I don't think it's just Fast Ethernet. I've seen "Slow" Ethernet report 
that the interface is up, down when nothing was attached. It seems to just 
be an indication that the interface passed a hardware check.

Priscilla

At 08:21 PM 4/25/01, md. nazri wrote:
>thanks for the answer...
>i understand that LP will down if no connection attach, but why FE still up,
>does it up forever until we shut it down? Does it apply the same to
>Ethernet..?
>----- Original Message -----
>From: "Vincent Chong"
>To:
>Sent: Wednesday, April 25, 2001 3:48 PM
>Subject: Re: FastEthernet is up, Line protocol down [7:1828]
>
>
> > 1)     I guess you enable the fastethernet port in the running
> > configuration.  You have to
> >     shutdown the port, so the port will administrative shut down and line
> > protocol down.
> >
> > 2)    Line protocol will up if there is any phyiscal connection attached
>to
> > Fastethernet.
> >     Becasue the port in your router will detect keepalive signal, when it
> > detected, it will
> >     up.    You can type no keepalive under interface configuration, the
> > ethernet interface
> >     will keep up even no physical connection. You have to enable the
> > interface, of courese.
> >
> >     Hope this help
> >     Vincent Chong
> >
> >
> >
> > ""md. nazri""   hi all,
> > > got one question regarding FastEthernet on Cisco 2620..
> > > why the status showed FastEthernet is up, Line protocol down although
>the
> > > cable was pulled out from the port...in what cases the port will
>down..any
> > > help appreciated
> > >
> > > tq
> > > FAQ, list archives, and subscription info:
> > http://www.groupstudy.com/list/cisco.html
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> > FAQ, list archives, and subscription info:
>http://www.groupstudy.com/list/cisco.html
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>FAQ, list archives, and subscription info: 
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________________________

Priscilla Oppenheimer
http://www.priscilla.com




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