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Description
Adds ports to a load-sharing, or link aggregation, group. By using link aggregation, you use multiple ports as a single logical port. Link aggregation also provides redundancy because traffic is redistributed to the remaining ports in the link aggregation group (LAG) if one port in the group goes down.
Syntax Description
| port | Specifies the logical port for a load-sharing group or link aggregation group (LAG). This number also functions as the LAG Group ID. |
| port_list | Specifies one or more ports or slots and ports to be grouped in the LAG. |
| add |
Adds a port list to the existing distribution port list for the given slot. |
| all |
All active members of the group are eligible for distribution for packets received on the given slot. This is the existing behavior and the default. This option effectively deletes any existing configured port list for the slot. |
Default
N/A.
Usage Guidelines
Use this command to dynamically add ports to a load-sharing group, or link aggregation group (LAG).
Note
You must create a LAG (or load-sharing group) before you can configure the LAG. To create a LAG, see enable sharing grouping.VMAN ports can belong to LAGs. If any port in the LAG is enabled for VMAN, all ports in the group are automatically enabled to handle jumbo size frames. Also, VMAN is automatically enabled on all ports of the untagged LAG.
To verify your configuration, use the show ports sharing command.
Note
All ports that are designated for the LAG must be removed from all VLANs prior to configuring the LAG.Summit family switches
- One static LAG can contain up to 8 ports.
- An LACP LAG can include a maximum of 16 ports; out of these up to 8 can be selected links and the remaining 8 will be standby links.
- A Health Check LAG can contain up to 8 ports.
SummitStack only
- A static LAG can include a maximum of 8 ports.
- An LACP LAG can include a maximum of 16 ports; out of these up to 8 can be selected links and the remaining 8 will be standby links.
- A Health Check LAG can include a maximum of 8 ports.
Example
The following example adds port 3 to the LAG with the logical port 4 on a switch:
configure sharing 3 add port 4
History
This command was first available in ExtremeXOS 10.1.
Platform Availability
This command is available on all platforms.