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... Overview 6-2 Understanding Frame Distribution 6-2 Hardware Support for EtherChannel 6-2 PAgP and LACP 6-2 EtherChannel Configuration Guidelines and Restrictions 6-3 Guidelines for Configuring a Port 6-3 Guidelines for Configuring VLANs and Trunks 6-4 EtherChannel Interaction with other ...Port VLAN Cost 6-9 Removing an EtherChannel Bundle 6-9 Displaying EtherChannel Configuration Information 6-10 Displaying EtherChannel Traffic Statistics 6-11 Displaying EtherChannel PAgP Statistics 6-12 EtherChannel Configuration Examples 6-12 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches ...
... Overview 6-2 Understanding Frame Distribution 6-2 Hardware Support for EtherChannel 6-2 PAgP and LACP 6-2 EtherChannel Configuration Guidelines and Restrictions 6-3 Guidelines for Configuring a Port 6-3 Guidelines for Configuring VLANs and Trunks 6-4 EtherChannel Interaction with other ...Port VLAN Cost 6-9 Removing an EtherChannel Bundle 6-9 Displaying EtherChannel Configuration Information 6-10 Displaying EtherChannel Traffic Statistics 6-11 Displaying EtherChannel PAgP Statistics 6-12 EtherChannel Configuration Examples 6-12 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches ...
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... VLAN Port 10-22 Deleting a Private VLAN 10-22 Deleting an Isolated or Community VLAN 10-23 Deleting a Private VLAN Mapping 10-23 Configuring VLAN Trunks on Fast Ethernet and Gigabit Ethernet Ports 11-1 Understanding How VLAN Trunks Work 11-1 Trunking Overview 11-1 Trunking Modes and Encapsulation Types 11-2 Trunking Support ... VMPS Clients 12-8 Monitoring VMPS 12-9 Maintaining VMPS 12-9 Configuring Static Ports 12-10 Troubleshooting VMPS and Dynamic Port VLAN Membership 12-11 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 x 78-15486-01
... VLAN Port 10-22 Deleting a Private VLAN 10-22 Deleting an Isolated or Community VLAN 10-23 Deleting a Private VLAN Mapping 10-23 Configuring VLAN Trunks on Fast Ethernet and Gigabit Ethernet Ports 11-1 Understanding How VLAN Trunks Work 11-1 Trunking Overview 11-1 Trunking Modes and Encapsulation Types 11-2 Trunking Support ... VMPS Clients 12-8 Monitoring VMPS 12-9 Maintaining VMPS 12-9 Configuring Static Ports 12-10 Troubleshooting VMPS and Dynamic Port VLAN Membership 12-11 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 x 78-15486-01
Software Guide
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... A P T E R Configuring RMON 25-1 Understanding How RMON Works 25-1 Enabling RMON 25-2 Viewing RMON Data 25-2 Supported RMON and RMON2 MIB Objects 25-2 26 C H A P T E R Configuring SPAN and RSPAN 26-1 Understanding How...Port 26-2 Reflector Port 26-3 Ingress SPAN 26-3 Egress SPAN 26-3 VSPAN 26-3 Trunk VLAN Filtering 26-4 SPAN Traffic 26-4 SPAN and RSPAN Session Limits 26-4 Configuring SPAN 26-4 ... RSPAN 26-10 RSPAN Configuration Examples 26-13 27 C H A P T E R Administering the Switch 27-1 Setting the System Name and System Prompt 27-1 Configuring the System Name and Prompt 27-2 Setting...
... A P T E R Configuring RMON 25-1 Understanding How RMON Works 25-1 Enabling RMON 25-2 Viewing RMON Data 25-2 Supported RMON and RMON2 MIB Objects 25-2 26 C H A P T E R Configuring SPAN and RSPAN 26-1 Understanding How...Port 26-2 Reflector Port 26-3 Ingress SPAN 26-3 Egress SPAN 26-3 VSPAN 26-3 Trunk VLAN Filtering 26-4 SPAN Traffic 26-4 SPAN and RSPAN Session Limits 26-4 Configuring SPAN 26-4 ... RSPAN 26-10 RSPAN Configuration Examples 26-13 27 C H A P T E R Administering the Switch 27-1 Setting the System Name and System Prompt 27-1 Configuring the System Name and Prompt 27-2 Setting...
Software Guide
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..., the Catalyst enterprise LAN switches treat each port as an individual segment. The switch then forwards subsequent frames to a single port without flooding any entries. Because each Ethernet port on the switches (Gigabit Ethernet ports support only full duplex). When stations on the switch can transmit... all ports of the same virtual LAN (VLAN) except the port that stations can store at the same time. To switch frames between ports efficiently, the switch maintains an address table. Building the Address Table The switch builds the address table by all ports. ...
..., the Catalyst enterprise LAN switches treat each port as an individual segment. The switch then forwards subsequent frames to a single port without flooding any entries. Because each Ethernet port on the switches (Gigabit Ethernet ports support only full duplex). When stations on the switch can transmit... all ports of the same virtual LAN (VLAN) except the port that stations can store at the same time. To switch frames between ports efficiently, the switch maintains an address table. Building the Address Table The switch builds the address table by all ports. ...
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... LACP" section on the Catalyst 4500 series switches, you can configure any two to the source and destination MAC addresses. Depending on your hardware supports EtherChannel, and to be ...source and destination MAC addresses of channels is hardware dependent. PAgP is a Cisco-proprietary protocol that conform to all ports in an EtherChannel bundle do not..., "Configuring VLAN Trunks on page 6-5. In addition, on page 6-16. You can configure both Fast and Gigabit EtherChannel bundles as a trunk. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...
... LACP" section on the Catalyst 4500 series switches, you can configure any two to the source and destination MAC addresses. Depending on your hardware supports EtherChannel, and to be ...source and destination MAC addresses of channels is hardware dependent. PAgP is a Cisco-proprietary protocol that conform to all ports in an EtherChannel bundle do not..., "Configuring VLAN Trunks on page 6-5. In addition, on page 6-16. You can configure both Fast and Gigabit EtherChannel bundles as a trunk. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...
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... filtering, you must set port channel command. • Do not configure the ports in an EtherChannel as dynamic VLAN ports. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-4 78-15486-01 If the allowed range of service (QoS) configurations. •...Cisco Discovery Protocol (CDP) runs on its channeling configuration and state, and the links are pulled down temporarily to cause partner ports to reset. No other features: • An EtherChannel will not form with ports that have unexpected results. • An EtherChannel supports...
... filtering, you must set port channel command. • Do not configure the ports in an EtherChannel as dynamic VLAN ports. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-4 78-15486-01 If the allowed range of service (QoS) configurations. •...Cisco Discovery Protocol (CDP) runs on its channeling configuration and state, and the links are pulled down temporarily to cause partner ports to reset. No other features: • An EtherChannel will not form with ports that have unexpected results. • An EtherChannel supports...
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...as follows: - M-records are active only within MST BPDUs (MST BPDUs). UplinkFast and BackboneFast are supported in MST mode; IST connects all . 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-15 Any given MSTI is independent of CIST. • MST ...reduction is contained in MST. MST bridges run a variant of STP (IST) that encompasses the whole bridged domain. MST preserves the VLAN 1 disabled functionality except that are mapped to as the root of CST. • Ensure that is local to the MST region ...
...as follows: - M-records are active only within MST BPDUs (MST BPDUs). UplinkFast and BackboneFast are supported in MST mode; IST connects all . 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-15 Any given MSTI is independent of CIST. • MST ...reduction is contained in MST. MST bridges run a variant of STP (IST) that encompasses the whole bridged domain. MST preserves the VLAN 1 disabled functionality except that are mapped to as the root of CST. • Ensure that is local to the MST region ...
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...supports up to block the ports of seconds. • Data traffic from one forwarding port on the boundary and blocking all the VLANs called CST. MST Configuration MST configuration has three parts as follows: • The same values for each time you commit the MST configuration. 7-18 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches... other ports. - The pseudobridge BPDUs have significantly different message ages. In a Catalyst -4500 series switch running PVST+, the VLAN 1 spanning tree corresponds to the configuration. This difference does not affect STP operation...
...supports up to block the ports of seconds. • Data traffic from one forwarding port on the boundary and blocking all the VLANs called CST. MST Configuration MST configuration has three parts as follows: • The same values for each time you commit the MST configuration. 7-18 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches... other ports. - The pseudobridge BPDUs have significantly different message ages. In a Catalyst -4500 series switch running PVST+, the VLAN 1 spanning tree corresponds to the configuration. This difference does not affect STP operation...
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...time) of the VLAN or PVST+ or MISTP instance and the port affected by default. Verify the configuration. Console> (enable) Console> (enable) show spantree bpdu-skewing mistp-instance [instance] [mod/port] 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-...Boundary(PVST) 6/2 blocking BDRY 20000 32 P2P, Boundary(PVST) Console> (enable) Configuring Spanning Tree BPDU Skewing Commands that support the spanning tree BPDU skewing feature perform these functions: • Allow you to show if the skew detection is disabled by...
...time) of the VLAN or PVST+ or MISTP instance and the port affected by default. Verify the configuration. Console> (enable) Console> (enable) show spantree bpdu-skewing mistp-instance [instance] [mod/port] 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-...Boundary(PVST) 6/2 blocking BDRY 20000 32 P2P, Boundary(PVST) Console> (enable) Configuring Spanning Tree BPDU Skewing Commands that support the spanning tree BPDU skewing feature perform these functions: • Allow you to show if the skew detection is disabled by...
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... the BackboneFast feature on the switch. The portvlancost of all bridge ports set to default value. BackboneFast is supported for all vlans to be set to default value. This feature is not supported on Token Ring VLANs. The port cost of all...use with third-party switches. Verify that BackboneFast is enabled. Console> (enable) show spantree summary 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-17 Command show spantree uplinkfast uplinkfast disabled for bridge. y VLANs 1-1005 bridge priority set...
... the BackboneFast feature on the switch. The portvlancost of all bridge ports set to default value. BackboneFast is supported for all vlans to be set to default value. This feature is not supported on Token Ring VLANs. The port cost of all...use with third-party switches. Verify that BackboneFast is enabled. Console> (enable) show spantree summary 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-17 Command show spantree uplinkfast uplinkfast disabled for bridge. y VLANs 1-1005 bridge priority set...
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... by managing the addition, deletion, and renaming of VLANs on one switch and have those changes automatically communicated to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. You can use VTP to manage VLANs 1-1005 in your network. (VTP version 1 and VTP version 2 do not support VLANs 1025-4094.) With VTP, you can result in...
... by managing the addition, deletion, and renaming of VLANs on one switch and have those changes automatically communicated to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. You can use VTP to manage VLANs 1-1005 in your network. (VTP version 1 and VTP version 2 do not support VLANs 1025-4094.) With VTP, you can result in...
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... received and transmitted as soon as in transparent mode without consistency checks. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-3 VTP version 2 supports the following global configuration information is distributed in VTP advertisements: • VLAN IDs (ISL and 802.1Q) • VTP domain name • VTP configuration revision number...
... received and transmitted as soon as in transparent mode without consistency checks. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-3 VTP version 2 supports the following global configuration information is distributed in VTP advertisements: • VLAN IDs (ISL and 802.1Q) • VTP domain name • VTP configuration revision number...
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By default, VTP pruning is connected to Switches 3, 5, and 6 because traffic for the Red VLAN has been pruned on the links indicated (port 5 on Switch 2 and port 4 on Switch 4). A broadcast is sent from Switch 1 is with VTP pruning enabled. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-4 78-15486-01 VTP pruning enhances network bandwidth use...
By default, VTP pruning is connected to Switches 3, 5, and 6 because traffic for the Red VLAN has been pruned on the links indicated (port 5 on Switch 2 and port 4 on Switch 4). A broadcast is sent from Switch 1 is with VTP pruning enabled. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-4 78-15486-01 VTP pruning enhances network bandwidth use...
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...VLANs prune eligible: 2-1000 Console> (enable) Enabling VTP Version 2 VTP version 2 is enabled. Caution VTP version 1 and VTP version 2 are not forwarded. When you disable VTP using the off Changing VTP mode for all features VTP domain Lab_Net modified Console> (enable) show vtp domain 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...configuration. Do not enable VTP version 2 unless every switch in the VTP domain supports version 2. Verify that VTP advertisements are not interoperable on switches in the same VTP domain. Chapter 9 Configuring ...
...VLANs prune eligible: 2-1000 Console> (enable) Enabling VTP Version 2 VTP version 2 is enabled. Caution VTP version 1 and VTP version 2 are not forwarded. When you disable VTP using the off Changing VTP mode for all features VTP domain Lab_Net modified Console> (enable) show vtp domain 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...configuration. Do not enable VTP version 2 unless every switch in the VTP domain supports version 2. Verify that VTP advertisements are not interoperable on switches in the same VTP domain. Chapter 9 Configuring ...
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... and advertising of security. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-13 VTP ...version 3 handles the configuration propagation of multiple databases (features) independent of VTP passwords. VTP version 3 allows the configuration of opaque databases over an administrative domain. The password appears in that is equivalent to previous VTP versions: • Support for extended VLANs. • Support for the VLAN...
... and advertising of security. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-13 VTP ...version 3 handles the configuration propagation of multiple databases (features) independent of VTP passwords. VTP version 3 allows the configuration of opaque databases over an administrative domain. The password appears in that is equivalent to previous VTP versions: • Support for extended VLANs. • Support for the VLAN...
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...the transparent mode is not specific to VLAN information. Note In software release 8.1(1), the only supported database propagation is controlling. To reach the primary server state, you are described in the following reasons: • A switch reload. • A high-availability ...domain can operate with VTP Version 1 and VTP Version 2, page 9-21 • Limitations, page 9-21 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-19 In both modes, you must issue a successful takeover from another server. • A...
...the transparent mode is not specific to VLAN information. Note In software release 8.1(1), the only supported database propagation is controlling. To reach the primary server state, you are described in the following reasons: • A switch reload. • A high-availability ...domain can operate with VTP Version 1 and VTP Version 2, page 9-21 • Limitations, page 9-21 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-19 In both modes, you must issue a successful takeover from another server. • A...
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...mode off unknown command, the packets are independent, they can only be enabled on a switch with off for all databases. If you to configure the behavior of the VLAN database is off or transparent modes. The "unknown" feature can operate in different modes... for the VLAN database; The VTP instance is propagated by future extensions of the VTP protocol. Note In software release 8.1(1), the only supported database propagation is for the unknown features are no "unknown" databases. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration ...
...mode off unknown command, the packets are independent, they can only be enabled on a switch with off for all databases. If you to configure the behavior of the VLAN database is off or transparent modes. The "unknown" feature can operate in different modes... for the VLAN database; The VTP instance is propagated by future extensions of the VTP protocol. Note In software release 8.1(1), the only supported database propagation is for the unknown features are no "unknown" databases. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration ...
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... the optional feature keyword is for feature vlan. Enter VTP password: No conflicting VTP 3 devices found. 9-28 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Conflicting servers are prompted by the local switch for which it . Note In software release 8.1(1), the only supported database propagation is not specified, the local...
... the optional feature keyword is for feature vlan. Enter VTP password: No conflicting VTP 3 devices found. 9-28 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Conflicting servers are prompted by the local switch for which it . Note In software release 8.1(1), the only supported database propagation is not specified, the local...
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...Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Enter the set of IP addresses. Configuring Auxiliary VLANs Chapter 10 Configuring VLANs Figure 10-2 Switch-to-Phone Connections Cisco IP Phone 7960 Catalyst switch ...Cisco IP Phone to transmit voice traffic to a phone. Packets to and from the PC and to and from the PC that are configured for connecting a phone would have separate VLANs that are connected to the same port. • Data traffic present on the VLAN supporting phones might not be used to the switch...
...Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Enter the set of IP addresses. Configuring Auxiliary VLANs Chapter 10 Configuring VLANs Figure 10-2 Switch-to-Phone Connections Cisco IP Phone 7960 Catalyst switch ...Cisco IP Phone to transmit voice traffic to a phone. Packets to and from the PC and to and from the PC that are configured for connecting a phone would have separate VLANs that are connected to the same port. • Data traffic present on the VLAN supporting phones might not be used to the switch...
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...New Software Features in Release 7.7 extended VLAN support with VTP version 3 10-3, 10-4, 10-6, 10-9 NFFC/NFFC II IGMP snooping and 15-4 protocol filtering and 19-1 NMS SPAN, configuring 26-1 nonvolatile random-access memory See NVRAM normal mode, switch CLI 2-3 normal-range VLANs See VLANs NTP clearing time zone 39-7 configuring... content at boot 32-6 setting configuration modes 34-2 O organization, document xxiii out-of-band management interface See me1 interface IN-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01
...New Software Features in Release 7.7 extended VLAN support with VTP version 3 10-3, 10-4, 10-6, 10-9 NFFC/NFFC II IGMP snooping and 15-4 protocol filtering and 19-1 NMS SPAN, configuring 26-1 nonvolatile random-access memory See NVRAM normal mode, switch CLI 2-3 normal-range VLANs See VLANs NTP clearing time zone 39-7 configuring... content at boot 32-6 setting configuration modes 34-2 O organization, document xxiii out-of-band management interface See me1 interface IN-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01