John;
is the following loop used for troubleshooting purposes as well? what would
be the circumstances?
1) Is a, virtual interface, for lack of a better term. They are often used
with advanced routing, i.e. OSPF, BGP4.
mjs
-
John Hardman, MCSE+I, CCNA
ArrisTech/CCS-IS SysAdmin
<[EMAIL PROTECTED]> wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> I was just wondering why you would waste a physical int. for a loopback?
You
> can create logical interfaces with the "int Loopback0" and so on. So why
> would you take up a serial int unless you were using subinterfaces? I'm
not
> trying to be smart. I really want to know what or why this would be used
> instead of logical int's. Thanks group.
>
> Mark Z. ~ CCNA (CCDA on Monday the 31st) :)
>
>
> In a message dated 27.07.00 18:29:46 Central Daylight Time,
[EMAIL PROTECTED]
> writes:
>
> << just to let you know that you can set a loopback on a Cisco router
from
> the
> router ?
>
> You must be in the priv mode not user mode to put the router in
loopback.
>
> Router#
> Router#conf ter ( hit enter )
> Router(config)#int s0 ( hit enter )
> Router(config-if)#LOOPBACK (hit enter )
> Router(config-if)#end (hit enter )
> Router#sho int s0 ( you will now see the serial interface in loopback)
>
> To remove the loopback from the serial interface just reload the router
or
> do this:
>
>
> Router#
> Router#conf ter ( hit enter )
> Router(config)#int s0 ( hit enter )
> Router(config-if)#NO LOOPBACK (hit enter )
> Router(config-if)#end (hit enter )
> Router#sho int s0 ( you will now see the serial interface out of the
> loopback)
>
>
>
> Brian
> Email Address [EMAIL PROTECTED] >>
>
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