet and Fast Ethernet switching on the switch. Preface This preface describes ...is for experienced network administrators who are responsible for configuring and maintaining Catalyst enterprise LAN switches. Configuring Fast EtherChannel Describes how to configure Gigabit Ethernet switching on the switch. Organization This publication is organized as follows: Chapter Chapter 1 Chapter ...
...Loop Guard 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xxiii Configuring Spanning Tree Describes how to configure Ethernet and Fast Ethernet switching on the switch. Preface This preface describes ...is for experienced network administrators who are responsible for configuring and maintaining Catalyst enterprise LAN switches. Configuring Fast EtherChannel Describes how to configure Gigabit Ethernet switching on the switch. Organization This publication is organized as follows: Chapter Chapter 1 Chapter ...
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... apply to Ethernet and Fast Ethernet switch ports on switching modules and fixed-configuration switches, as well as to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. This chapter consists of the packet. Note For complete information on installing Catalyst 4500 series Fast Ethernet modules, refer to configure Ethernet and Fast Ethernet switching on the Catalyst enterprise LAN switches: • Ethernet Overview, page...
... apply to Ethernet and Fast Ethernet switch ports on switching modules and fixed-configuration switches, as well as to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. This chapter consists of the packet. Note For complete information on installing Catalyst 4500 series Fast Ethernet modules, refer to configure Ethernet and Fast Ethernet switching on the Catalyst enterprise LAN switches: • Ethernet Overview, page...
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... receive at wire speed to the address table. To switch frames between ports efficiently, the switch maintains an address table. Default Ethernet and Fast Ethernet Configurations Table 4-1 lists the Ethernet and Fast Ethernet default configurations. 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...
... receive at wire speed to the address table. To switch frames between ports efficiently, the switch maintains an address table. Default Ethernet and Fast Ethernet Configurations Table 4-1 lists the Ethernet and Fast Ethernet default configurations. 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...
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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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... Link connected trunk normal half 100 100BaseTX Last-Time-Cleared Tue Jun 16 1998, 16:25:57 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 78-15486-01 When ports request access to the...
... Link connected trunk normal half 100 100BaseTX Last-Time-Cleared Tue Jun 16 1998, 16:25:57 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 78-15486-01 When ports request access to the...
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... configured correctly. For information on enabling and disabling autonegotiation on 10/100 Fast Ethernet ports, see the "Setting Ethernet and Fast Ethernet Port Speeds" section on the other end of a port. Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-5 show port [mod_num [/port_num]] This example shows how to...
... configured correctly. For information on enabling and disabling autonegotiation on 10/100 Fast Ethernet ports, see the "Setting Ethernet and Fast Ethernet Port Speeds" section on the other end of a port. Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-5 show port [mod_num [/port_num]] This example shows how to...
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... traffic during the debouncing period. 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...Ethernet, Fast Ethernet, and Gigabit Ethernet ports. This situation might delay the convergence and reconvergence of data traffic during debouncing period, which might affect the convergence/reconvergence of the port is up and link-down , and once the port is configured correctly. Console> (enable) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
... traffic during the debouncing period. 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...Ethernet, Fast Ethernet, and Gigabit Ethernet ports. This situation might delay the convergence and reconvergence of data traffic during debouncing period, which might affect the convergence/reconvergence of the port is up and link-down , and once the port is configured correctly. Console> (enable) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
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...being enabled when it has been enabled in NVRAM but disabled at runtime. Console>(enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-7 If so, only those listed in the set errdisable-timeout command. The... set errdisable timeout to causes other , only 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...
...being enabled when it has been enabled in NVRAM but disabled at runtime. Console>(enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-7 If so, only those listed in the set errdisable-timeout command. The... set errdisable timeout to causes other , only 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...
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... using traceroute: Console> (enable) ping somehost somehost is located out the port you want to test connectivity out Ethernet or Fast Ethernet ports. If the host is located out the port you want to somehost.company.com (10.1.2.3), 30 hops max....company.com (173.16.1.201) 6 ms 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 show interface default gateway that is alive Console> (enable) traceroute somehost traceroute to test. ping [-s]...
... using traceroute: Console> (enable) ping somehost somehost is located out the port you want to test connectivity out Ethernet or Fast Ethernet ports. If the host is located out the port you want to somehost.company.com (10.1.2.3), 30 hops max....company.com (173.16.1.201) 6 ms 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 show interface default gateway that is alive Console> (enable) traceroute somehost traceroute to test. ping [-s]...
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... receive and process pause frames from other devices. If a buffer on a Gigabit Ethernet port runs out of space, the port transmits a special packet that Gigabit Ethernet ports use to Gigabit Ethernet switching modules, fixed-configuration switches, and uplink ports on the Catalyst enterprise LAN switches. This chapter consists of incoming packets. This special packet is a feature that...
... receive and process pause frames from other devices. If a buffer on a Gigabit Ethernet port runs out of space, the port transmits a special packet that Gigabit Ethernet ports use to Gigabit Ethernet switching modules, fixed-configuration switches, and uplink ports on the Catalyst enterprise LAN switches. This chapter consists of incoming packets. This special packet is a feature that...
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...a remote port is set to receive on , send off or send desired. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-2 78-15486-01 Table 5-2 Send and Receive ...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 4000 Catalyst 4500 Catalyst 2948G Catalyst...
...a remote port is set to receive on , send off or send desired. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-2 78-15486-01 Table 5-2 Send and Receive ...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 4000 Catalyst 4500 Catalyst 2948G Catalyst...
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... 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 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). With this time. The ports on the...
... 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 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). With this time. The ports on the...
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...24 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-4 78-15486-01 The average bandwidth that clients and servers need to connect to the network backbone. Understanding How Gigabit Ethernet Works Chapter 5 Configuring Gigabit Ethernet Switching ...GB-RJ24 This 10/100/100BASE-TX module provides 48 oversubscribed ports (possible blocking). • WS-X4448-LX This Gigabit Ethernet optical line terminator module provides 48 oversubscribed ports (possible blocking). Table 5-6 Oversubscribed Port Groupings for Module WS-4418-2GB ...
...24 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-4 78-15486-01 The average bandwidth that clients and servers need to connect to the network backbone. Understanding How Gigabit Ethernet Works Chapter 5 Configuring Gigabit Ethernet Switching ...GB-RJ24 This 10/100/100BASE-TX module provides 48 oversubscribed ports (possible blocking). • WS-X4448-LX This Gigabit Ethernet optical line terminator module provides 48 oversubscribed ports (possible blocking). Table 5-6 Oversubscribed Port Groupings for Module WS-4418-2GB ...
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...a port in each direction while averaging 250 Mbps for incoming frames to allow connected devices to the Gigabit Ethernet network backbone. The switch can use the full 1-Gbps bandwidth. • Workstations 1 through 4 are high-end workstations. and ...link to connect 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 8.1 5-5 Chapter 5 Configuring Gigabit Ethernet Switching Understanding How Gigabit Ethernet Works Table 5-8 shows ...
...a port in each direction while averaging 250 Mbps for incoming frames to allow connected devices to the Gigabit Ethernet network backbone. The switch can use the full 1-Gbps bandwidth. • Workstations 1 through 4 are high-end workstations. and ...link to connect 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 8.1 5-5 Chapter 5 Configuring Gigabit Ethernet Switching Understanding How Gigabit Ethernet Works Table 5-8 shows ...
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... 1 Spanning tree port cost 4 Gigabit EtherChannel Disabled on all Gigabit Ethernet ports (auto mode) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-6 78-15486-01 Default Gigabit 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...
... 1 Spanning tree port cost 4 Gigabit EtherChannel Disabled on all Gigabit Ethernet ports (auto mode) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-6 78-15486-01 Default Gigabit 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...
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...Ethernet Switching Configuring Gigabit Ethernet Ports Configuring Gigabit Ethernet Ports The following sections describe how to facilitate switch administration. Command set . Assigning Gigabit Ethernet Port Names You can configure the priority level for ports 2/1 and 2/2 and how to a port, perform this task in which the ports get access. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches... Configuring Gigabit Ethernet Port Priority Levels You can assign names to the ports on Gigabit Ethernet modules to configure Gigabit Ethernet switching ports on ...
...Ethernet Switching Configuring Gigabit Ethernet Ports Configuring Gigabit Ethernet Ports The following sections describe how to facilitate switch administration. Command set . Assigning Gigabit Ethernet Port Names You can configure the priority level for ports 2/1 and 2/2 and how to a port, perform this task in which the ports get access. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches... Configuring Gigabit Ethernet Port Priority Levels You can assign names to the ports on Gigabit Ethernet modules to configure Gigabit Ethernet switching ports on ...
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...the flow-control parameters on a Gigabit Ethernet set port level mod_num/port_num {normal | high} Verify that the port priority is configured correctly. Configuring Gigabit Ethernet Ports Chapter 5 Configuring Gigabit Ethernet Switching To configure the port priority level, perform... will require far end to high. mod_num/port_num {off | 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 Console> (enable) show port flowcontrol 2/1 Port Send FlowControl...
...the flow-control parameters on a Gigabit Ethernet set port level mod_num/port_num {normal | high} Verify that the port priority is configured correctly. Configuring Gigabit Ethernet Ports Chapter 5 Configuring Gigabit Ethernet Switching To configure the port priority level, perform... will require far end to high. mod_num/port_num {off | 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 Console> (enable) show port flowcontrol 2/1 Port Send FlowControl...
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...> (enable) Disabling Port Negotiation To disable port negotiation on configuring a timeout period for ports in errdisable state, see Chapter 4, "Configuring Ethernet and Fast Ethernet Switching." 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-9 Command set port negotiation mod_num/port_num enable show port negotiation [mod_num/port_num] This example shows how to...
...> (enable) Disabling Port Negotiation To disable port negotiation on configuring a timeout period for ports in errdisable state, see Chapter 4, "Configuring Ethernet and Fast Ethernet Switching." 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-9 Command set port negotiation mod_num/port_num enable show port negotiation [mod_num/port_num] This example shows how to...