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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...
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...features. Filter, UplinkFast, BackboneFast, and Loop Guard 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xxiii Preface This preface describes who should read the Software Configuration Guide, how it ... publication is organized, and its document conventions. Using the Command-Line Interface Describes how to configure Gigabit Ethernet switching on the switch. Configuring Gigabit Ethernet Switching Describes how to use the different command-line interfaces (CLIs). Organization This publication is organized as follows...
...features. Filter, UplinkFast, BackboneFast, and Loop Guard 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xxiii Preface This preface describes who should read the Software Configuration Guide, how it ... publication is organized, and its document conventions. Using the Command-Line Interface Describes how to configure Gigabit Ethernet switching on the switch. Configuring Gigabit Ethernet Switching Describes how to use the different command-line interfaces (CLIs). Organization This publication is organized as follows...
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.... 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. 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...
.... 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. 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...
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... table can connect to a single workstation or server, or to its own 10-, 100-, or 1000-Mbps segment. Default Ethernet and Fast Ethernet Configurations Chapter 4 Configuring Ethernet and Fast Ethernet Switching The Catalyst enterprise LAN switches solve congestion problems that received the frame. In full-duplex mode, two stations can flow in both directions simultaneously, effective...
... table can connect to a single workstation or server, or to its own 10-, 100-, or 1000-Mbps segment. Default Ethernet and Fast Ethernet Configurations Chapter 4 Configuring Ethernet and Fast Ethernet Switching The Catalyst enterprise LAN switches solve congestion problems that received the frame. In full-duplex mode, two stations can flow in both directions simultaneously, effective...
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... 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 Port Debounce Timers, page...
... 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 Port Debounce Timers, page...
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...Last-Time-Cleared Tue Jun 16 1998, 16:25:57 Console> (enable) Setting Ethernet and Fast Ethernet Port Priority Levels You can configure the port speed on 10/100-Mbps Fast Ethernet modules. Use the auto keyword to give ports access. To set . Console> ...1 Configure the priority level for a port. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-4 78-15486-01 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...
...Last-Time-Cleared Tue Jun 16 1998, 16:25:57 Console> (enable) Setting Ethernet and Fast Ethernet Port Priority Levels You can configure the port speed on 10/100-Mbps Fast Ethernet modules. Use the auto keyword to give ports access. To set . Console> ...1 Configure the priority level for a port. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-4 78-15486-01 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...
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...78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-5 auto} Verify that the speed of a 10/100-Mbps Fast Ethernet set to auto on a 10/100-Mbps Fast Ethernet port, both speed and duplex are autonegotiated. Console> (enable...and duplex are configured for autonegotiation, or a port speed or duplex mismatch will result. Chapter 4 Configuring Ethernet and Fast Ethernet Switching Configuring Ethernet and Fast Ethernet Ports Caution Make sure that the device on page 4-4. To set the duplex mode of a port, perform...
...78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-5 auto} Verify that the speed of a 10/100-Mbps Fast Ethernet set to auto on a 10/100-Mbps Fast Ethernet port, both speed and duplex are autonegotiated. Console> (enable...and duplex are configured for autonegotiation, or a port speed or duplex mismatch will result. Chapter 4 Configuring Ethernet and Fast Ethernet Switching Configuring Ethernet and Fast Ethernet Ports Caution Make sure that the device on page 4-4. To set the duplex mode of a port, perform...
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...Console> (enable) set the port debounce timer, the switch delays notifying 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 set the port debounce timer ... 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 results in loss of data traffic during debouncing period, which might delay the convergence and ...
...Console> (enable) set the port debounce timer, the switch delays notifying 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 set the port debounce timer ... 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 results in loss of data traffic during debouncing period, which might delay the convergence and ...
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.... This feature is disabled by any reason are reenabled when the global timer times out. The default interval for port 3/3. 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 2/1 enable...
.... This feature is disabled by any reason are reenabled when the global timer times out. The default interval for port 3/3. 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 2/1 enable...
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...: Port ErrDisable Reason 3/1 udld 3/8 bpdu-guard 6/5 udld 7/24 duplex-mismatch Console> (enable) Checking Ethernet and Fast Ethernet Port Connectivity Note For more detailed information on the switch. To check connectivity out a port, perform this task in privileged mode: Step 1 Step 2 Step...the hop-by -hop path of packets from the switch traceroute host to a remote host that is located out the port you want to test. Configuring Ethernet and Fast Ethernet Ports Chapter 4 Configuring Ethernet and Fast Ethernet Switching This example shows how to display the errdisable timeout ...
...: Port ErrDisable Reason 3/1 udld 3/8 bpdu-guard 6/5 udld 7/24 duplex-mismatch Console> (enable) Checking Ethernet and Fast Ethernet Port Connectivity Note For more detailed information on the switch. To check connectivity out a port, perform this task in privileged mode: Step 1 Step 2 Step...the hop-by -hop path of packets from the switch traceroute host to a remote host that is located out the port you want to test. Configuring Ethernet and Fast Ethernet Ports Chapter 4 Configuring Ethernet and Fast Ethernet Switching This example shows how to display the errdisable timeout ...
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... a special packet that requests remote ports to delay sending packets for the commands used in this chapter, refer to Gigabit Ethernet switching modules, fixed-configuration switches, and uplink ports on the Catalyst enterprise LAN switches. This chapter consists of time. The configuration procedures in this chapter apply to the Catalyst 4500 Series, Catalyst 2948G...
... a special packet that requests remote ports to delay sending packets for the commands used in this chapter, refer to Gigabit Ethernet switching modules, fixed-configuration switches, and uplink ports on the Catalyst enterprise LAN switches. This chapter consists of time. The configuration procedures in this chapter apply to the Catalyst 4500 Series, Catalyst 2948G...
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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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... fault information, and duplex information (even though Cisco Gigabit Ethernet ports only support full-duplex mode). Understanding How Oversubscribed Gigabit Ethernet Works The Catalyst 4500 series Gigabit Ethernet modules provide a network-backbone connection for each ...end of the link are 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...
... fault information, and duplex information (even though Cisco Gigabit Ethernet ports only support full-duplex mode). Understanding How Oversubscribed Gigabit Ethernet Works The Catalyst 4500 series Gigabit Ethernet modules provide a network-backbone connection for each ...end of the link are 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...
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..., 24 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-4 78-15486-01 Table 5-7 Oversubscribed Port Groupings for module WS-4418-2GB. 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 module. Table 5-5 shows how...
..., 24 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-4 78-15486-01 Table 5-7 Oversubscribed Port Groupings for module WS-4418-2GB. 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 module. Table 5-5 shows how...
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... Table 5-9 shows how the oversubscribed ports are grouped for end-station connections. Table 5-9 Oversubscribed Port Groupings for Module WS-X4448-GB-LX 1, 3, 5, 7, 9, 11, 13, 15 2, 4, 6, 8, 10, 17, 19, 21, 12, 14, 16 23, 25, 27, 29, 31 18, 20, 22, 24, 26, 28, 30,... 38, 40, 42, 44, 46, 48 The oversubscribed Gigabit Ethernet ports are designed for module WS-X4448-GB-LX. Two ports are in one oversubscribed port group. Chapter 5 Configuring Gigabit Ethernet Switching Understanding How Gigabit Ethernet Works Table 5-8 shows how the oversubscribed ports are grouped for each ...
... Table 5-9 shows how the oversubscribed ports are grouped for end-station connections. Table 5-9 Oversubscribed Port Groupings for Module WS-X4448-GB-LX 1, 3, 5, 7, 9, 11, 13, 15 2, 4, 6, 8, 10, 17, 19, 21, 12, 14, 16 23, 25, 27, 29, 31 18, 20, 22, 24, 26, 28, 30,... 38, 40, 42, 44, 46, 48 The oversubscribed Gigabit Ethernet ports are designed for module WS-X4448-GB-LX. Two ports are in one oversubscribed port group. Chapter 5 Configuring Gigabit Ethernet Switching Understanding How Gigabit Ethernet Works Table 5-8 shows how the oversubscribed ports are grouped for each ...
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...are enabled Port name None Port priority Normal Duplex mode Full duplex Flow control • Oversubscribed Gigabit Ethernet ports (ports 3-18 on WS-X4418-GB): Flow control set to desired for receive (Rx) and on for transmit (Tx)... 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 ...
...are enabled Port name None Port priority Normal Duplex mode Full duplex Flow control • Oversubscribed Gigabit Ethernet ports (ports 3-18 on WS-X4418-GB): Flow control set to desired for receive (Rx) and on for transmit (Tx)... 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 ...
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...in privileged mode: Step 1 Step 2 Task Assign a name to configure Gigabit Ethernet switching ports on the Catalyst enterprise LAN switches. Note For information on Gigabit Ethernet modules to the ports on configuring Gigabit EtherChannel, see Chapter 6, "Configuring Fast.... 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-7 Chapter 5 Configuring Gigabit Ethernet Switching Configuring Gigabit Ethernet Ports Configuring Gigabit Ethernet Ports The following sections describe how to a port. When two ports...
...in privileged mode: Step 1 Step 2 Task Assign a name to configure Gigabit Ethernet switching ports on the Catalyst enterprise LAN switches. Note For information on Gigabit Ethernet modules to the ports on configuring Gigabit EtherChannel, see Chapter 6, "Configuring Fast.... 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-7 Chapter 5 Configuring Gigabit Ethernet Switching Configuring Gigabit Ethernet Ports Configuring Gigabit Ethernet Ports The following sections describe how to a port. When two ports...
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...1 Step 2 Task Command Configure the flow-control parameters on (port will require far end to high. 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... far end) Console> (enable) set port flowcontrol receive 2/1 on Port 2/1 flow control receive administration status set to on a Gigabit Ethernet set port flowcontrol {receive | send} port. set to send flowcontrol) Console> (enable) show port [mod_num[/port_num]] This example shows...
...1 Step 2 Task Command Configure the flow-control parameters on (port will require far end to high. 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... far end) Console> (enable) set port flowcontrol receive 2/1 on Port 2/1 flow control receive administration status set to on a Gigabit Ethernet set port flowcontrol {receive | send} port. set to send flowcontrol) Console> (enable) show port [mod_num[/port_num]] This example shows...
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...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 Verify the port negotiation configuration. ...negotiation on 1000BASE-T Gigabit Ethernet ports in negotiation-enabled mode. Chapter 5 Configuring Gigabit Ethernet Switching Configuring Gigabit Ethernet Ports Enabling Port Negotiation on Gigabit Ethernet Ports Note You cannot enable port negotiation on a 1000BASE-X Gigabit Ethernet port, perform this ...
...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 Verify the port negotiation configuration. ...negotiation on 1000BASE-T Gigabit Ethernet ports in negotiation-enabled mode. Chapter 5 Configuring Gigabit Ethernet Switching Configuring Gigabit Ethernet Ports Enabling Port Negotiation on Gigabit Ethernet Ports Note You cannot enable port negotiation on a 1000BASE-X Gigabit Ethernet port, perform this ...