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FTOS Configuration Guide for the C-Series - Force10 Networks

FTOS Configuration Guide for the C-Series - Force10 Networks

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• Configure <strong>the</strong> minimum oper up links in a port channel (LAG) on page 262 (optional)<br />

• Add or remove a port channel from a VLAN on page 262 (optional)<br />

• Assign an IP address to a port channel on page 263 (optional)<br />

• Delete or disable a port channel on page 263 (optional)<br />

• Load balancing through port channels on page 263<br />

Create a port channel<br />

You can create up to 255 port channels (LAGs) on an E-<strong>Series</strong> (255 <strong>for</strong> TeraScale, 1 to 32 <strong>for</strong> E<strong>the</strong>rScale).<br />

To create a port channel, you must be in <strong>the</strong> CONFIGURATION mode.<br />

To configure a port channel, use <strong>the</strong>se commands in <strong>the</strong> following sequence, starting in <strong>the</strong><br />

CONFIGURATION mode:<br />

Step Command Syntax Command Mode Purpose<br />

1 interface port-channel channel-number CONFIGURATION Create a port channel.<br />

2<br />

no shutdown INTERFACE<br />

PORT-CHANNEL<br />

The port channel is now enabled and you can place <strong>the</strong> port channel in Layer 2 or Layer 3 mode. Use <strong>the</strong><br />

switchport command to place <strong>the</strong> port channel in Layer 2 mode or configure an IP address to place <strong>the</strong><br />

port channel in Layer 3 mode.<br />

You can configure a port channel as you would a physical interface by enabling or configuring protocols or<br />

assigning access control lists.<br />

Add a physical interface to a port channel<br />

The physical interfaces in a port channel can be on any line card in <strong>the</strong> chassis, but must be <strong>the</strong> same<br />

physical type.<br />

You can add any physical interface to a port channel if <strong>the</strong> interface configuration is minimal. Only <strong>the</strong><br />

following commands can be configured on an interface if it is a member of a port channel:<br />

• description<br />

• shutdown/no shutdown<br />

Ensure that <strong>the</strong> port channel is active.<br />

Note: Port channels can contain a mix of Gigabit E<strong>the</strong>rnet and 10/100/1000 E<strong>the</strong>rnet<br />

interfaces, but <strong>FTOS</strong> disables <strong>the</strong> interfaces that are not <strong>the</strong> same speed of <strong>the</strong> first channel<br />

member in <strong>the</strong> port channel (see 10/100/1000 interfaces in port channels on page 257).<br />

• mtu (if <strong>the</strong> interface is on a Jumbo-enabled line card and <strong>the</strong> chassis is in Jumbo mode.)<br />

• ip mtu (if <strong>the</strong> interface is on a Jumbo-enabled line card and <strong>the</strong> chassis is in Jumbo mode.)<br />

258 Interfaces

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