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This section describes the commands you use to configure port-channels, which are also known as link aggregation groups (LAGs). Link aggregation allows you to combine multiple full-duplex Ethernet links into a single logical link. Network devices treat the aggregation as if it were a single link, which increases fault tolerance and provides load sharing. The LAG feature initially load shares traffic based upon the source and destination MAC address.Assign the port-channel (LAG) VLAN membership after you create a port-channel. If you do not assign VLAN membership, the port-channel might become a member of the management VLAN which can result in learning and switching issues.
A port-channel (LAG) interface can be either static or dynamic, but not both. All members of a port channel must participate in the same protocols.) A static port-channel interface does not require a partner system to be able to aggregate its member ports.
NOTE: If you configure the maximum number of dynamic port-channels (LAGs) that your platform supports, additional port-channels that you configure are automatically static.
This command configures a new port-channel (LAG) and generates a logical unit/slot/port number for the port-channel. The <name> field is a character string which allows the dash “-” character as well as alphanumeric characters. Use the show port channel command to display the unit/slot/port number for the logical interface. Before you include a port in a port-channel, set the port physical mode.
This command deletes a port-channel (LAG).
This command adds one port to the port-channel (LAG). The first interface is a logical unit/slot/port number of a configured port-channel. Before adding a port to a port-channel, set the physical mode of the port. For more information, see “speed”.
This command deletes the port from the port-channel (LAG). The interface is a logical unit/slot/port number of a configured port-channel.
This command deletes all configured ports from the port-channel (LAG). The interface is a logical unit/slot/port number of a configured port-channel. To clear the port channels, see “clear port-channel”
Use this command to configure the administrative value of the key for the port-channel. The value range of <key> is 0 to 65535. This command can be used to configure a single interface or a range of interfaces.
NOTE: This command is applicable only to port-channel interfaces.
Use this command to configure the default administrative value of the key for the port-channel.
Use this command to configure the port-channel collector max delay. This command can be used to configure a single interface or a range of interfaces.The valid range of <delay> is 0-65535.
NOTE: This command is applicable only to port-channel interfaces.
Use this command to configure the default port-channel collector max delay.
Use this command to configure the LACP actor admin parameters.
Use this command to configure the administrative value of the LACP actor admin key on an interface or range of interfaces. The valid range for <key> is 0-65535.
NOTE: This command is applicable only to physical interfaces.
Use this command to configure the default administrative value of the key.
Use this command to configure the administrative value of actor state as transmitted by the Actor in LACPDUs. The valid value range is 0x00-0xFF. This command can be used to configure a single interfaces or a range of interfaces.
NOTE: This command is applicable only to physical interfaces.
Use this command to configure the default administrative values of actor state as transmitted by the Actor in LACPDUs.
Use this command to set LACP actor admin state to individual.
NOTE: This command is applicable only to physical interfaces.
Use this command to set the LACP actor admin state to aggregation.
Use this command to set LACP actor admin state to longtimeout.
NOTE: This command is applicable only to physical interfaces.
Use this command to set the LACP actor admin state to short timeout.
NOTE: This command is applicable only to physical interfaces.
Use this command to set the LACP actor admin state to passive.
NOTE: This command is applicable only to physical interfaces.
Use this command to set the LACP actor admin state to active.
Use this command to configure LACP actor port priority key.
lacp actor port priority
Use this command to configure the priority value assigned to the Aggregation Port for an interface or range of interfaces. The valid range for <priority> is 0 to 255.
NOTE: This command is applicable only to physical interfaces.
Use this command to configure the default priority value assigned to the Aggregation Port.
Use this command to configure the administrative value of the Key for the protocol partner. This command can be used to configure a single interface or a range of interfaces. The valid range for <key> is 0 to 65535.
NOTE: This command is applicable only to physical interfaces.
Use this command to set the administrative value of the Key for the protocol partner to the default.
Use this command to configure the current administrative value of actor state for the protocol Partner. The valid value range is 0x00-0xFF.
NOTE: This command is applicable only to physical interfaces.
Use this command to configure the default current administrative value of actor state for the protocol partner. This command can be used to configure a single interface or a range of interfaces.
Use this command to set LACP partner admin state to individual
NOTE: This command is applicable only to physical interfaces
Use this command to set the LACP partner admin state to aggregation.
Use this command to set LACP partner admin state to longtimeout.
NOTE: This command is applicable only to physical interfaces.
Use this command to set the LACP partner admin state to short timeout.
NOTE: This command is applicable only to physical interfaces.
Use this command to set the LACP partner admin state to passive.
NOTE: This command is applicable only to physical interfaces.
Use this command to set the LACP partner admin state to active.
Use this command to configure the LACP partner port id. This command can be used to configure a single interface or a range of interfaces. The valid range for <port-id> is 0 to 65535.
NOTE: This command is applicable only to physical interfaces.
Use this command to set the LACP partner port id to the default.
Use this command to configure the LACP partner port priority. This command can be used to configure a single interface or a range of interfaces. The valid range for <priority> is 0 to 255.
NOTE: This command is applicable only to physical interfaces.
Use this command to configure the default LACP partner port priority.
Use this command to configure the 6-octet MAC Address value representing the administrative value of the Aggregation Port's protocol Partner's System ID. This command can be used to configure a single interface or a range of interfaces. The valid range of <system-id> is 00:00:00:00:00:00 - FF:FF:FF:FF:FF.
NOTE: This command is applicable only to physical interfaces.
Use this command to configure the default value representing the administrative value of the Aggregation Port’s protocol Partner’s System ID.
Use this command to configure the administrative value of the priority associated with the Partner's System ID. This command can be used to configure a single interface or a range of interfaces. The valid range for <priority> is 0 to 65535.
NOTE: This command is applicable only to physical interfaces.
Use this command to configure the default administrative value of priority associated with the Partner’s System ID.
This command enables the static mode on a port-channel (LAG) interfaces only. By default the static mode for a new port-channel is enabled, which means the port-channel is static. If the maximum number of allowable dynamic port-channels are already present in the system, the static mode for a new port-channel is enabled, which means the port-channel is static. You can only use this command on port-channel interfaces.
This command sets the static mode on a particular port-channel (LAG) interface to the default value. This command will be executed only for interfaces of type port-channel (LAG).
This command enables Link Aggregation Control Protocol (LACP) on a port.
This command disables Link Aggregation Control Protocol (LACP) on a port.
This command enables Link Aggregation Control Protocol (LACP) on all ports.
This command disables Link Aggregation Control Protocol (LACP) on all ports.
This command sets the timeout on a physical interface of a particular device type (actor or partner) to either long or short timeout.
This command sets the timeout back to its default value on a physical interface of a particular device type (actor or partner).
This command sets the timeout for all interfaces of a particular device type (actor or partner) to either long or short timeout.
This command sets the timeout for all physical interfaces of a particular device type (actor or partner) back to their default values.
This command enables a port-channel (LAG). The option all sets every configured portchannel with the same administrative mode setting.
This command disables a port-channel (LAG). The option all sets every configured portchannel with the same administrative mode setting.
This command enables link trap notifications for the port-channel (LAG). The interface is a logical <unit/slot/port> for a configured port-channel. The option all sets every configured port-channel with the same administrative mode setting.
This command disables link trap notifications for the port-channel (LAG). The interface is a logical slot and port for a configured port-channel. The option all sets every configured port-channel with the same administrative mode setting.
This command selects the load-balancing option used on a port-channel (LAG). Traffic is balanced on a portchannel (LAG) by selecting one of the links in the channel over which to transmit specific packets. The link is selected by creating a binary pattern from selected fields in a packet, and associating that pattern with a particular link.
Load-balancing is not supported on every device. The range of options for load-balancing may vary per device.
This command can be configured for a single interface, a range of interfaces, or all interfaces.
This command reverts to the default load balancing configuration
This command defines a name for the port-channel (LAG). The interface is a logical unit/slot/port for a configured port-channel, and <name> is an alphanumeric string up to 15 characters.
Use this command to configure port-channel system priority. The valid range of priority is <0-65535>.
Use this command to configure the default port-channel system priority value.
Use this command to display LACP actor attributes.
The display parameters for above command are:
Use this command to display LACP partner attributes.
The display parameters for above command are:
This command displays the static capability of all port-channel (LAG) interfaces on the device as well as a summary of individual port-channel interfaces.
The display parameters for above command are:
This command displays an overview of all port-channels (LAGs) on the switch.
The display parameters for above command are:
Use this command to display the port-channel system priority.