<div>
do the following<br />
<br />
conf t<br />
int fast ethernet 0/0<br />
no shut<br />
ip address 192.168.0.1 255.255.255.0<br />
<br />
thats it
</div>


do the following

conf t
int fast ethernet 0/0
no shut
ip address 192.168.0.1 255.255.255.0

thats it

<div>
no that is not it <br />
<br />
because if you remove the cable <br />
<br />
FastEthernet0/1 is up, line protocol is down<br />
<br />
so still is down ?<br />
<br />
you cannot ping ?<br />
<br />

</div>


no that is not it

because if you remove the cable

FastEthernet0/1 is up, line protocol is down

so still is down ?

you cannot ping ?



<div>
This is not possible because line protocol checks for connectivity. It will go down then you unplugg the cable
</div>


This is not possible because line protocol checks for connectivity. It will go down then you unplugg the cable

<div>
If you need an interface that never goes down, use a loopback interface instead.<br />
<br />
int loopback0<br />
ip address x.x.x.x 255.255.255.0
</div>


If you need an interface that never goes down, use a loopback interface instead.

int loopback0
ip address x.x.x.x 255.255.255.0

<div>
THANKS that1guy15<br />
<br />
Int f0/0<br />
No keepalives<br />
<br />
<br />
<br />
FastEthernet0/0 is up, line protocol is up
</div>


THANKS that1guy15

Int f0/0
No keepalives



FastEthernet0/0 is up, line protocol is up

<div>
No problem.<br />
<br />
This is only recomended for testing only. As jfred said if you need an interface that never goes down in production then use a loopback<br />
<br />
Int loopback1<br />
No shut
</div>


No problem.

This is only recomended for testing only. As jfred said if you need an interface that never goes down in production then use a loopback

Int loopback1
No shut

<div>
<div class="content wysiwyg-content">
I need for testing only to make one fast Ethernet interface up even I unplugged the cable from that interface <br />
<br />
so what is the command to do that ?<br />
<br />
<br />

</div>
</div>


I need for testing only to make one fast Ethernet interface up even I unplugged the cable from that interface 

so what is the command to do that ?




esy cisco CLI for router ? unplugged cable ?

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