I don't understand your statement "the subnet mask normally assigned is
255.255.255.0 not 255.255.255.255 and this is done so that only one Ip
address can be assigned to the loobak interface." Using the subnet mask
255.255.255.0 will waste IP addresses. You would use the 255.255.255.255
subnet mask to make it so it only uses 1 IP address.
Although the loopback can be used to sway the DR/BDR election, it's also
used as endpoints in DLSw, STUN and BSTUN tunnels as well as for
administrative purposes as a way to reach a router no matter which
particular interface is up or down. Also they are commonly used as a
"source" of an IP address for IP unnumbered interfaces, since they never go
down.
Mike W.
"FELIX KISSIEDU" wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Looback interface is a logical interface on your router such that when
your
> router interface(s) goes down your loopback interface still stays up up.
the
> subnet mask normally assigned is 255.255.255.0 not 255.255.255.255 and
this
> is done so that only one Ip address can be assigned to the loobak
interface.
> It's normally used is ospf networks to configure your router(s) as
> designated or backup designated router(s).
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=9581&t=9493
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