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Search options not deleted user 39903

For questions about network prefixes, where the routing prefix may be expressed in Classless Inter-Domain Routing (CIDR) notation written as the first address of a network, followed by a slash character (/), and ending with the bit-length of the prefix. For instance, you are trying to find the prefix you want to announce on your router.

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3 answers
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Where can I use the IPv6 documentation prefix

The IPv6 documentation prefix (2001:db8::/32 RFC3849) seem to fit. … However, someone brought up that this prefix should only be used in textual examples and never be actually configured anywhere, not even in an isolated test network. …
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