Interfaces In Port Channels; Configuration Tasks For Port Channel Interfaces; Creating A Port Channel - Dell S6100 Configuration Manual

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Interfaces in Port Channels

When interfaces are added to a port channel, the interfaces must share a common speed. When interfaces have a configured speed

different from the port channel speed, the software disables those interfaces.

The common speed is determined when the port channel is first enabled. Then, the software checks the first interface listed in the port

channel configuration. If you enabled that interface, its speed configuration becomes the common speed of the port channel. If the other

interfaces configured in that port channel are configured with a different speed, Dell Networking OS disables them.

Port channels can contain a mix of 1G/10G/25G/40G/50G/100G. The interface speed that the port channel uses is determined by the

first port channel member that is physically up. Dell Networking OS disables the interfaces that do not match the interface speed that the

first channel member sets. That first interface may be either the interface that is physically brought up first or was physically operating

when interfaces were added to the port channel. For example, if the first operational interface in the port channel is a Tengigabit Ethernet

interface, all interfaces at 10000 Mbps are kept up, and all other interfaces that are not set to 10G speed or auto negotiate are disabled.

To configure a port channel (LAG), use the commands similar to those found in physical interfaces. By default, no port channels are

configured in the startup configuration.

These are the mandatory and optional configuration tasks:

Adding a Physical Interface to a Port Channel

Reassigning an Interface to a New Port Channel

Configuring the Minimum Oper Up Links in a Port Channel

Adding or Removing a Port Channel from a VLAN

Assigning an IP Address to a Port Channel

Deleting or Disabling a Port Channel

Load Balancing Through Port Channels

Creating a Port Channel

You can create up to 4096 port channels with up to 16 port members per group on the platform.

To configure a port channel, use the following commands.

Create a port channel.

CONFIGURATION mode

interface port-channel id-number

Ensure that the port channel is active.

INTERFACE PORT-CHANNEL mode

After you enable the port channel, you can place it in Layer 2 or Layer 3 mode. To place the port channel in Layer 2 mode or configure an IP

address to place the port channel in Layer 3 mode, use the switchport command.

You can configure a port channel as you would a physical interface by enabling or configuring protocols or assigning access control lists.