Dell Networking S6000 Uživatelský manuál stáhnout pdf (Strana 388)

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• View Loopback interface configurations.

EXEC mode

show interface loopback number

• Delete a Loopback interface.

CONFIGURATION mode

no interface loopback number

Many of the same commands found in the physical interface are also found in the Loopback interfaces.

Null Interfaces

The Null interface is another virtual interface. There is only one Null interface. It is always up, but no

traffic is transmitted through this interface.

To enter INTERFACE mode of the Null interface, use the following command.

• Enter INTERFACE mode of the Null interface.

CONFIGURATION mode

interface null 0

The only configurable command in INTERFACE mode of the Null interface is the ip unreachable

command.

Port Channel Interfaces

Port channel interfaces support link aggregation, as described in IEEE Standard 802.3ad.

This section covers the following topics:

• Port Channel Definition and Standards

• Port Channel Benefits

• Port Channel Implementation

• Configuration Tasks for Port Channel Interfaces

Port Channel Definition and Standards

Link aggregation is defined by IEEE 802.3ad as a method of grouping multiple physical interfaces into a

single logical interface—a link aggregation group (LAG) or port channel.

A LAG is “a group of links that appear to a MAC client as if they were a single link” according to IEEE

802.3ad. In Dell Networking OS, a LAG is referred to as a port channel interface.

A port channel provides redundancy by aggregating physical interfaces into one logical interface. If one

physical interface goes down in the port channel, another physical interface carries the traffic.

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Interfaces

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