Link Local Unicast Addresses Mandatory addresses that are used exclusively for communication between two IPv6 devices on the same link Automatically assigned by device as soon as IPv6 is enabled Not routable addresses (Their scope is link-specific only.) Identified by the first 10 bits(FE80)
Link Local Unicast Addresses ◼ Mandatory addresses that are used exclusively for communication between two IPv6 devices on the same link ◼ Automatically assigned by device as soon as IPv6 is enabled ◼ Not routable addresses (Their scope is link-specific only.) ◼ Identified by the first 10 bits (FE80)
The remaining 54 bits of the network ID could be zero or any manually configured value Figure 2-6 Link Local Unicast Address Format -128 Bits- Remaining 54 Bits Interface ID 1111111010 FE80:/10 10 Bits
◼ The remaining 54 bits of the network ID could be zero or any manually configured value
Multicast Addresses used for router solicitations(RS),router advertisements(RA),DHCPv6,multicast applications,and so forth Figure 2-7 Multicast Address Format 128 Bits 8-bits 4-bits 4-bits 112-bits 11111111 Lifetime Scope Group-ID Lifetime Scope 0 If Permanent 1 Node 1 If Temporary 2 Link 6 Site 8 Organization ◇ Global
Multicast Addresses ◼ used for router solicitations (RS), router advertisements (RA), DHCPv6, multicast applications, and so forth