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Difference between s0/0/0 and s0/0/0:0?

On Cisco 29xx routers, I saw serial interface in different naming conventions (depending on the interface card, such as HWIC or VWIC).

Some are named s0/0/0.  Some are named s0/0/0:0.

Why is the difference?

Thanks!

3 REPLIES

Re:Difference between s0/0/0 and s0/0/0:0?

Hello

HWIC - high rate wan interface card
VWIC - voice & wan interface card

Res


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New Member

Difference between s0/0/0 and s0/0/0:0?

I know what HWIC and VWIC is.

My question is: why S0/0/0:0 versus S0/0/0?  What does the column sign and the number following mean?

Hall of Fame Super Gold

Difference between s0/0/0 and s0/0/0:0?

For some of the cards you configure the controller (with things like specifying the time slots and giving the channel an identifying number). For these you have the serial0/0/0 and add the : to specify the appropriate channel number. For other cards you configure only the card and not the controller and for these there is no :

HTH

Rick

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