vBNS IPv6 Address Assignment

6bone Address Format:

vBNS Address Format:

vBNS leaf sites are assigned a Site ID under NLA2=0xFF

Interface ID

64 bits

16 bits

24 bits

24 bits

NLA2 Site ID

SLA

8

8

16 bits

Interface ID

64 bits

16 bits

24 bits

24 bits

NLA2

SLA

pTLA

8 bits

vBNS transit sites are assigned an NLA2

0x3FFE

0x3FFE

0x28

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