Stupid Question maybe?

[bellman at nsc.liu.se (Thomas Bellman)]

On 2018-12-19 20:47 MET, valdis.kletnieks at vt.edu wrote:

> There was indeed a fairly long stretch of time (until the CIDR RFC came out and
> specifically said it wasn't at all canon) where we didn't have an RFC that
> specifically said that netmask bits had to be contiguous.

How did routers select the best (most specific) route for an address?
If the routing table held both (e.g.) 10.20.30.0/255.255.255.64 and
10.20.30.0/255.255.255.32, then 10.20.30.97 would match both, and have
the same number of matching bits.

	/Bellman

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