RFC1918 conformance
Bill Manning
bmanning at ISI.EDU
Tue Feb 11 16:16:21 UTC 1997
> My standard in & out route filters are attached.
> Everyone should use something like this.
> --asp at partan.com (Andrew Partan)
>
> ! Deny martian routes
> ! 1st and last classical B and C nets (guard nets).
> access-list 180 deny ip 128.0.0.0 0.0.255.255 255.255.0.0 0.0.255.255
> access-list 180 deny ip 191.255.0.0 0.0.255.255 255.255.0.0 0.0.255.255
> access-list 180 deny ip 192.0.0.0 0.0.0.255 255.255.255.0 0.0.0.255
> access-list 180 deny ip 223.255.255.0 0.0.0.255 255.255.255.0 0.0.0.255
In a classless environment, these prefixes are legitimate.
Correct behaviour is now known for these subnets and so I
wonder why you still have them in your standard list.
--
--bill
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