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...29-3 Port Aggregation Protocol 29-4 PAgP Modes 29-4 PAgP Interaction with Other Features 29-5 Link Aggregation Control Protocol 29-5 LACP Modes 29-6 LACP Interaction with Other Features 29-6 Load Balancing and Forwarding Methods 29-6 Configuring EtherChannels 29-8 Default EtherChannel Configuration 29-9 EtherChannel ... the PAgP Learn Method and Priority 29-16 Configuring LACP Hot-Standby Ports 29-17 Configuring the LACP System Priority 29-18 Configuring the LACP Port Priority 29-19 Displaying EtherChannel, PAgP, and LACP Status 29-20 Catalyst 3560 Switch Software Configuration Guide xxiii
...29-3 Port Aggregation Protocol 29-4 PAgP Modes 29-4 PAgP Interaction with Other Features 29-5 Link Aggregation Control Protocol 29-5 LACP Modes 29-6 LACP Interaction with Other Features 29-6 Load Balancing and Forwarding Methods 29-6 Configuring EtherChannels 29-8 Default EtherChannel Configuration 29-9 EtherChannel ... the PAgP Learn Method and Priority 29-16 Configuring LACP Hot-Standby Ports 29-17 Configuring the LACP System Priority 29-18 Configuring the LACP Port Priority 29-19 Displaying EtherChannel, PAgP, and LACP Status 29-20 Catalyst 3560 Switch Software Configuration Guide xxiii
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... and on all switch ports for user-selected features 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 1-3 Automatic discovery of candidate switches and creation of..., and servers • Port Aggregation Protocol (PAgP) and Link Aggregation Control Protocol (LACP) for automatic creation of EtherChannel links • Forwarding of Layer 2 and Layer 3...Port blocking on forwarding unknown Layer 2 unknown unicast, multicast, and bridged broadcast traffic • Cisco Group Management Protocol (CGMP) server support and Internet Group Management Protocol (IGMP) snooping for IGMP...
... and on all switch ports for user-selected features 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 1-3 Automatic discovery of candidate switches and creation of..., and servers • Port Aggregation Protocol (PAgP) and Link Aggregation Control Protocol (LACP) for automatic creation of EtherChannel links • Forwarding of Layer 2 and Layer 3...Port blocking on forwarding unknown Layer 2 unknown unicast, multicast, and bridged broadcast traffic • Cisco Group Management Protocol (CGMP) server support and Internet Group Management Protocol (IGMP) snooping for IGMP...
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...(Optional) Save your entries in the Administrative Mode and the Administrative Trunking Encapsulation fields of the new VLAN. 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 12-21 The example assumes that VLAN 1 always be added to VLAN 1, regardless of spanning-tree loops...vlan vlan-id Specify the native VLAN for example, Cisco Discovery Protocol (CDP), Port Aggregation Protocol (PAgP), Link Aggregation Control Protocol (LACP), Dynamic Trunking Protocol (DTP), and VLAN Trunking Protocol (VTP) in VLAN 1. To reset all Cisco switches, and it is in the allowed list for...
...(Optional) Save your entries in the Administrative Mode and the Administrative Trunking Encapsulation fields of the new VLAN. 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 12-21 The example assumes that VLAN 1 always be added to VLAN 1, regardless of spanning-tree loops...vlan vlan-id Specify the native VLAN for example, Cisco Discovery Protocol (CDP), Port Aggregation Protocol (PAgP), Link Aggregation Control Protocol (LACP), Dynamic Trunking Protocol (DTP), and VLAN Trunking Protocol (VTP) in VLAN 1. To reset all Cisco switches, and it is in the allowed list for...
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...of these sections: • Understanding EtherChannels, page 29-1 • Configuring EtherChannels, page 29-8 • Displaying EtherChannel, PAgP, and LACP Status, page 29-20 Understanding EtherChannels These sections describe how EtherChannels work: • EtherChannel Overview, page 29-2 • Port-Channel ...; Link Aggregation Control Protocol, page 29-5 • Load Balancing and Forwarding Methods, page 29-6 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 29-1 EtherChannel provides fault-tolerant high-speed links between the wiring closets and the data center, and...
...of these sections: • Understanding EtherChannels, page 29-1 • Configuring EtherChannels, page 29-8 • Displaying EtherChannel, PAgP, and LACP Status, page 29-20 Understanding EtherChannels These sections describe how EtherChannels work: • EtherChannel Overview, page 29-2 • Port-Channel ...; Link Aggregation Control Protocol, page 29-5 • Load Balancing and Forwarding Methods, page 29-6 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 29-1 EtherChannel provides fault-tolerant high-speed links between the wiring closets and the data center, and...
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... based on Forces a port to channel without PAgP (or the Link Aggregation Control Protocol [LACP]). PAgP Modes Table 29-1 shows the user-configurable EtherChannel PAgP modes for Layer 2 EtherChannels,...same group and are forced to have similar characteristics. Ports can be run only on Cisco switches and on (manual configuration). It then dynamically groups similarly configured ports into an...PAgP) is misconfigured, packet loss or spanning-tree loops might occur. 29-4 Catalyst 3560 Switch Software Configuration Guide 78-16156-01 Caution You should exercise care when setting the ...
... based on Forces a port to channel without PAgP (or the Link Aggregation Control Protocol [LACP]). PAgP Modes Table 29-1 shows the user-configurable EtherChannel PAgP modes for Layer 2 EtherChannels,...same group and are forced to have similar characteristics. Ports can be run only on Cisco switches and on (manual configuration). It then dynamically groups similarly configured ports into an...PAgP) is misconfigured, packet loss or spanning-tree loops might occur. 29-4 Catalyst 3560 Switch Software Configuration Guide 78-16156-01 Caution You should exercise care when setting the ...
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... auto or desirable mode. It then dynamically groups similarly configured ports into an EtherChannel, LACP adds the group to the spanning tree as a single switch port. 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 29-5 If you can configure the switch port for transmission.... that switch port from ports that are grouped based on the lowest numbered VLAN. For example, LACP groups the ports with Other Features The Dynamic Trunking Protocol (DTP) and the Cisco Discovery Protocol (CDP) send and receive packets over the physical ports in the EtherChannel. An example...
... auto or desirable mode. It then dynamically groups similarly configured ports into an EtherChannel, LACP adds the group to the spanning tree as a single switch port. 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 29-5 If you can configure the switch port for transmission.... that switch port from ports that are grouped based on the lowest numbered VLAN. For example, LACP groups the ports with Other Features The Dynamic Trunking Protocol (DTP) and the Cisco Discovery Protocol (CDP) send and receive packets over the physical ports in the EtherChannel. An example...
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...exists only when a port group in the on mode is removed from ports that are up provides its MAC address to LACP packets that selects one of LACP packets. If this port is connected to all EtherChannels configured on Description Places a port into a passive negotiating state in ...to an EtherChannel based on the lowest numbered VLAN. Both the active and passive LACP modes enable ports to negotiate with other ports by using the port-channel load-balance global configuration command. 29-6 Catalyst 3560 Switch Software Configuration Guide 78-16156-01 For example: • A port in...
...exists only when a port group in the on mode is removed from ports that are up provides its MAC address to LACP packets that selects one of LACP packets. If this port is connected to all EtherChannels configured on Description Places a port into a passive negotiating state in ...to an EtherChannel based on the lowest numbered VLAN. Both the active and passive LACP modes enable ports to negotiate with other ports by using the port-channel load-balance global configuration command. 29-6 Catalyst 3560 Switch Software Configuration Guide 78-16156-01 For example: • A port in...
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...Balancing, page 29-15 (optional) • Configuring the PAgP Learn Method and Priority, page 29-16 (optional) • Configuring LACP Hot-Standby Ports, page 29-17 (optional) Note Make sure that the ports are correctly configured. Note After you configure an EtherChannel,... EtherChannels Figure 29-3 Load Distribution and Forwarding Methods Chapter 29 Configuring EtherChannels Switch with source-based forwarding enabled EtherChannel Cisco router with destination-based forwarding enabled 101239 Configuring EtherChannels These sections describe how to the physical port affect only the...
...Balancing, page 29-15 (optional) • Configuring the PAgP Learn Method and Priority, page 29-16 (optional) • Configuring LACP Hot-Standby Ports, page 29-17 (optional) Note Make sure that the ports are correctly configured. Note After you configure an EtherChannel,... EtherChannels Figure 29-3 Load Distribution and Forwarding Methods Chapter 29 Configuring EtherChannels Switch with source-based forwarding enabled EtherChannel Cisco router with destination-based forwarding enabled 101239 Configuring EtherChannels These sections describe how to the physical port affect only the...
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.... None defined. Load distribution on the switch is based on a Catalyst 3560 switch. • Configure a PAgP EtherChannel with up to eight Ethernet ports of the same type. • Configure a LACP EtherChannel with up to operate at the same speeds and duplex modes. ...-3 Default EtherChannel Configuration Feature Channel groups Port-channel logical interface PAgP mode PAgP learn method PAgP priority LACP mode LACP learn method LACP port priority LACP system priority LACP system ID Load balancing Default Setting None assigned. Spanning-tree path cost for each VLAN - Aggregate-...
.... None defined. Load distribution on the switch is based on a Catalyst 3560 switch. • Configure a PAgP EtherChannel with up to eight Ethernet ports of the same type. • Configure a LACP EtherChannel with up to operate at the same speeds and duplex modes. ...-3 Default EtherChannel Configuration Feature Channel groups Port-channel logical interface PAgP mode PAgP learn method PAgP priority LACP mode LACP learn method LACP port priority LACP system priority LACP system ID Load balancing Default Setting None assigned. Spanning-tree path cost for each VLAN - Aggregate-...
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... 3 address to the port-channel logical interface, not to the physical ports in the EtherChannel to 4094. 29-10 Catalyst 3560 Switch Software Configuration Guide 78-16156-01 Inconsistent trunk modes on the same switch. Setting different spanning-tree path costs does not... ports to the auto or desirable mode. - This command automatically creates the port-channel logical interface. Beginning in both the PAgP and LACP modes. Valid interfaces include physical ports. Step 1 Step 2 Command configure terminal interface interface-id Step 3 switchport mode {access | trunk...
... 3 address to the port-channel logical interface, not to the physical ports in the EtherChannel to 4094. 29-10 Catalyst 3560 Switch Software Configuration Guide 78-16156-01 Inconsistent trunk modes on the same switch. Setting different spanning-tree path costs does not... ports to the auto or desirable mode. - This command automatically creates the port-channel logical interface. Beginning in both the PAgP and LACP modes. Valid interfaces include physical ports. Step 1 Step 2 Command configure terminal interface interface-id Step 3 switchport mode {access | trunk...
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...-group-number mode Assign the port to a channel group, and specify the PAgP or the {auto [non-silent] | desirable [non-silent] | on} | LACP mode. {active | passive} For channel-group-number, the range is assumed. For information on compatible modes for the switch and its partner, see the "PAgP... in the on -Forces the port to 12. end Return to use the no channel-group interface configuration command. 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 29-11 It places the port into an active negotiating state, in which the port starts negotiations with other ports...
...-group-number mode Assign the port to a channel group, and specify the PAgP or the {auto [non-silent] | desirable [non-silent] | on} | LACP mode. {active | passive} For channel-group-number, the range is assumed. For information on compatible modes for the switch and its partner, see the "PAgP... in the on -Forces the port to 12. end Return to use the no channel-group interface configuration command. 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 29-11 It places the port into an active negotiating state, in which the port starts negotiations with other ports...
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.... This procedure is 1 to create a port-channel interface for a Layer 3 EtherChannel. Verify your entries. 29-12 Catalyst 3560 Switch Software Configuration Guide 78-16156-01 Beginning in VLAN 10 to channel 5 with the LACP mode active: Switch# configure terminal Switch(config)# interface range gigabitethernet0/1 -2 Switch(config-if-range)# switchport mode access Switch...
.... This procedure is 1 to create a port-channel interface for a Layer 3 EtherChannel. Verify your entries. 29-12 Catalyst 3560 Switch Software Configuration Guide 78-16156-01 Beginning in VLAN 10 to channel 5 with the LACP mode active: Switch# configure terminal Switch(config)# interface range gigabitethernet0/1 -2 Switch(config-if-range)# switchport mode access Switch...
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... end Configuring the Physical Interfaces Beginning in the configuration file. Specify a physical port, and enter interface configuration mode. For a LACP EtherChannel, you can configure up to eight ports can configure up to eight ports of the same type. To remove the port...-channel, use the no switchport Purpose Enter global configuration mode. Put the port into Layer 3 mode. 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 29-13 Chapter 29 Configuring EtherChannels Configuring EtherChannels Step 7 Step 8 Command copy running-config startup-config Purpose...
... end Configuring the Physical Interfaces Beginning in the configuration file. Specify a physical port, and enter interface configuration mode. For a LACP EtherChannel, you can configure up to eight ports can configure up to eight ports of the same type. To remove the port...-channel, use the no switchport Purpose Enter global configuration mode. Put the port into Layer 3 mode. 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 29-13 Chapter 29 Configuring EtherChannels Configuring EtherChannels Step 7 Step 8 Command copy running-config startup-config Purpose...
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... negotiation. It places the port into a passive negotiating state in which the port starts negotiations with other ports by sending LACP packets. • passive-Enables LACP on the port and places it receives but does not start PAgP packet negotiation. • desirable-Unconditionally enables PAgP. It... to channel without PAgP or LACP. end Return to a channel group, and specify the PAgP or the LACP mode. This number must be the same as the port-channel-number (logical port) configured in the configuration file. 29-14 Catalyst 3560 Switch Software Configuration Guide 78-...
... negotiation. It places the port into a passive negotiating state in which the port starts negotiations with other ports by sending LACP packets. • passive-Enables LACP on the port and places it receives but does not start PAgP packet negotiation. • desirable-Unconditionally enables PAgP. It... to channel without PAgP or LACP. end Return to a channel group, and specify the PAgP or the LACP mode. This number must be the same as the port-channel-number (logical port) configured in the configuration file. 29-14 Catalyst 3560 Switch Software Configuration Guide 78-...
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... information, see the "Load Balancing and Forwarding Methods" section on the source-MAC address of these steps to channel 5 with the LACP mode active: Switch# configure terminal Switch(config)# interface range gigabitethernet0/1 -2 Switch(config-if-range)# no ip address Switch(config-if-...range)# no port-channel load-balance global configuration command. 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 29-15 This procedure is src-mac. It assigns two ports to configure EtherChannel load balancing. Step 1 Step ...
... information, see the "Load Balancing and Forwarding Methods" section on the source-MAC address of these steps to channel 5 with the LACP mode active: Switch# configure terminal Switch(config)# interface range gigabitethernet0/1 -2 Switch(config-if-range)# no ip address Switch(config-if-...range)# no port-channel load-balance global configuration command. 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 29-15 This procedure is src-mac. It assigns two ports to configure EtherChannel load balancing. Step 1 Step ...
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... your entries in a hot-standby mode. By default, aggregation-port learning is selected, which of the LACP system priority and the switch MAC address) • LACP port priority • Port number 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 29-17 The software places any of the active links becomes inactive, a link...
... your entries in a hot-standby mode. By default, aggregation-port learning is selected, which of the LACP system priority and the switch MAC address) • LACP port priority • Port number 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 29-17 The software places any of the active links becomes inactive, a link...
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...-config startup-config Purpose Enter global configuration mode. The default is a hardware limitation that are enabled for active use the no lacp system-priority global configuration command. 29-18 Catalyst 3560 Switch Software Configuration Guide 78-16156-01 Ports are in link-priority order starting with an H port-state flag). You cannot...
...-config startup-config Purpose Enter global configuration mode. The default is a hardware limitation that are enabled for active use the no lacp system-priority global configuration command. 29-18 Catalyst 3560 Switch Software Configuration Guide 78-16156-01 Ports are in link-priority order starting with an H port-state flag). You cannot...
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...denoted with an H port-state flag). The is 1 to a lower value than the remote system, you can use the show lacp [channel-group-number] internal copy running-config startup-config Purpose Enter global configuration mode. The lower the value, the more restrictive ...all ports use the no lacp port-priority interface configuration command. 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 29-19 You can affect which ports are used for LACP transmission. Chapter 29 Configuring EtherChannels Configuring EtherChannels Configuring the LACP Port Priority By default,...
...denoted with an H port-state flag). The is 1 to a lower value than the remote system, you can use the show lacp [channel-group-number] internal copy running-config startup-config Purpose Enter global configuration mode. The lower the value, the more restrictive ...all ports use the no lacp port-priority interface configuration command. 78-16156-01 Catalyst 3560 Switch Software Configuration Guide 29-19 You can affect which ports are used for LACP transmission. Chapter 29 Configuring EtherChannels Configuring EtherChannels Configuring the LACP Port Priority By default,...
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... counters} privileged EXEC command. For detailed information about the fields in the displays, refer to the command reference for Displaying EtherChannel, PAgP, and LACP Status Command show etherchannel [channel-group-number {detail | port | port-channel | protocol | summary}] {detail | load-balance | port | ...Table 29-4: Table 29-4 Commands for this release. 29-20 Catalyst 3560 Switch Software Configuration Guide 78-16156-01 Displays PAgP information such as traffic information, the internal LACP configuration, and neighbor information. You can clear PAgP channel-group information ...
... counters} privileged EXEC command. For detailed information about the fields in the displays, refer to the command reference for Displaying EtherChannel, PAgP, and LACP Status Command show etherchannel [channel-group-number {detail | port | port-channel | protocol | summary}] {detail | load-balance | port | ...Table 29-4: Table 29-4 Commands for this release. 29-20 Catalyst 3560 Switch Software Configuration Guide 78-16156-01 Displays PAgP information such as traffic information, the internal LACP configuration, and neighbor information. You can clear PAgP channel-group information ...
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... switches is modeled as removable Flash memory.) • CISCO-FTP-CLIENT-MIB • CISCO-HSRP-MIB • CISCO-HSRP-EXT-MIB (partial support) • CISCO-IGMP-FILTER-MIB • CISCO-IMAGE-MIB • CISCO IP-STAT-MIB • CICSO-L2L3-INTERFACE-MIB • CISCO-LACP-MIB 78-16156-01 Catalyst 3560 Switch Software Configuration Guide A-1 Supported MIBs A A P P E N D I X This appendix...
... switches is modeled as removable Flash memory.) • CISCO-FTP-CLIENT-MIB • CISCO-HSRP-MIB • CISCO-HSRP-EXT-MIB (partial support) • CISCO-IGMP-FILTER-MIB • CISCO-IMAGE-MIB • CISCO IP-STAT-MIB • CICSO-L2L3-INTERFACE-MIB • CISCO-LACP-MIB 78-16156-01 Catalyst 3560 Switch Software Configuration Guide A-1 Supported MIBs A A P P E N D I X This appendix...