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... for configuring and maintaining Catalyst enterprise LAN switches. Configuring the Switch IP Address and Default Gateway Describes how to configure Fast EtherChannel and and Gigabit EtherChannel Gigabit EtherChannel port bundles. Configuring Fast EtherChannel Describes how to perform a baseline configuration of the Catalyst enterprise LAN switches. Using the Command-Line Interface Describes how to configure Gigabit Ethernet switching on the switch. Configuring Gigabit Ethernet Switching Describes...
... for configuring and maintaining Catalyst enterprise LAN switches. Configuring the Switch IP Address and Default Gateway Describes how to configure Fast EtherChannel and and Gigabit EtherChannel Gigabit EtherChannel port bundles. Configuring Fast EtherChannel Describes how to perform a baseline configuration of the Catalyst enterprise LAN switches. Using the Command-Line Interface Describes how to configure Gigabit Ethernet switching on the switch. Configuring Gigabit Ethernet Switching Describes...
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... about modules and switch ports and how to configure quality of service (QoS). Configuring Unicast Flood Blocking Describes how to configure unicast flood blocking on the switch. Configuring VLANs Describes how to configure VLANs and private VLANs on the switch. xxiv Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Configuring RMON Describes how to configure Remote Monitoring (RMON...
... about modules and switch ports and how to configure quality of service (QoS). Configuring Unicast Flood Blocking Describes how to configure unicast flood blocking on the switch. Configuring VLANs Describes how to configure VLANs and private VLANs on the switch. xxiv Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Configuring RMON Describes how to configure Remote Monitoring (RMON...
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..., Catalyst 2948G, and Catalyst 2980G Switches Command Reference • System Message Guide-Catalyst 6500 Series, Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches • Release Notes for Catalyst 4000 Family Supervisor Engine Software Release 7.x 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xxv Configuring 802.1x Authentication Describes how to configure system message logging (syslog) on the switch. Configuring DNS...
..., Catalyst 2948G, and Catalyst 2980G Switches Command Reference • System Message Guide-Catalyst 6500 Series, Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches • Release Notes for Catalyst 4000 Family Supervisor Engine Software Release 7.x 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xxv Configuring 802.1x Authentication Describes how to configure system message logging (syslog) on the switch. Configuring DNS...
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.../port_num [name_string] show port [mod_num[/port_num]] 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-3 To assign a name to a port, perform this task in privileged mode: Step 1 Step 2 Task Assign a name to facilitate switch administration. Chapter 4 Configuring Ethernet and Fast Ethernet Switching Configuring Ethernet and Fast Ethernet Ports Table 4-1 Ethernet and Fast Ethernet...
.../port_num [name_string] show port [mod_num[/port_num]] 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-3 To assign a name to a port, perform this task in privileged mode: Step 1 Step 2 Task Assign a name to facilitate switch administration. Chapter 4 Configuring Ethernet and Fast Ethernet Switching Configuring Ethernet and Fast Ethernet Ports Table 4-1 Ethernet and Fast Ethernet...
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... speed set to full or half duplex for autonegotiation. Verify that the duplex mode of the port is configured correctly. Command set port duplex mod num/port num {full | half} show port [mod_num [/port_num]] ... 1 Step 2 Task Set the duplex mode of ports that are autonegotiated. 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... | 100 | port. Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-5
... speed set to full or half duplex for autonegotiation. Verify that the duplex mode of the port is configured correctly. Command set port duplex mod num/port num {full | half} show port [mod_num [/port_num]] ... 1 Step 2 Task Set the duplex mode of ports that are autonegotiated. 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... | 100 | port. Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-5
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... reason value that have the errdisable timeout set ("enabled") are in errdisable state. Console>(enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-7 Console> (enable) This example shows how to enable errdisable timeout when the reason is disabled... the port), the port status is 30 to 86,400 seconds (30 seconds to 24 hours). 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> (...
... reason value that have the errdisable timeout set ("enabled") are in errdisable state. Console>(enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-7 Console> (enable) This example shows how to enable errdisable timeout when the reason is disabled... the port), the port status is 30 to 86,400 seconds (30 seconds to 24 hours). 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> (...
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... the port name is configured. Command set . Chapter 5 Configuring Gigabit Ethernet Switching Configuring Gigabit Ethernet Ports Configuring Gigabit Ethernet Ports The following sections describe how to configure Gigabit Ethernet switching ports on configuring Gigabit EtherChannel, see Chapter 6, "Configuring Fast EtherChannel and Gigabit EtherChannel." Note For information on the Catalyst enterprise LAN switches. To assign a name to facilitate switch administration. Console> (enable) show...
... the port name is configured. Command set . Chapter 5 Configuring Gigabit Ethernet Switching Configuring Gigabit Ethernet Ports Configuring Gigabit Ethernet Ports The following sections describe how to configure Gigabit Ethernet switching ports on configuring Gigabit EtherChannel, see Chapter 6, "Configuring Fast EtherChannel and Gigabit EtherChannel." Note For information on the Catalyst enterprise LAN switches. To assign a name to facilitate switch administration. Console> (enable) show...
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To enable 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 Verify the port negotiation configuration. Command set port negotiation mod_num/port_num disable show port negotiation [mod_num/port_num] This example shows how to enable port...
To enable 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 Verify the port negotiation configuration. Command set port negotiation mod_num/port_num disable show port negotiation [mod_num/port_num] This example shows how to enable port...
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... set to 7 seconds. Console> (enable) This example shows how to set to 3 seconds. Console> (enable) 7-44 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 If you do not specify a VLAN when the switch is in MISTP mode, MISTP instance 1 is the forward delay parameter of the maximum age parameter...
... set to 7 seconds. Console> (enable) This example shows how to set to 3 seconds. Console> (enable) 7-44 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 If you do not specify a VLAN when the switch is in MISTP mode, MISTP instance 1 is the forward delay parameter of the maximum age parameter...
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...a root port or an alternate root port receives BPDUs. Figure 8-6 shows loop guard in a triangle switch configuration. Note Provided that port belongs. Disabling loop guard moves all loop-inconsistent ports to a stable topology ...Figure 8-5 Adding a Switch in a Shared-Medium Topology Switch A (Root) Switch C Blocked port Switch B (Designated Bridge) Added switch 11245 Understanding How Loop Guard Works Unidirectional link failures may introduce temporary loops in the network. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-6...
...a root port or an alternate root port receives BPDUs. Figure 8-6 shows loop guard in a triangle switch configuration. Note Provided that port belongs. Disabling loop guard moves all loop-inconsistent ports to a stable topology ...Figure 8-5 Adding a Switch in a Shared-Medium Topology Switch A (Root) Switch C Blocked port Switch B (Designated Bridge) Added switch 11245 Understanding How Loop Guard Works Unidirectional link failures may introduce temporary loops in the network. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-6...
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... you enable loop guard on root ports and alternate root ports on a root switch has no blocked ports, which are loop free, do not need to always be configured on type-inconsistent ports and Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-7 Use loop guard only in topologies where there are dropped until...
... you enable loop guard on root ports and alternate root ports on a root switch has no blocked ports, which are loop free, do not need to always be configured on type-inconsistent ports and Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-7 Use loop guard only in topologies where there are dropped until...
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.... Loop guard can enable UniDirectional Link Detection (UDLD) to another Layer 2 device, such as a switch, you enable PortFast on a switch port. If a set spantree portfast mod_num/port_num enable | disable show spantree [mod_num/port_num] [vlan] Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-8 78-15486-01 A loop may obtain the forwarding state with a designated...
.... Loop guard can enable UniDirectional Link Detection (UDLD) to another Layer 2 device, such as a switch, you enable PortFast on a switch port. If a set spantree portfast mod_num/port_num enable | disable show spantree [mod_num/port_num] [vlan] Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-8 78-15486-01 A loop may obtain the forwarding state with a designated...
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...that carried a native VLAN and an auxiliary VLAN. 12-14 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 a. Console> (enable) set... vmps tftpserver 172.20.26.152 Bldg-G.db b. When End Station 2 sends a packet, Switch 2 sends a query to the primary VMPS server, Switch 1. This section uses the following terminology: • Auxiliary VLAN-Separate VLAN for IP phones • Native VLAN-Traditional VLAN for switch 3. Configure...
...that carried a native VLAN and an auxiliary VLAN. 12-14 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 a. Console> (enable) set... vmps tftpserver 172.20.26.152 Bldg-G.db b. When End Station 2 sends a packet, Switch 2 sends a query to the primary VMPS server, Switch 1. This section uses the following terminology: • Auxiliary VLAN-Separate VLAN for IP phones • Native VLAN-Traditional VLAN for switch 3. Configure...
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...of the next-hop router, and the metric (hop count) for IP routing table entries. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 27-9 In releases prior to display the ARP cache: Console> (enable) show arp ARP... Aging time = 300 sec + - You can configure Classless InterDomain Routing (CIDR) routes, such as IP supernets, in privileged mode: Step...
...of the next-hop router, and the metric (hop count) for IP routing table entries. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 27-9 In releases prior to display the ARP cache: Console> (enable) show arp ARP... Aging time = 300 sec + - You can configure Classless InterDomain Routing (CIDR) routes, such as IP supernets, in privileged mode: Step...
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... Management Works on the Catalyst 4500 Series Switches Chapter 28 Power Management Power Management Overview Catalyst 4500 series switches support the following power supplies: • Fixed wattage-These power supplies always deliver a fixed amount of the switch configuration. Caution Do not use . Combined mode has no power redundancy. For example, if your switch has two power supplies...
... Management Works on the Catalyst 4500 Series Switches Chapter 28 Power Management Power Management Overview Catalyst 4500 series switches support the following power supplies: • Fixed wattage-These power supplies always deliver a fixed amount of the switch configuration. Caution Do not use . Combined mode has no power redundancy. For example, if your switch has two power supplies...
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... the maximum available power for the chassis and inline power for each power supply. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 28-3 The power supplies have power redundancy. • When using fixed power supplies...Catalyst 4500 series switches: • The two power supplies must be the same type. • If you set to redundant mode. • The two power supplies must be the same type. Caution Do not use power supplies with any other short-term emergency, because you can support the switch configuration...
... the maximum available power for the chassis and inline power for each power supply. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 28-3 The power supplies have power redundancy. • When using fixed power supplies...Catalyst 4500 series switches: • The two power supplies must be the same type. • If you set to redundant mode. • The two power supplies must be the same type. Caution Do not use power supplies with any other short-term emergency, because you can support the switch configuration...
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The 1+1 redundancy mode might not support a fully loaded chassis. You can provide. some switch configurations require more information, refer to the Catalyst 4000 Series Switch Installation Guide. The 1+1 redundancy mode might not support a fully loaded chassis. In systems with only two power supplies by the power supply. The supervisor engine ...
The 1+1 redundancy mode might not support a fully loaded chassis. You can provide. some switch configurations require more information, refer to the Catalyst 4000 Series Switch Installation Guide. The 1+1 redundancy mode might not support a fully loaded chassis. In systems with only two power supplies by the power supply. The supervisor engine ...
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... VLANs" section on the circuit, the switch does not supply it is connected to a Cisco IP Phone. You can configure the switch to stop supplying power to an IP Phone and to an IP Phone. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 29-3 See the "Configuring Inline Power" section on page 28...
... VLANs" section on the circuit, the switch does not supply it is connected to a Cisco IP Phone. You can configure the switch to stop supplying power to an IP Phone and to an IP Phone. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 29-3 See the "Configuring Inline Power" section on page 28...
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... the "Specifying RADIUS Servers" section on page 30-23, for more information on the key setup. 30-50 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 This option can configure the system to encrypt protocol packets before enabling accounting. Valid intervals are the same, except that RADIUS does not...
... the "Specifying RADIUS Servers" section on page 30-23, for more information on the key setup. 30-50 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 This option can configure the system to encrypt protocol packets before enabling accounting. Valid intervals are the same, except that RADIUS does not...
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... and modules are saved in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. Enter a blank line after the set password and set them on the Catalyst enterprise LAN switches. 35 C H A P T E R Working with Configuration Files This chapter describes how to configure the switch. Note For complete syntax and usage information for creating...
... and modules are saved in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. Enter a blank line after the set password and set them on the Catalyst enterprise LAN switches. 35 C H A P T E R Working with Configuration Files This chapter describes how to configure the switch. Note For complete syntax and usage information for creating...