[ifconfig] What ist 'link encap'?

Karl Auer kauer at biplane.com.au
Tue Jan 27 07:16:40 UTC 2009


On Tue, 2009-01-27 at 07:52 +0100, Detlef Lechner wrote:
> what is meant by 'link encap:' exactly in the output of the command
> ifconfig? For example "Link encap::Local Loopback".
> man 8 ifconfig does not even mention it.

It's how packets are encapsulated. On a normal ethernet interface you'll
see "Ethernet" as the link encapsulation method, meaning that this
interface will wrap your packets in an Ethernet frame for transmission.
The local loopback is special.

Regards, K.

-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Karl Auer (kauer at biplane.com.au)                   +61-2-64957160 (h)
http://www.biplane.com.au/~kauer/                  +61-428-957160 (mob)

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