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RFC 4632, "Classless Inter-domain Routing (CIDR): The Internet Address Assignment and Aggregation Plan", August 2006

Source of RFC: grow (ops)
See Also: RFC 4632w/ inline errata

Errata ID: 4194
Status: Verified
Type: Editorial
Publication Format(s) : TEXT

Reported By: larry
Date Reported: 2014-12-04
Verifier Name: Benoit Claise
Date Verified: 2015-07-19

Section 5.3 says:

 Systems that process route announcements must be able to verify that
   information that they receive is acceptable according to policy
   rules.  Implementations that filter route advertisements must allow
   masks or prefix lengths in filter elements.  Thus, filter elements
   that formerly were specified as

      accept 172.16.0.0
      accept 172.25.120.0.0
      accept 172.31.0.0
      deny 10.2.0.0
      accept 10.0.0.0

It should say:

 Systems that process route announcements must be able to verify that
   information that they receive is acceptable according to policy
   rules.  Implementations that filter route advertisements must allow
   masks or prefix lengths in filter elements.  Thus, filter elements
   that formerly were specified as

      accept 172.16.0.0
      accept 172.25.120.0
      accept 172.31.0.0
      deny 10.2.0.0
      accept 10.0.0.0

Notes:

the second network address has 40 bits (5 groups of numbers instead of 4-32 bits).

172.25.120.0.0

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