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... EtherChannel Gigabit EtherChannel port bundles. Configuring Fast EtherChannel Describes how to perform a baseline configuration of the Catalyst enterprise LAN switches. Configuring Spanning Tree Describes how to configure the Spanning Tree Protocol and explains how spanning tree works. 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...
... EtherChannel Gigabit EtherChannel port bundles. Configuring Fast EtherChannel Describes how to perform a baseline configuration of the Catalyst enterprise LAN switches. Configuring Spanning Tree Describes how to configure the Spanning Tree Protocol and explains how spanning tree works. 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...
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... the switch. xxiv Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Configuring the IP Permit List Describes how to configure Cisco Discovery Protocol (CDP) on the switch. Configuring CDP Describes how to configure IP permit list on the switch. Configuring Multicast Services Describes how to configure unicast flood blocking on the switch. Configuring Unicast Flood Blocking Describes how to configure Cisco Group...
... the switch. xxiv Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Configuring the IP Permit List Describes how to configure Cisco Discovery Protocol (CDP) on the switch. Configuring CDP Describes how to configure IP permit list on the switch. Configuring Multicast Services Describes how to configure unicast flood blocking on the switch. Configuring Unicast Flood Blocking Describes how to configure Cisco Group...
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... banner, and perform other administrative tasks on the switch. Configuring VoIP Describes how to modify the switch boot configuration, including the BOOT environment variable and the configuration register. Configuring DNS Describes how to configure Domain Name System (DNS) on the Catalyst 4000 series switches and the Catalyst 4500 series switches, and explains how to configure inline power. Power Management Describes power management...
... banner, and perform other administrative tasks on the switch. Configuring VoIP Describes how to modify the switch boot configuration, including the BOOT environment variable and the configuration register. Configuring DNS Describes how to configure Domain Name System (DNS) on the Catalyst 4000 series switches and the Catalyst 4500 series switches, and explains how to configure inline power. Power Management Describes power management...
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...[/port_num]] 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-3 Verify that the port name is configured. Setting Ethernet and Fast Ethernet Port Names You 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...
...[/port_num]] 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-3 Verify that the port name is configured. Setting Ethernet and Fast Ethernet Port Names You 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...
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... Console> (enable) set port speed 2/2 100 Port 2/2 speed set to half-duplex. Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-5 To set the duplex mode of a port, perform this task in privileged mode: Step 1 Step 2...Ethernet port, both speed and duplex are autonegotiated. Chapter 4 Configuring Ethernet and Fast Ethernet Switching Configuring Ethernet and Fast Ethernet Ports Caution Make sure that the duplex mode of the port is configured correctly. Note If the port speed is set to auto ...
... Console> (enable) set port speed 2/2 100 Port 2/2 speed set to half-duplex. Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-5 To set the duplex mode of a port, perform this task in privileged mode: Step 1 Step 2...Ethernet port, both speed and duplex are autonegotiated. Chapter 4 Configuring Ethernet and Fast Ethernet Switching Configuring Ethernet and Fast Ethernet Ports Caution Make sure that the duplex mode of the port is configured correctly. Note If the port speed is set to auto ...
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...errdisable timeout to see if any reason are reenabled when the global timer times out. Console>(enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-7 For example, if the UniDirectional Link Detection (UDLD) detects a unidirectional link, the port shuts... time interval. Currently, if a port goes into errdisable state: Console> (enable) set errdisable-timeout command. Chapter 4 Configuring Ethernet and Fast Ethernet Switching Configuring Ethernet and Fast Ethernet Ports This example shows how to 24 hours).
...errdisable timeout to see if any reason are reenabled when the global timer times out. Console>(enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-7 For example, if the UniDirectional Link Detection (UDLD) detects a unidirectional link, the port shuts... time interval. Currently, if a port goes into errdisable state: Console> (enable) set errdisable-timeout command. Chapter 4 Configuring Ethernet and Fast Ethernet Switching Configuring Ethernet and Fast Ethernet Ports This example shows how to 24 hours).
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... on configuring Gigabit EtherChannel, see Chapter 6, "Configuring Fast EtherChannel and Gigabit EtherChannel." Console> (enable) show port [mod_num[/port_num]] This 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 a port. Note For information on the Catalyst enterprise LAN switches.
... on configuring Gigabit EtherChannel, see Chapter 6, "Configuring Fast EtherChannel and Gigabit EtherChannel." Console> (enable) show port [mod_num[/port_num]] This 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 a port. Note For information on the Catalyst enterprise LAN switches.
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... State Gigabit Ethernet Port Timeout Periods For information 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. If a 1000BASE-T GBIC (Gigabit Interface Converter) is inserted in the port that was previously...
... State Gigabit Ethernet Port Timeout Periods For information 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. If a 1000BASE-T GBIC (Gigabit Interface Converter) is inserted in the port that was previously...
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... assumed. The possible range for an MISTP instance. Console> (enable) 7-44 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 The timeout value is the forward delay parameter of the switches. 2 sec Monitors the time spent by the switch. If you use the set spantree root and set spantree hello command...
... assumed. The possible range for an MISTP instance. Console> (enable) 7-44 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 The timeout value is the forward delay parameter of the switches. 2 sec Monitors the time spent by the switch. If you use the set spantree root and set spantree hello command...
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... become designated as root if BPDUs are in MST mode, you enable loop guard on a switch with the set spantree global-defaults loop-guard command. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-6 78-15486-01 Chapter 8 Configuring Spanning Tree PortFast, BPDU Guard, BPDU Filter, UplinkFast, BackboneFast, and Loop Understanding How Loop Guard...
... become designated as root if BPDUs are in MST mode, you enable loop guard on a switch with the set spantree global-defaults loop-guard command. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-6 78-15486-01 Chapter 8 Configuring Spanning Tree PortFast, BPDU Guard, BPDU Filter, UplinkFast, BackboneFast, and Loop Understanding How Loop Guard...
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... Understanding How Loop Guard Works 78-15486-01 Figure 8-6 Triangle Switch Configuration with Loop Guard A 3/1 B 3/1 3/2 3/2 3/1 3/2 55772 C Designated port Root port Alternate port Figure 8-6 illustrates the following configuration: • Switches A and B are distribution switches. • Switch C is an access switch. • Loop guard is a root port or an alternate...on PortFast-enabled or dynamic VLAN ports. • Do not enable PortFast on type-inconsistent ports and Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-7
... Understanding How Loop Guard Works 78-15486-01 Figure 8-6 Triangle Switch Configuration with Loop Guard A 3/1 B 3/1 3/2 3/2 3/1 3/2 55772 C Designated port Root port Alternate port Figure 8-6 illustrates the following configuration: • Switches A and B are distribution switches. • Switch C is an access switch. • Loop guard is a root port or an alternate...on PortFast-enabled or dynamic VLAN ports. • Do not enable PortFast on type-inconsistent ports and Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-7
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...tree. 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 Configuring PortFast The following sections describe how to form a channel, spanning tree loses all the state information for...the port is moved into the type-inconsistent state or PVID-inconsistent state. • In high-availability switch configurations, if a port is connected to help isolate the link failure. Loop guard can use PortFast to connect a single end station...
...tree. 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 Configuring PortFast The following sections describe how to form a channel, spanning tree loses all the state information for...the port is moved into the type-inconsistent state or PVID-inconsistent state. • In high-availability switch configurations, if a port is connected to help isolate the link failure. Loop guard can use PortFast to connect a single end station...
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...VMPS Step 2 Step 3 Step 4 Step 5 Step 6 After entering these commands, the file Bldg-G.db is downloaded to each switch. Configure the IP address of a native VLAN Prior to software release 6.2(1), dynamic ports could not enable the dynamic port VLAN feature on ...port 3/1. Switch 1 becomes the VMPS server. Console> (enable) set vmps server 172.20.26.150 primary b. Because spanning tree PortFast mode is enabled by default on ports that carried a native VLAN and an auxiliary VLAN. 12-14 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release...
...VMPS Step 2 Step 3 Step 4 Step 5 Step 6 After entering these commands, the file Bldg-G.db is downloaded to each switch. Configure the IP address of a native VLAN Prior to software release 6.2(1), dynamic ports could not enable the dynamic port VLAN feature on ...port 3/1. Switch 1 becomes the VMPS server. Console> (enable) set vmps server 172.20.26.150 primary b. Because spanning tree PortFast mode is enabled by default on ports that carried a native VLAN and an auxiliary VLAN. 12-14 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release...
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... 300 sec + - In some situations, you can specify the subnet mask for the route. Chapter 27 Administering the Switch Configuring Static Routes This example sets the ARP aging time: Console> (enable) set arp agingtime 300 ARP aging time set ...switch uses the longest-match network address in privileged mode: Step 1 Step 2 Task Command Clear a dynamic, static, or permanent ARP entry. Console> (enable) This example shows how to add a static routing table entry for IP routing table entries. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration...
... 300 sec + - In some situations, you can specify the subnet mask for the route. Chapter 27 Administering the Switch Configuring Static Routes This example sets the ARP aging time: Console> (enable) set arp agingtime 300 ARP aging time set ...switch uses the longest-match network address in privileged mode: Step 1 Step 2 Task Command Clear a dynamic, static, or permanent ARP entry. Console> (enable) This example shows how to add a static routing table entry for IP routing table entries. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration...
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... to support the switch configuration. For example, if your switch has two power supplies. Your switch will not have power redundancy. Combined mode has no power redundancy. See Table 28-2 on page 28-4 for the power supplies, see Table 28-1 on page 28-4. Understanding How Power Management Works on the Catalyst 4500 Series Switches Chapter 28...
... to support the switch configuration. For example, if your switch has two power supplies. Your switch will not have power redundancy. Combined mode has no power redundancy. See Table 28-2 on page 28-4 for the power supplies, see Table 28-1 on page 28-4. Understanding How Power Management Works on the Catalyst 4500 Series Switches Chapter 28...
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... combined mode, the total available power is P + (P * ratio). • See Table 28-1 on page 28-4 for each power supply. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 28-3 For more information about the 1400 W DC power supply, see the "1400 W DC Power Supply Guidelines and Restrictions" section on...
... combined mode, the total available power is P + (P * ratio). • See Table 28-1 on page 28-4 for each power supply. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 28-3 For more information about the 1400 W DC power supply, see the "1400 W DC Power Supply Guidelines and Restrictions" section on...
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... W power supplies (in 1+1 redundancy mode) and four WS-X4148-RJ or WS-X4148-RJ21 modules • One Catalyst 4006 chassis with a WS-X4013 supervisor engine with only two power supplies by the power supply. some switch configurations require more than 1+1 redundancy mode (a single power supply) can create redundancy with two 650 W power supplies...
... W power supplies (in 1+1 redundancy mode) and four WS-X4148-RJ or WS-X4148-RJ21 modules • One Catalyst 4006 chassis with a WS-X4013 supervisor engine with only two power supplies by the power supply. some switch configurations require more than 1+1 redundancy mode (a single power supply) can create redundancy with two 650 W power supplies...
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... there is connected to a Cisco IP Phone. An IP Phone can sense if it is power on the circuit, the switch does not supply it. Chapter 29 Configuring VoIP Configuring VoIP on a Switch Configuring VoIP on a Switch To make an IP phone ...work in which case, the phone provides the power to the voice circuit. For more information on setting the auxiliary VLANs, see the "Configuring Auxiliary VLANs" section on page 10-13. • Configure inline power if necessary. The Catalyst 4500 series switch...
... there is connected to a Cisco IP Phone. An IP Phone can sense if it is power on the circuit, the switch does not supply it. Chapter 29 Configuring VoIP Configuring VoIP on a Switch Configuring VoIP on a Switch To make an IP phone ...work in which case, the phone provides the power to the voice circuit. For more information on setting the auxiliary VLANs, see the "Configuring Auxiliary VLANs" section on page 10-13. • Configure inline power if necessary. The Catalyst 4500 series switch...
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... 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 There are two options: • Newinfo-Sends accounting information to suppress... accounting when an unknown user with no username accesses the switch by using the set a time lapse between periodic updates...
... 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 There are two options: • Newinfo-Sends accounting information to suppress... accounting when an unknown user with no username accesses the switch by using the set a time lapse between periodic updates...
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... the commands needed to configure one or more information on working with switch configuration files on the Catalyst enterprise LAN switches. For example, you might want to download the same configuration file to several switches that have the same hardware configuration so that you connect through the console port when using configuration files to configure the switch. This chapter consists of...
... the commands needed to configure one or more information on working with switch configuration files on the Catalyst enterprise LAN switches. For example, you might want to download the same configuration file to several switches that have the same hardware configuration so that you connect through the console port when using configuration files to configure the switch. This chapter consists of...