Re: Using RFC1918 on Global table as Loopbacks

[Aaron1 <aaron1 () gvtc com>]

I carry public Internet routing in a vrf, and my loopback and internal IGP interfaces are in the master/default vrf

Aaron

> On Oct 5, 2023, at 12:24 PM, Javier Gutierrez <GutierrezJ () westmancom com> wrote:
>
> 
> Hi, 
> I have recently encountered some operational differences at my new organization that are not what I have been exposed 
> to before, where the loopback of the core network devices is being set from RFC1918 while on the global routing 
> table. I'm sure this is not a major issue but I have mostly seen that ISPs use global IPs for loopbacks on devices 
> that would and hold global routing.
> My question is, what is the most used or recommended way to do this, if I continue to use RFC1918 I will save some 
> very much desired public address space, but would this come back to bite me in the future?
>
>
> Kind regards,
>
>  
>
> Javier Gutierrez,
>
>  
>
>