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userdoc:tt_ipv6_ula_nptv6_config [2017/06/04 13:05]
abelbeck [IPv6 ULA / NPTv6 Configuration] |
userdoc:tt_ipv6_ula_nptv6_config [2017/06/04 13:27] (current)
abelbeck [Example IPv6 ULA / NPTv6 Setup] |
| Click **Configure Plugin**, set ''ENABLED=1'' and ... | Click **Configure Plugin**, set ''ENABLED=1'' and ... |
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| Define the global prefix, since were using dynamic DHCPv6 only specify the prefix length: | Define the global prefix, since we are using dynamic DHCPv6 only specify the prefix length: |
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| NET_PREFIX_TRANSLATION_GLOBAL_PREFIX="::/60" | NET_PREFIX_TRANSLATION_GLOBAL_PREFIX="::/60" |
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| \\ | \\ |
| !!Important ->!! Carving the ULA/48 into ULA/64's that will result in a 1:1 mapping to a GUA/60 is important to understand. In the example above we used ''IPv6/nn'' entries of ''<ula>:1::1/64'' and ''<ula>:2::1/64'' (where ''<ula>'' is shorthand for ''fd06:d115:91f1''). For a ULA/60 the largest possible sequence is ''<ula>:0::1/64'' to ''<ula>:f::1/64'', which are 16 possibilities, but be careful the first ''<ula>:0::1/64'' can't be used since that will conflict with the first "Assign GUA Prefix", since they are indexed 0, 1, etc. . If we had selected a second "Assign GUA Prefix" (index 1) we would have to start the ''IPv6/nn'' entries with ''<ula>:2::1/64'' or higher, best to start a little higher. | !!Important ->!! Carving the ULA/48 into ULA/64's that will result in a 1:1 mapping to a GUA/60 is important to understand. In the example above we used ''IPv6/nn'' entries of ''<ula>:1::1/64'' and ''<ula>:2::1/64'' (where ''<ula>'' is shorthand for ''fd06:d115:91f1''). For a ULA/60 the largest possible sequence is ''<ula>:0::1/64'' to ''<ula>:f::1/64'', which are 16 possibilities, but be careful the first ''<ula>:0::1/64'' best not be used since that will share the same address space as the first "Assign GUA Prefix", since they are indexed 0, 1, etc. . If we had selected a second "Assign GUA Prefix" (index 1) it would be best to start the ''IPv6/nn'' entries with ''<ula>:2::1/64'' or higher, best practice is to start a little higher. |
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| ^ Suggestion on how to manage your ULA's with a GUA/60 prefix: ^^^ | ^ Suggestion on how to manage your ULA's with a GUA/60 prefix: ^^^ |