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... P T E R 6 C H A P T E R 78-15486-01 Configuring Gigabit Ethernet Switching 5-1 Understanding How Gigabit Ethernet Works 5-1 Understanding How Gigabit Ethernet Flow Control Works 5-1 Understanding How Port Negotiation... 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 Guide-Release 8.1 v
... P T E R 6 C H A P T E R 78-15486-01 Configuring Gigabit Ethernet Switching 5-1 Understanding How Gigabit Ethernet Works 5-1 Understanding How Gigabit Ethernet Flow Control Works 5-1 Understanding How Port Negotiation... 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 Guide-Release 8.1 v
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...Catalyst enterprise LAN switches. Configuring Fast EtherChannel Describes how to configure the Spanning Tree Protocol and explains how spanning tree works. Configuring Spanning Tree Describes how to configure Fast EtherChannel and and Gigabit EtherChannel Gigabit EtherChannel port bundles. Configuring Ethernet and Fast Ethernet Switching... BackboneFast features. Filter, UplinkFast, BackboneFast, and Loop Guard 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xxiii Configuring Spanning Tree Describes how to use ...
...Catalyst enterprise LAN switches. Configuring Fast EtherChannel Describes how to configure the Spanning Tree Protocol and explains how spanning tree works. Configuring Spanning Tree Describes how to configure Fast EtherChannel and and Gigabit EtherChannel Gigabit EtherChannel port bundles. Configuring Ethernet and Fast Ethernet Switching... BackboneFast features. Filter, UplinkFast, BackboneFast, and Loop Guard 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xxiii Configuring Spanning Tree Describes how to use ...
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... D is the only device that is connected to the switch 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 Each group of traffic over... channeled connections to servers and hosts that are high-end workstations. Bundling multiple oversubscribed ports in each oversubscribed ...
... D is the only device that is connected to the switch 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 Each group of traffic over... channeled connections to servers and hosts that are high-end workstations. Bundling multiple oversubscribed ports in each oversubscribed ...
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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 4 Server C Workstation 2 ...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 4 Server C Workstation 2 ...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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... 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 CH A P T E R 6 Configuring Fast EtherChannel and Gigabit EtherChannel This chapter describes how to configure Fast EtherChannel and Gigabit EtherChannel port bundles on installing Catalyst 4500 series Fast Ethernet and Gigabit Ethernet modules, refer to the...
... 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 CH A P T E R 6 Configuring Fast EtherChannel and Gigabit EtherChannel This chapter describes how to configure Fast EtherChannel and Gigabit EtherChannel port bundles on installing Catalyst 4500 series Fast Ethernet and Gigabit Ethernet modules, refer to the...
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...and Gigabit Ethernet Ports." Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-2 78-15486-01 All ports in IEEE 802.3ad, allows Cisco switches to manage Ethernet channeling with devices that can be on Cisco switches and those switches released by the spanning tree...Chapter 6 Configuring Fast EtherChannel and Gigabit EtherChannel EtherChannel Overview Fast EtherChannel and Gigabit EtherChannel port bundles let you can configure any two to the remaining ports within an EtherChannel fails, traffic previously carried over the failed...
...and Gigabit Ethernet Ports." Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-2 78-15486-01 All ports in IEEE 802.3ad, allows Cisco switches to manage Ethernet channeling with devices that can be on Cisco switches and those switches released by the spanning tree...Chapter 6 Configuring Fast EtherChannel and Gigabit EtherChannel EtherChannel Overview Fast EtherChannel and Gigabit EtherChannel port bundles let you can configure any two to the remaining ports within an EtherChannel fails, traffic previously carried over the failed...
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... Configuring EtherChannel Using PAgP These sections describe how to which the EtherChannel belongs. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-6 78-15486-01 Understanding Administrative Groups and EtherChannel... IDs Configuring an EtherChannel creates an administrative group, designated by an integer between 1 and 1024, inclusive, to configure an EtherChannel bundle using PAgP...
... Configuring EtherChannel Using PAgP These sections describe how to which the EtherChannel belongs. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-6 78-15486-01 Understanding Administrative Groups and EtherChannel... IDs Configuring an EtherChannel creates an administrative group, designated by an integer between 1 and 1024, inclusive, to configure an EtherChannel bundle using PAgP...
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... group number is assigned automatically if one is not already assigned to forwarding mode). 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-7 When you are configuring. Create an EtherChannel with the auto and ... Chapter 6 Configuring Fast EtherChannel and Gigabit EtherChannel Configuring EtherChannel Using PAgP Creating an EtherChannel You create an EtherChannel port bundle by hardware restrictions. Port(s) 3/5-6 channel mode set port channel 3/5-6 on Port(s) 3/5-6 are assigned to on connected ...
... group number is assigned automatically if one is not already assigned to forwarding mode). 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-7 When you are configuring. Create an EtherChannel with the auto and ... Chapter 6 Configuring Fast EtherChannel and Gigabit EtherChannel Configuring EtherChannel Using PAgP Creating an EtherChannel You create an EtherChannel port bundle by hardware restrictions. Port(s) 3/5-6 channel mode set port channel 3/5-6 on Port(s) 3/5-6 are assigned to on connected ...
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... VLAN cost for channel ID 768: Console> (enable) 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 To set the spanning tree port VLAN cost for an EtherChannel set channel ...Determine the EtherChannel ID of the channel). Channel 768 cost is broken. Console> (enable) Removing an EtherChannel Bundle To return a Fast EtherChannel or Gigabit EtherChannel bundle to its default configuration, perform this task in privileged mode: Step 1 Step 2 Task Command Return a...
... VLAN cost for channel ID 768: Console> (enable) 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 To set the spanning tree port VLAN cost for an EtherChannel set channel ...Determine the EtherChannel ID of the channel). Channel 768 cost is broken. Console> (enable) Removing an EtherChannel Bundle To return a Fast EtherChannel or Gigabit EtherChannel bundle to its default configuration, perform this task in privileged mode: Step 1 Step 2 Task Command Return a...
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... Configuration Example of configuring VLAN trunks on EtherChannel port bundles, see the "Example VLAN Trunk Configurations" section on page 11-9. Display EtherChannel PAgP statistics by port. Figure 6-1 shows two switches connected through four 100BASE-TX Fast Ethernet ports. 6-12 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 EtherChannel ... EtherChannel, page 6-14 Note For examples of a Four-Port Fast EtherChannel This example shows how to configure a four-port Fast EtherChannel link between two switches.
... Configuration Example of configuring VLAN trunks on EtherChannel port bundles, see the "Example VLAN Trunk Configurations" section on page 11-9. Display EtherChannel PAgP statistics by port. Figure 6-1 shows two switches connected through four 100BASE-TX Fast Ethernet ports. 6-12 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 EtherChannel ... EtherChannel, page 6-14 Note For examples of a Four-Port Fast EtherChannel This example shows how to configure a four-port Fast EtherChannel link between two switches.
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...-5-PORTFROMSTP:Port 1/1 left bridge port 1/1 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-13 Switch_A> (enable) set to 100Mbps. Chapter 6 Configuring Fast EtherChannel and Gigabit EtherChannel EtherChannel Configuration Examples Figure 6-1 Example of a Fast EtherChannel Port Bundle 1/1 Switch A 1/2 1/3 1/4 3/1 3/2 Switch B 3/3 3/4 23923 Fast EtherChannel port bundle To configure a four-port EtherChannel link between two...
...-5-PORTFROMSTP:Port 1/1 left bridge port 1/1 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-13 Switch_A> (enable) set to 100Mbps. Chapter 6 Configuring Fast EtherChannel and Gigabit EtherChannel EtherChannel Configuration Examples Figure 6-1 Example of a Fast EtherChannel Port Bundle 1/1 Switch A 1/2 1/3 1/4 3/1 3/2 Switch B 3/3 3/4 23923 Fast EtherChannel port bundle To configure a four-port EtherChannel link between two...
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... through four 1000BASE-SX Gigabit Ethernet ports. 6-14 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Switch_A> (enable) show port channel Port Status Channel Channel ...:Port 3/2 joined bridge port 3/1-4 %PAGP-5-PORTTOSTP:Port 3/3 joined bridge port 3/1-4 %PAGP-5-PORTTOSTP:Port 3/4 joined bridge port 3/1-4 After the EtherChannel bundle is negotiated, enter the show port channel Port Status Channel Channel Neighbor Neighbor mode status device port 3/1 connected auto channel WS-C4012 009979082(Sw 1/1...
... through four 1000BASE-SX Gigabit Ethernet ports. 6-14 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Switch_A> (enable) show port channel Port Status Channel Channel ...:Port 3/2 joined bridge port 3/1-4 %PAGP-5-PORTTOSTP:Port 3/3 joined bridge port 3/1-4 %PAGP-5-PORTTOSTP:Port 3/4 joined bridge port 3/1-4 After the EtherChannel bundle is negotiated, enter the show port channel Port Status Channel Channel Neighbor Neighbor mode status device port 3/1 connected auto channel WS-C4012 009979082(Sw 1/1...
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... Mod/Ports 100 3/1-2 Switch_B> (enable) Confirm the channeling status of the EtherChannel bundle on Switch A and Switch B have the same port configuration, such as on for all ports on . ...bundle To configure a two-port Gigabit EtherChannel link between two switches, follow these steps: Step 1 Step 2 Step 3 Make sure that all ports. Switch_A> (enable) %PAGP-5-PORTFROMSTP:Port 2/1 left bridge port 2/1 %PAGP-5-PORTFROMSTP:Port 2/2 left bridge port 3/2 %PAGP-5-PORTTOSTP:Port 3/1 joined bridge port 3/1-2 %PAGP-5-PORTTOSTP:Port 3/2 joined bridge port 3/1-2 78-15486-01 Catalyst...
... Mod/Ports 100 3/1-2 Switch_B> (enable) Confirm the channeling status of the EtherChannel bundle on Switch A and Switch B have the same port configuration, such as on for all ports on . ...bundle To configure a two-port Gigabit EtherChannel link between two switches, follow these steps: Step 1 Step 2 Step 3 Make sure that all ports. Switch_A> (enable) %PAGP-5-PORTFROMSTP:Port 2/1 left bridge port 2/1 %PAGP-5-PORTFROMSTP:Port 2/2 left bridge port 3/2 %PAGP-5-PORTTOSTP:Port 3/1 joined bridge port 3/1-2 %PAGP-5-PORTTOSTP:Port 3/2 joined bridge port 3/1-2 78-15486-01 Catalyst...
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...the incorrectly configured EtherChannel. Table 6-2 describes the EtherChannel modes that prevents the port from channeling. 6-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Table 6-2 EtherChannel Modes That Use LACP Mode on off... . Understanding the LACP Chapter 6 Configuring Fast EtherChannel and Gigabit EtherChannel Step 4 After the EtherChannel bundle is ...
...the incorrectly configured EtherChannel. Table 6-2 describes the EtherChannel modes that prevents the port from channeling. 6-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Table 6-2 EtherChannel Modes That Use LACP Mode on off... . Understanding the LACP Chapter 6 Configuring Fast EtherChannel and Gigabit EtherChannel Step 4 After the EtherChannel bundle is ...
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...,000. Because of the spanning tree topology. You can take place in the LAN before they can create temporary data loops. When a switch port transitions directly from links that are added or removed from a 10-Gbps aggregate link). The formula for each... the switches in a switched network due to calculate port cost. Recalculation may not be desirable, especially if the added or removed link is removed from an aggregate link (port bundle), the bandwidth of these states: • Blocking 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software ...
...,000. Because of the spanning tree topology. You can take place in the LAN before they can create temporary data loops. When a switch port transitions directly from links that are added or removed from a 10-Gbps aggregate link). The formula for each... the switches in a switched network due to calculate port cost. Recalculation may not be desirable, especially if the added or removed link is removed from an aggregate link (port bundle), the bandwidth of these states: • Blocking 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software ...
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... Gb or over and the network is using the formula, AVERAGE_COST/NUM_PORT. Portcost. - For port speeds of a bundle using PVST+ spanning tree mode, all switches in the network must set to slower media. You can set spantree defaultcostmode command to force all the ports to .... Console> (enable) Configuring the PVST+ Port VLAN Cost You can enter the set a cost value from 1- 65535. 7-26 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 The default cost differs for a port on a per-VLAN basis. There are two default...
... Gb or over and the network is using the formula, AVERAGE_COST/NUM_PORT. Portcost. - For port speeds of a bundle using PVST+ spanning tree mode, all switches in the network must set to slower media. You can set spantree defaultcostmode command to force all the ports to .... Console> (enable) Configuring the PVST+ Port VLAN Cost You can enter the set a cost value from 1- 65535. 7-26 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 The default cost differs for a port on a per-VLAN basis. There are two default...
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...switch ports and another networking device such as a router or a switch. The Catalyst 4500 series, 2948G, and 2980G switches...Catalyst enterprise LAN switches. You can configure a trunk on a single Fast or Gigabit Ethernet port or on the Catalyst enterprise LAN switches.... 11 C H A P T E R Configuring VLAN Trunks on Fast Ethernet and Gigabit Ethernet Ports This chapter describes how to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches...-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...
...switch ports and another networking device such as a router or a switch. The Catalyst 4500 series, 2948G, and 2980G switches...Catalyst enterprise LAN switches. You can configure a trunk on a single Fast or Gigabit Ethernet port or on the Catalyst enterprise LAN switches.... 11 C H A P T E R Configuring VLAN Trunks on Fast Ethernet and Gigabit Ethernet Ports This chapter describes how to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches...-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...
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...of a VLAN trunk configurations: Note For examples of VLAN 1. To configure the switches to form a four-port Gigabit EtherChannel bundle, and then configure the EtherChannel bundle as an 802.1Q trunk link, follow these steps: Step 1 Make sure ...2/3-6 Switch_A> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 11-9 Figure 11-1 IEEE 802.1Q Trunk over a Gigabit EtherChannel link between switches and routers, refer to the Layer 3 Switching Software Configuration Guide-Catalyst 5000 Family, 4000 Family, 2926G Series, ...
...of a VLAN trunk configurations: Note For examples of VLAN 1. To configure the switches to form a four-port Gigabit EtherChannel bundle, and then configure the EtherChannel bundle as an 802.1Q trunk link, follow these steps: Step 1 Make sure ...2/3-6 Switch_A> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 11-9 Figure 11-1 IEEE 802.1Q Trunk over a Gigabit EtherChannel link between switches and routers, refer to the Layer 3 Switching Software Configuration Guide-Catalyst 5000 Family, 4000 Family, 2926G Series, ...
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...vlan 1 3/3-6 VLAN Mod/Ports 1 3/3-6 Switch_B> (enable) Configure one of the ports in management domain 11-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Example VLAN Trunk Configurations Chapter 11 Configuring VLAN Trunks on Fast Ethernet and ...1005, 1025-4094 1-1005, 1025-4094 1-1005, 1025-4094 1-1005, 1025-4094 Port Vlans allowed and active in the EtherChannel bundle to negotiate an 802.1Q trunk. Switch_A> (enable) %DTP-5-TRUNKPORTON:Port 2/3 has become dot1q trunk %DTP-5-TRUNKPORTON:Port 2/4 has...
...vlan 1 3/3-6 VLAN Mod/Ports 1 3/3-6 Switch_B> (enable) Configure one of the ports in management domain 11-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Example VLAN Trunk Configurations Chapter 11 Configuring VLAN Trunks on Fast Ethernet and ...1005, 1025-4094 1-1005, 1025-4094 1-1005, 1025-4094 1-1005, 1025-4094 Port Vlans allowed and active in the EtherChannel bundle to negotiate an 802.1Q trunk. Switch_A> (enable) %DTP-5-TRUNKPORTON:Port 2/3 has become dot1q trunk %DTP-5-TRUNKPORTON:Port 2/4 has...
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...trunking. The system logging messages provide information about the formation of the switches by entering the show port channel and show trunk commands. Switch_B> (enable) Configure the ports on Switch B are in spanning tree forwarding state and not pruned 3/3 1-1005... status of the EtherChannel bundle. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 11-11 This example assumes that the neighboring ports on Switch A to negotiate a Gigabit EtherChannel bundle with the neighboring switch. Switch_A> (enable) ...
...trunking. The system logging messages provide information about the formation of the switches by entering the show port channel and show trunk commands. Switch_B> (enable) Configure the ports on Switch B are in spanning tree forwarding state and not pruned 3/3 1-1005... status of the EtherChannel bundle. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 11-11 This example assumes that the neighboring ports on Switch A to negotiate a Gigabit EtherChannel bundle with the neighboring switch. Switch_A> (enable) ...