Network+ Chapter 13 Definitions

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  1. Internet Protocol Version 6 (IPv6)
    Protocol in which addresses consist of eight sets of four hexadecimal, each number being a value between 0000 and FFFF, using a colon to separate the numbers.  No IP address may be all 0's or all FFFFs.  An example is FEDC:BA98:7654:3210:0800:200C:00CF:1234
  2. Link-Local Address
    The address that a computer running IPv6 gives itself after first booting.  The first 64 bits of a link-local are always FE80::/64
  3. Unicast Address
    A unique IPv6 address that is exclusive to a system.  Link-local addresses are unicast addresses.
  4. Multicast
    Method of sending a packet in which the sending computer sends it to a group of interested computers
  5. Multicast Addresses
    In IPv6, a set of reserved addresses designed to go only to certain systems.
  6. Broadcast
    A frame or packet addressed to all machines, almost always limited to a broadcast domain
  7. Broadcast Addresses
    The address a NIC attaches to a frame when it wants every other NIC on the network to read it.  In TCP/IP, the general broadcast address is  In Ethernet, the broadcast MAC address FF-FF-FF-FF-FF-FF.
  8. Anycast
    A method of addressing groups of computers as though they were a single computer.  Anycasting starts by giving a number of computers (or clusters of computers) the same IP address.  Advanced routers then send incoming packets to the closest of the computers.
  9. Global Unicast Address
    A second IPv6 address that every system needs in order to get on the Internet.
  10. Aggregation
    A router hierarchy in which every router underneath a higher router always uses a subnet of the router's existing routes.
  11. Stateful
    Describes a DHCPv6 server that works very similarly to an IPv4 DHCP server, passing out IPv6 addresses, subnet masks, and default gateways as well as optional items like DNS server addresses
  12. Stateless
    Describes a DHCPv6 server that only passes out optional information
  13. Intra-Site Automatic Tunnel Addressing Protocol (ISATAP)
    An IPv6 tunneling protocol that adds the IPv4 address to an IPv6 prefix.
  14. Tunnel Broker
    In IPv6, a service that creates the actual tunnel and (usually) offers a custom-made endpoint client for you to use, although more advanced users can often make a manual connection.
  15. Tunnel Setup Protocol (TSP)
    One of the protocols that set up IPv6 tunnels and handle configuration as well as login.
  16. Tunnel Information and Control Protocol (TIC)
    One of the protocols that set up IPv6 tunnels and handle configuration as well as login.
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Network+ Chapter 13 Definitions
2013-03-04 18:18:55

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