[e2e] MTU of a loopback interface?

Fred Baker fred at cisco.com
Thu May 3 13:01:17 PDT 2001

At 03:30 PM 5/3/2001 -0400, Jeffrey A. Six wrote:
>Me and a colleague have been having a discussion about why loopback
>interfaces have an MTU.  Is this done for any particular reason?

because every IP interface has an MTU, and loopback interfaces are IP 
interfaces. That's not to say that the MTU has to be anything particularly 

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