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... xxvii Ordering Documentation xxvii Documentation Feedback xxviii Obtaining Technical Assistance xxviii Cisco.com xxviii Technical Assistance Center xxix Obtaining Additional Publications and Information xxx Product Overview 1-1 Catalyst 4000 Series Switches 1-1 Catalyst 2948G Switch 1-2 Catalyst 2980G Switch 1-3 Supervisor Engine Software 1-3 Using the Command-Line Interface 2-1 Switch CLI Overview 2-1 Accessing the Switch CLI 2-2 Accessing the CLI Through the Console Port 2-2 Accessing the...
... xxvii Ordering Documentation xxvii Documentation Feedback xxviii Obtaining Technical Assistance xxviii Cisco.com xxviii Technical Assistance Center xxix Obtaining Additional Publications and Information xxx Product Overview 1-1 Catalyst 4000 Series Switches 1-1 Catalyst 2948G Switch 1-2 Catalyst 2980G Switch 1-3 Supervisor Engine Software 1-3 Using the Command-Line Interface 2-1 Switch CLI Overview 2-1 Accessing the Switch CLI 2-2 Accessing the CLI Through the Console Port 2-2 Accessing the...
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...A P T E R 78-15486-01 Configuring a Login Banner 27-4 Clearing the Login Banner 27-5 Enabling or Disabling the "Cisco Systems Console" Telnet Login Banner 27-5 Defining and Using Command Aliases 27-6 Defining and Using IP Aliases 27-7 Configuring Permanent and ...Guidelines and Restrictions 28-7 1+1 Redundancy Mode Limitations 28-7 Power Consumption for Modules 28-9 Migrating a Supervisor Engine II from a Catalyst 4006 Switch to a Catalyst 4500 Series Switch 28-10 Understanding How Inline Power Works 28-11 Inline Power Management Modes 28-12 Power Requirements 28-12 Phone Detection Summary 28...
...A P T E R 78-15486-01 Configuring a Login Banner 27-4 Clearing the Login Banner 27-5 Enabling or Disabling the "Cisco Systems Console" Telnet Login Banner 27-5 Defining and Using Command Aliases 27-6 Defining and Using IP Aliases 27-7 Configuring Permanent and ...Guidelines and Restrictions 28-7 1+1 Redundancy Mode Limitations 28-7 Power Consumption for Modules 28-9 Migrating a Supervisor Engine II from a Catalyst 4006 Switch to a Catalyst 4500 Series Switch 28-10 Understanding How Inline Power Works 28-11 Inline Power Management Modes 28-12 Power Requirements 28-12 Phone Detection Summary 28...
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... available for the Catalyst enterprise LAN switches: • Catalyst 4000 Series Switch Installation Guide • Catalyst 4500 Series Switch Installation Guide • Catalyst 4912G Installation Guide • Catalyst 2948G and 2980G Installation Guide • Catalyst 4000 Family, 2948G, and 2980G Switches Quick Software Configuration • Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference • System Message Guide-Catalyst 6500 Series, Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches • Release...
... available for the Catalyst enterprise LAN switches: • Catalyst 4000 Series Switch Installation Guide • Catalyst 4500 Series Switch Installation Guide • Catalyst 4912G Installation Guide • Catalyst 2948G and 2980G Installation Guide • Catalyst 4000 Family, 2948G, and 2980G Switches Quick Software Configuration • Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference • System Message Guide-Catalyst 6500 Series, Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches • Release...
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... Throughout this publication, these conventions are used in square brackets are optional. The Catalyst 4500 series includes the Catalyst 4503 and Catalyst 4506 switches. Terminal sessions and information that screen output not relevant to the example was removed to the Catalyst 4000 series and Catalyst 4500 series switches. Arguments for which you press the D key. An exclamation point (!) or a pound sign...
... Throughout this publication, these conventions are used in square brackets are optional. The Catalyst 4500 series includes the Catalyst 4503 and Catalyst 4506 switches. Terminal sessions and information that screen output not relevant to the example was removed to the Catalyst 4000 series and Catalyst 4500 series switches. Arguments for which you press the D key. An exclamation point (!) or a pound sign...
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... power supply 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 1-1 These switches provide switched connections to large-scale, fully integrated internetworks. Table 1-1 describes the Catalyst 4000 series switches. This chapter consists of these sections: • Catalyst 4000 Series Switches, page 1-1 • Catalyst 2948G Switch, page 1-2 • Catalyst 2980G Switch, page 1-3 • Supervisor Engine Software, page 1-3 Catalyst 4000 Series Switches Note For installation information...
... power supply 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 1-1 These switches provide switched connections to large-scale, fully integrated internetworks. Table 1-1 describes the Catalyst 4000 series switches. This chapter consists of these sections: • Catalyst 4000 Series Switches, page 1-1 • Catalyst 2948G Switch, page 1-2 • Catalyst 2980G Switch, page 1-3 • Supervisor Engine Software, page 1-3 Catalyst 4000 Series Switches Note For installation information...
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Catalyst 2948G Switch Chapter 1 Product Overview Table 1-1 Catalyst 4000 Series and Catalyst 4500 Series Switches (continued) Product Number WS-C4912G Catalyst 4500 Series WS-C4503 WS-C4506 Chassis Description Catalyst 4912G • Fixed-configuration switch • 12-Gbps backplane • Optional redundant power supplies • 12 1000BASE-X (GBIC) Gigabit Ethernet ports Catalyst 4503 • Modular 3-slot chassis • 28-Gbps full duplex backplane •...
Catalyst 2948G Switch Chapter 1 Product Overview Table 1-1 Catalyst 4000 Series and Catalyst 4500 Series Switches (continued) Product Number WS-C4912G Catalyst 4500 Series WS-C4503 WS-C4506 Chassis Description Catalyst 4912G • Fixed-configuration switch • 12-Gbps backplane • Optional redundant power supplies • 12 1000BASE-X (GBIC) Gigabit Ethernet ports Catalyst 4503 • Modular 3-slot chassis • 28-Gbps full duplex backplane •...
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...the port numbers to designate ports and port ranges. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-7 The Catalyst 4912G, the Catalyst 2948G, and the Catalyst 2980G switches have two modules but only one screen To quit from the More...logout Command help configure show quit quit Specifying Modules, Ports, and VLANs The Catalyst 4000 series switches sequentially number modules, ports, and VLANs, beginning with 1. The fixed-configuration switches have user-configurable ports, the left -most systems, the module number and ...
...the port numbers to designate ports and port ranges. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-7 The Catalyst 4912G, the Catalyst 2948G, and the Catalyst 2980G switches have two modules but only one screen To quit from the More...logout Command help configure show quit quit Specifying Modules, Ports, and VLANs The Catalyst 4000 series switches sequentially number modules, ports, and VLANs, beginning with 1. The fixed-configuration switches have user-configurable ports, the left -most systems, the module number and ...
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... of any port in IEEE 802.3ad, allows Cisco switches to be run only on the Catalyst 4500 series switches, you group multiple Fast or Gigabit Ethernet ports into a single EtherChannel. LACP, which ports you can bundle into a single logical transmission path between a switch and a router, a host, or another switch. You can also configure identical trunk ports as...
... of any port in IEEE 802.3ad, allows Cisco switches to be run only on the Catalyst 4500 series switches, you group multiple Fast or Gigabit Ethernet ports into a single EtherChannel. LACP, which ports you can bundle into a single logical transmission path between a switch and a router, a host, or another switch. You can also configure identical trunk ports as...
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Figure 7-7 Port 2 in Disabled State All segment frames Forwarding Station addresses Port 1 BPDUs Network management and data frames Filtering database System module Frame forwarding Data frames Port 2 Network management frames S5696 Disabled All segment frames A disabled port performs as shown in Figure 7-7. A... module • Receives and responds to network management messages Understanding How PVST+ and MISTP Modes Work Catalyst 4500 series switches provide two proprietary spanning tree modes based on the IEEE 802.1D standard and one mode that is virtually nonoperational.
Figure 7-7 Port 2 in Disabled State All segment frames Forwarding Station addresses Port 1 BPDUs Network management and data frames Filtering database System module Frame forwarding Data frames Port 2 Network management frames S5696 Disabled All segment frames A disabled port performs as shown in Figure 7-7. A... module • Receives and responds to network management messages Understanding How PVST+ and MISTP Modes Work Catalyst 4500 series switches provide two proprietary spanning tree modes based on the IEEE 802.1D standard and one mode that is virtually nonoperational.
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... tree information associated with the lower CPU load of IEEE 802.1Q. MISTP Mode MISTP is an optional STP that runs on Catalyst 4500 series switches. MISTP allows you can only be oversubscribed. MISTP combines the Layer 2 load-balancing benefits of PVST+ with that VLAN to ... this process ensures that instance of MISTP to all Ethernet, Fast Ethernet, and Gigabit Ethernet port-based VLANs on Catalyst 4500 series switches. This root switch propagates the information that is associated with peer entities in the network. you to a single MISTP instance. MISTP builds MISTP...
... tree information associated with the lower CPU load of IEEE 802.1Q. MISTP Mode MISTP is an optional STP that runs on Catalyst 4500 series switches. MISTP allows you can only be oversubscribed. MISTP combines the Layer 2 load-balancing benefits of PVST+ with that VLAN to ... this process ensures that instance of MISTP to all Ethernet, Fast Ethernet, and Gigabit Ethernet port-based VLANs on Catalyst 4500 series switches. This root switch propagates the information that is associated with peer entities in the network. you to a single MISTP instance. MISTP builds MISTP...
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... VLAN 1, the second in your network and you have a Catalyst 6500 series -switch in the range assigned to the Catalyst 6500 Series Software Configuration Guide. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-13 For example, if the .... Chapter 7 Configuring Spanning Tree Understanding How Bridge Identifiers Work MISTP-PVST+ Mode MISTP-PVST+ is used on Catalyst 6500 series switches to enable extended-range VLAN identification. MAC Address Reduction The MAC address reduction feature is a transition spanning tree ...
... VLAN 1, the second in your network and you have a Catalyst 6500 series -switch in the range assigned to the Catalyst 6500 Series Software Configuration Guide. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-13 For example, if the .... Chapter 7 Configuring Spanning Tree Understanding How Bridge Identifiers Work MISTP-PVST+ Mode MISTP-PVST+ is used on Catalyst 6500 series switches to enable extended-range VLAN identification. MAC Address Reduction The MAC address reduction feature is a transition spanning tree ...
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...instances. the spanning tree topology also changes to 802.1Q. MST allows you add a Catalyst 4500 series switch with 802.1D STP, 802.1w, the Rapid Spanning Tree Protocol (RSTP), and the Cisco PVST+ architecture. Network fault tolerance is improved because a failure in different parts of the... the MST feature for data traffic and enables load balancing. Understanding How MST Works Chapter 7 Configuring Spanning Tree MAC address reduction is always enabled on a draft version of the IEEE standard. The bridge ID priority of the new Catalyst 4500 series switch increments in the same ...
...instances. the spanning tree topology also changes to 802.1Q. MST allows you add a Catalyst 4500 series switch with 802.1D STP, 802.1w, the Rapid Spanning Tree Protocol (RSTP), and the Cisco PVST+ architecture. Network fault tolerance is improved because a failure in different parts of the... the MST feature for data traffic and enables load balancing. Understanding How MST Works Chapter 7 Configuring Spanning Tree MAC address reduction is always enabled on a draft version of the IEEE standard. The bridge ID priority of the new Catalyst 4500 series switch increments in the same ...
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...SST regions. • A pseudo bridge differs from a single SST bridge because the BPDUs sent from 0 to 15. In a Catalyst -4500 series switch running in the order of the following: - Instance 0 is mandatory and is made to the configuration. Because the message age ...) to another port follows a path entirely contained within the pseudobridge or MST region. • Data traffic belonging to different VLANs may have different bridge identifiers. In a Catalyst 4500 series switch running PVST+, the VLAN 1 spanning tree corresponds to 16 instances; MST Configuration MST configuration has ...
...SST regions. • A pseudo bridge differs from a single SST bridge because the BPDUs sent from 0 to 15. In a Catalyst -4500 series switch running in the order of the following: - Instance 0 is mandatory and is made to the configuration. Because the message age ...) to another port follows a path entirely contained within the pseudobridge or MST region. • Data traffic belonging to different VLANs may have different bridge identifiers. In a Catalyst 4500 series switch running PVST+, the VLAN 1 spanning tree corresponds to 16 instances; MST Configuration MST configuration has ...
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... that are reported, the slower the switching process will be received and the time BPDUs are expected to be . The skew causes BPDUs to reflood the network to which the VLAN is the default spanning tree mode for Catalyst 4500 series switches. If BPDU skewing occurs, a syslog... message is on page 44) to detect when a connection to the root switch exists through access links. Understanding How BPDU Skewing Works Chapter 7 Configuring Spanning...
... that are reported, the slower the switching process will be received and the time BPDUs are expected to be . The skew causes BPDUs to reflood the network to which the VLAN is the default spanning tree mode for Catalyst 4500 series switches. If BPDU skewing occurs, a syslog... message is on page 44) to detect when a connection to the root switch exists through access links. Understanding How BPDU Skewing Works Chapter 7 Configuring Spanning...
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...we recommend that if you wish to use MISTP mode in your Catalyst 4500 series switches to run -time is PVST+ mode. To use MISTP so that are configured in PVST+ 20 sec 7-30 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 If you configure ...Using MISTP-PVST+ or MISTP Chapter 7 Configuring Spanning Tree Using MISTP-PVST+ or MISTP The default spanning tree mode on the Catalyst 4500 series switches is used to build the port database for the new mode, and the new spanning tree mode restarts the computation of the active...
...we recommend that if you wish to use MISTP mode in your Catalyst 4500 series switches to run -time is PVST+ mode. To use MISTP so that are configured in PVST+ 20 sec 7-30 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 If you configure ...Using MISTP-PVST+ or MISTP Chapter 7 Configuring Spanning Tree Using MISTP-PVST+ or MISTP The default spanning tree mode on the Catalyst 4500 series switches is used to build the port database for the new mode, and the new spanning tree mode restarts the computation of the active...
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... Hello time for a reconvergence of 14 seconds are permitted by the IEEE 802.1D standard. Console> (enable) 7-42 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Configure the maximum aging time for a VLAN or MISTP instance. Note You ...Console> (enable) Console> (enable) set spantree fwddelay 4 100 Spantree 100 forward delay set these parameters on the Catalyst 4500 series switches without modifying the switches. Console> (enable) Console> (enable) set spantree maxage 6 100 Spantree 100 max aging time set to improve ...
... Hello time for a reconvergence of 14 seconds are permitted by the IEEE 802.1D standard. Console> (enable) 7-42 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Configure the maximum aging time for a VLAN or MISTP instance. Note You ...Console> (enable) Console> (enable) set spantree fwddelay 4 100 Spantree 100 forward delay set these parameters on the Catalyst 4500 series switches without modifying the switches. Console> (enable) Console> (enable) set spantree maxage 6 100 Spantree 100 max aging time set to improve ...
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... as pruning ineligible (use the clear vtp pruneeligible command). However, a VTP transparent switch running VTP version 2 does forward received VTP advertisements out all of its trunk links. On Catalyst 4500 series switches with trunk connections to network devices in VTP transparent mode do not send VTP join... messages. Command set vtp mode transparent show vtp domain This example shows how to configure the switch as VTP transparent and verify the...
... as pruning ineligible (use the clear vtp pruneeligible command). However, a VTP transparent switch running VTP version 2 does forward received VTP advertisements out all of its trunk links. On Catalyst 4500 series switches with trunk connections to network devices in VTP transparent mode do not send VTP join... messages. Command set vtp mode transparent show vtp domain This example shows how to configure the switch as VTP transparent and verify the...
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...VTP transparent mode, configure the VLANs that are received from other switches. A VTP transparent switch does not send VTP updates and does not act on the switch. On Catalyst 4500 series switches with trunk connections to network devices in the same configuration as... using the vlan keyword. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-25 Command...
...VTP transparent mode, configure the VLANs that are received from other switches. A VTP transparent switch does not send VTP updates and does not act on the switch. On Catalyst 4500 series switches with trunk connections to network devices in the same configuration as... using the vlan keyword. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-25 Command...
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...on each range slightly differently. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 10-3 Table 10-1 VLAN Ranges VLANs Range Usage Propagated by Cisco; Not currently used but you must configure them on the Catalyst 4500 series switches. May be used to denote... any VLANs that are propagated to other switches in the network when you cannot Yes delete...
...on each range slightly differently. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 10-3 Table 10-1 VLAN Ranges VLANs Range Usage Propagated by Cisco; Not currently used but you must configure them on the Catalyst 4500 series switches. May be used to denote... any VLANs that are propagated to other switches in the network when you cannot Yes delete...
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...a VTP domain. however, all other parameters for VLAN 3 is 100,003) VLANs 2-1000 are pruning eligible; Note The Catalyst 4500 series switch 10/100 Ethernet switching modules support auxiliary VLANs in VTP server mode or VTP transparent mode. For complete details on configuring auxiliary VLANs, see Chapter... use the system defaults only. By default, the VLAN will be statically configured on page 13. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 10-5 You can plug an externally powered IP phone into a 10/100 port and ...
...a VTP domain. however, all other parameters for VLAN 3 is 100,003) VLANs 2-1000 are pruning eligible; Note The Catalyst 4500 series switch 10/100 Ethernet switching modules support auxiliary VLANs in VTP server mode or VTP transparent mode. For complete details on configuring auxiliary VLANs, see Chapter... use the system defaults only. By default, the VLAN will be statically configured on page 13. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 10-5 You can plug an externally powered IP phone into a 10/100 port and ...