What type of IPv6 address is this address: FF05:: 2:260:8FF:FE52:F9D8?

Question

Options

• Amulticast temporary node local
• Bmulticast temporary site local
• Cunicast permanent link local
• Dmulticast permanent node link local
• Emulticast permanent site local
• Funicast temporary link local

• A
  4% (2)
• B
  2% (1)
• D
  12% (6)
• E
  79% (41)
• F
  4% (2)

Explanation

Permanent IPv6 Multicast addresses are assigned by IANA while the temporary IPv6 Multicast addresses can be used in pre-deployment Multicast testing. The Flag field may contain one of two possible values, as illustrated and described in the Table below: Type of Multicast Address Binary Representation Hexadecimal Value Permanent 0000 0 Temporary 0001 1 The scope field indicates the scope of the IPv6 internetwork for which the multicast traffic is intended. The size of this field is 4 bits. In addition to information provided by multicast routing protocols, routers use multicast scope to determine whether multicast traffic can be forwarded. For multicast addresses there are 14 possible scopes (some are still unassigned), ranging from interface-local to global (including both link-local and sitelocal). The following table lists the defined values for the scope field: Table 3. Multicast scope field values 1 Interface-local scope (same node) 2 Link-local scope (same link) 3 Subnet-local scope 4 Admin-local scope 5 Site-local scope (same site) 8 Organization-local scope All other scope field values are currently undefined. For example, traffic with the multicast address of FF02::2 has a link-local scope. An IPv6 router never forwards this type of traffic beyond the local link.

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