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...MANUAL, EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. and certain other company. (0304R) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide Copyright © 2000-2003, Cisco Systems, Inc. ... and Aironet, ASIST, BPX, Catalyst, CCDA, CCDP, CCIE, CCNA, CCNP, Cisco, the Cisco Certified Internetwork Expert logo, Cisco IOS, the Cisco IOS logo, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Empowering the Internet Generation, Enterprise/Solver, EtherChannel, EtherSwitch, Fast Step, GigaStack,...
...MANUAL, EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. and certain other company. (0304R) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide Copyright © 2000-2003, Cisco Systems, Inc. ... and Aironet, ASIST, BPX, Catalyst, CCDA, CCDP, CCIE, CCNA, CCNP, Cisco, the Cisco Certified Internetwork Expert logo, Cisco IOS, the Cisco IOS logo, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Empowering the Internet Generation, Enterprise/Solver, EtherChannel, EtherSwitch, Fast Step, GigaStack,...
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... Administrative Groups and EtherChannel IDs 6-6 Configuring EtherChannel Using PAgP 6-6 Creating an EtherChannel 6-7 Defining an EtherChannel Administrative Group 6-7 Setting the EtherChannel Spanning Tree Port Cost 6-8 Setting the EtherChannel Spanning Tree 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 Software Configuration...
... Administrative Groups and EtherChannel IDs 6-6 Configuring EtherChannel Using PAgP 6-6 Creating an EtherChannel 6-7 Defining an EtherChannel Administrative Group 6-7 Setting the EtherChannel Spanning Tree Port Cost 6-8 Setting the EtherChannel Spanning Tree 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 Software Configuration...
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... LACP Statistics 6-21 Displaying EtherChannel Traffic Utilization 6-21 Disabling an EtherChannel 6-22 Displaying Spanning Tree-Related Information for EtherChannels 6-22 7 C H A P T E R Configuring Spanning Tree 7-1 Understanding How STPs Work 7-2 Understanding How a Topology Is Created 7-2 Understanding How a Switch or Port Becomes the Root Switch or Root Port 7-3 Understanding...-to-SST Interoperability 7-17 Common Spanning Tree 7-18 MST Instances 7-18 MST Configuration 7-18 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 vi 78-15486-01
... LACP Statistics 6-21 Displaying EtherChannel Traffic Utilization 6-21 Disabling an EtherChannel 6-22 Displaying Spanning Tree-Related Information for EtherChannels 6-22 7 C H A P T E R Configuring Spanning Tree 7-1 Understanding How STPs Work 7-2 Understanding How a Topology Is Created 7-2 Understanding How a Switch or Port Becomes the Root Switch or Root Port 7-3 Understanding...-to-SST Interoperability 7-17 Common Spanning Tree 7-18 MST Instances 7-18 MST Configuration 7-18 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 vi 78-15486-01
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...on a Trunk 11-6 Disabling a Trunk Port 11-7 Disabling VLAN 1 on a Trunk Link 11-8 Example VLAN Trunk Configurations 11-9 802.1Q Trunk over a Gigabit EtherChannel Link Example 11-9 Load-Sharing VLAN Traffic over Parallel Trunks Example 11-13 802.1Q Nonegotiate Trunk Configuration Example 11-19 Configuring Dynamic VLAN Membership... 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
...on a Trunk 11-6 Disabling a Trunk Port 11-7 Disabling VLAN 1 on a Trunk Link 11-8 Example VLAN Trunk Configurations 11-9 802.1Q Trunk over a Gigabit EtherChannel Link Example 11-9 Load-Sharing VLAN Traffic over Parallel Trunks Example 11-13 802.1Q Nonegotiate Trunk Configuration Example 11-19 Configuring Dynamic VLAN Membership... 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
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... how to configure Ethernet and Fast Ethernet switching on the switch. Configuring Fast EtherChannel Describes how to configure the Spanning Tree Protocol and explains how spanning tree works. Configuring Spanning Tree Describes how to perform a baseline configuration of the Catalyst enterprise LAN switches. Configuring Gigabit Ethernet Switching Describes how to use the different command-line interfaces...
... how to configure Ethernet and Fast Ethernet switching on the switch. Configuring Fast EtherChannel Describes how to configure the Spanning Tree Protocol and explains how spanning tree works. Configuring Spanning Tree Describes how to perform a baseline configuration of the Catalyst enterprise LAN switches. Configuring Gigabit Ethernet Switching Describes how to use the different command-line interfaces...
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... Names You can assign names to the ports on Ethernet and Fast Ethernet modules 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...-Mbps Fast Ethernet ports • Port cost of 19 for 100-Mbps Fast Ethernet ports Disabled on configuring Fast EtherChannel, see Chapter 6, "Configuring Fast EtherChannel and Gigabit EtherChannel." To assign a name to a port, perform this task in privileged mode: Step 1 Step 2 Task Assign a ...
... Names You can assign names to the ports on Ethernet and Fast Ethernet modules 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...-Mbps Fast Ethernet ports • Port cost of 19 for 100-Mbps Fast Ethernet ports Disabled on configuring Fast EtherChannel, see Chapter 6, "Configuring Fast EtherChannel and Gigabit EtherChannel." To assign a name to a port, perform this task in privileged mode: Step 1 Step 2 Task Assign a ...
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... negotiation is used to the local Gigabit EtherChannel module port. 2. Understanding How Oversubscribed Gigabit Ethernet Works The Catalyst 4500 series Gigabit Ethernet modules provide a...possible blocking). 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-3 Chapter 5 Configuring Gigabit Ethernet Switching Understanding How Gigabit Ethernet Works ...control parameters, remote fault information, and duplex information (even though Cisco Gigabit Ethernet ports only support full-duplex mode). The following modules ...
... negotiation is used to the local Gigabit EtherChannel module port. 2. Understanding How Oversubscribed Gigabit Ethernet Works The Catalyst 4500 series Gigabit Ethernet modules provide a...possible blocking). 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-3 Chapter 5 Configuring Gigabit Ethernet Switching Understanding How Gigabit Ethernet Works ...control parameters, remote fault information, and duplex information (even though Cisco Gigabit Ethernet ports only support full-duplex mode). The following modules ...
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... while maintaining an average of four or eight oversubscribed ports has a buffer for incoming frames to allow connected devices to the switch through a four-port Gigabit EtherChannel trunk link. Table 5-8 Oversubscribed Port Groupings for Module WS-X4448-GB-RJ45 1, 2, 3, 4, 5, 6, 9, 10, ... the full 1-Gbps bandwidth. • Workstations 1 through a two-port Gigabit EtherChannel trunk link providing 2-Gbps bandwidth. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-5 We do not recommend connecting these ports to channel...
... while maintaining an average of four or eight oversubscribed ports has a buffer for incoming frames to allow connected devices to the switch through a four-port Gigabit EtherChannel trunk link. Table 5-8 Oversubscribed Port Groupings for Module WS-X4448-GB-RJ45 1, 2, 3, 4, 5, 6, 9, 10, ... the full 1-Gbps bandwidth. • Workstations 1 through a two-port Gigabit EtherChannel trunk link providing 2-Gbps bandwidth. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-5 We do not recommend connecting these ports to channel...
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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 ASSEMBLY CONTAINS ELECTROSTATICSENSITIVE DEVICES 0% 100% 18069 Gigabit EtherChannel bundles Server A Server B Workstation 1 Workstation 3 Server D Workstation ... VLAN 1 Spanning tree port cost 4 Gigabit EtherChannel Disabled on 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 ASSEMBLY CONTAINS ELECTROSTATICSENSITIVE DEVICES 0% 100% 18069 Gigabit EtherChannel bundles Server A Server B Workstation 1 Workstation 3 Server D Workstation ... VLAN 1 Spanning tree port cost 4 Gigabit EtherChannel Disabled on 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
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... describe how to determine the order in privileged mode: Step 1 Step 2 Task Assign a name to facilitate switch administration. Note For information on the Catalyst enterprise LAN switches. Console> (enable) show port [mod_num[/port_num]] This example shows how to assign the name for each port...enable) set port name 2/1 Backbone Connection Port 2/1 name set . When two ports simultaneously request access to the switching bus, the switch uses the priority level to configure Gigabit Ethernet switching ports on configuring Gigabit EtherChannel, see Chapter 6, "Configuring Fast...
... describe how to determine the order in privileged mode: Step 1 Step 2 Task Assign a name to facilitate switch administration. Note For information on the Catalyst enterprise LAN switches. Console> (enable) show port [mod_num[/port_num]] This example shows how to assign the name for each port...enable) set port name 2/1 Backbone Connection Port 2/1 name set . When two ports simultaneously request access to the switching bus, the switch uses the priority level to configure Gigabit Ethernet switching ports on configuring Gigabit EtherChannel, see Chapter 6, "Configuring Fast...
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... Gigabit Ethernet modules, refer to configure Fast EtherChannel and Gigabit EtherChannel port bundles on switching modules and fixed-configuration switches, as well as to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. Note For complete syntax and usage information for EtherChannel, page 6-2 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-1 The configuration...
... Gigabit Ethernet modules, refer to configure Fast EtherChannel and Gigabit EtherChannel port bundles on switching modules and fixed-configuration switches, as well as to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. Note For complete syntax and usage information for EtherChannel, page 6-2 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-1 The configuration...
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... module. PAgP is a Cisco-proprietary protocol that conform to the remaining ports within an EtherChannel fails, traffic previously carried over the failed port switches to the 802.3ad specification. Note MAC address notification settings are ignored on the Catalyst 4500 series switches, you can be the same speed. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...
... module. PAgP is a Cisco-proprietary protocol that conform to the remaining ports within an EtherChannel fails, traffic previously carried over the failed port switches to the 802.3ad specification. Note MAC address notification settings are ignored on the Catalyst 4500 series switches, you can be the same speed. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...
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...is actively sending and receiving traffic with different port path costs, set the channel mode to full duplex. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-3 If the port is part of a channel must use the same protocol; Guidelines for ... ports are down . • LACP does not support half-duplex links. the show commands do not have a maximum of an EtherChannel. • PAgP and LACP manage channels differently. both PAgP and LACP. the show commands continue to be configured manually, with PAgP...
...is actively sending and receiving traffic with different port path costs, set the channel mode to full duplex. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-3 If the port is part of a channel must use the same protocol; Guidelines for ... ports are down . • LACP does not support half-duplex links. the show commands do not have a maximum of an EtherChannel. • PAgP and LACP manage channels differently. both PAgP and LACP. the show commands continue to be configured manually, with PAgP...
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..., you must set differently on the ports. • Cisco Discovery Protocol (CDP) runs on the physical port even after the port is enabled. Note With software release 6.3(1) and later releases, a PAgP-configured EtherChannel is used . Doing so can have different GARP VLAN...added it contains only one of VLANs on all the ports in the EtherChannel. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-4 78-15486-01 No other features: • An EtherChannel will not form with different VLAN costs or VLAN configurations cannot form a ...
..., you must set differently on the ports. • Cisco Discovery Protocol (CDP) runs on the physical port even after the port is enabled. Note With software release 6.3(1) and later releases, a PAgP-configured EtherChannel is used . Doing so can have different GARP VLAN...added it contains only one of VLANs on all the ports in the EtherChannel. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-4 78-15486-01 No other features: • An EtherChannel will not form with different VLAN costs or VLAN configurations cannot form a ...
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... the auto and desirable modes allow ports to negotiate with the silent and non-silent keywords. Chapter 6 Configuring Fast EtherChannel and Gigabit EtherChannel Understanding the PAgP Understanding the PAgP Use the information in the following sections if you are connecting to a "silent .... Prevents the port from returning on any other mode, the peer port is placed in on . 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-5 In any other traffic. Table 6-1 describes each mode. The channel is a traffic ...
... the auto and desirable modes allow ports to negotiate with the silent and non-silent keywords. Chapter 6 Configuring Fast EtherChannel and Gigabit EtherChannel Understanding the PAgP Understanding the PAgP Use the information in the following sections if you are connecting to a "silent .... Prevents the port from returning on any other mode, the peer port is placed in on . 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-5 In any other traffic. Table 6-1 describes each mode. The channel is a traffic ...
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... group number manually or let the system software assign the next available administrative group number automatically. You can change if the EtherChannel is torn down and renegotiated, or if the switch is reset or power cycled. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-6 78-15486-01 In addition to display the...
... group number manually or let the system software assign the next available administrative group number automatically. You can change if the EtherChannel is torn down and renegotiated, or if the switch is reset or power cycled. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-6 78-15486-01 In addition to display the...
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... be removed from and then added to spanning tree (that are allowed to forwarding mode). 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-7 Command show port capabilities [mod_num[/port_num]] set port channel port_list [admin_group] ...is defined automatically. The silent and non-silent keywords function only with the desired ports. Verify the EtherChannel configuration. Caution Modifying the EtherChannel administrative group on 57 835 Port Device-ID Port-ID Platform 3/5 069003103(5500) 3/5 WS-C4000 ...
... be removed from and then added to spanning tree (that are allowed to forwarding mode). 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-7 Command show port capabilities [mod_num[/port_num]] set port channel port_list [admin_group] ...is defined automatically. The silent and non-silent keywords function only with the desired ports. Verify the EtherChannel configuration. Caution Modifying the EtherChannel administrative group on 57 835 Port Device-ID Port-ID Platform 3/5 069003103(5500) 3/5 WS-C4000 ...
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...50 Port(s) 3/5-6 are assigned to an administrative group and verify the configuration: Console> (enable) set the EtherChannel port path cost for channel ID 768: Console> (enable) show channel group 20 Admin Port Status Channel ...-C6009 Console> (enable) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-8 78-15486-01 Verify the administrative group configuration. Configuring EtherChannel Using PAgP Chapter 6 Configuring Fast EtherChannel and Gigabit EtherChannel To define an EtherChannel administrative group, perform this task...
...50 Port(s) 3/5-6 are assigned to an administrative group and verify the configuration: Console> (enable) set the EtherChannel port path cost for channel ID 768: Console> (enable) show channel group 20 Admin Port Status Channel ...-C6009 Console> (enable) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-8 78-15486-01 Verify the administrative group configuration. Configuring EtherChannel Using PAgP Chapter 6 Configuring Fast EtherChannel and Gigabit EtherChannel To define an EtherChannel administrative group, perform this task...
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... provides an alternate cost for show port channel [mod_num[/port_num]] 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-9 show channel group admin_group which you set the spanning tree port VLAN cost for an EtherChannel, perform this task on 768 Admin Port Device-ID Port-ID Platform group 20...
... provides an alternate cost for show port channel [mod_num[/port_num]] 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-9 show channel group admin_group which you set the spanning tree port VLAN cost for an EtherChannel, perform this task on 768 Admin Port Device-ID Port-ID Platform group 20...
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... | trunk | protocol | gmrp | gvrp | qos] This example shows how to auto. Display EtherChannel configuration information by EtherChannel administrative group. Console> (enable) show port channel info Switch Frame Distribution Method: mac both Port Status Channel Admin Channel Speed Duplex Vlan mode group id 3/5 connected...-type Trunk-vlans 3/5 not-trunking negotiate 1-1005 3/6 not-trunking negotiate 1-1005 Port Portvlancost-vlans 3/5 3/6 6-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01
... | trunk | protocol | gmrp | gvrp | qos] This example shows how to auto. Display EtherChannel configuration information by EtherChannel administrative group. Console> (enable) show port channel info Switch Frame Distribution Method: mac both Port Status Channel Admin Channel Speed Duplex Vlan mode group id 3/5 connected...-type Trunk-vlans 3/5 not-trunking negotiate 1-1005 3/6 not-trunking negotiate 1-1005 Port Portvlancost-vlans 3/5 3/6 6-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01