difference betwween null interface and loopback interface

[amms68958]

Hi all,

Can anyone please explain the difference between null interface and

loopback interface ?..

Kindly explain the significance of both in the routing point of view..

Thanks in advance....

[aybra]

Hi

Null interface is like trash any traffic go there is dropped.

Loopback interface is a logic interface that alway UP, in routing it generally used as router ID.

TX