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IPv6
Ipv6 test study guide
23
Computer Networking
Undergraduate 2
10/16/2013

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Term
IPv6 Shorthand
Definition
Leading zeros in each 16-bit field are suppressed. For example, 2001:0db8::0001 is rendered as 2001:db8::1, though any all-zero field that is explicitly presented is rendered as 0.
Representations are shortened as much as possible. The longest sequence of consecutive all-zero fields is replaced by double-colon. For example, 2001:db8:0:0:0:0:2:1 is shortened to 2001:db8::2:1, but 2001:db8:0000:1:1:1:1:1 is rendered as 2001:db8:0:1:1:1:1:1. If there are multiple longest runs of all-zero fields, then it is the leftmost that is compressed. E.g., 2001:db8:0:0:1:0:0:1 is rendered as 2001:db8::1:0:0:1 rather than as 2001:db8:0:0:1::1.
Hexadecimal digits are expressed as lower-case letters. For example, 2001:db8::1 is preferred over 2001:DB8::1.
Term
Link-Local Address
Definition
FE80:
Term
Site-Local Address
Definition
FD00:
Term
Unicast Addres
Definition
2000:
Term
Loopback Address
Definition
::1
Term
Multicast Address
Definition
FF00:
Term
6to4 Address
Definition
2002:
Term
Teredo Address
Definition
2001:
Term
Documentation Address
Definition
2001:DB9
Term
Global Unicast Addresses are used for:
Definition
Internet addressing
Term
Site-Local addresses are used for:
Definition
Similar to the Ipv4 private 10., 172.16, 192.168 address. Used for setting up unique local networks.
Term
Link-Local addresses are used for:
Definition
Similar to the IPv4 169. addresses. used for automatic communication within a local network
Term
Multicast addressing is used for:
Definition
Play a big role with IPv6, it also replaces IPv4 broadcasting.
Term
Stateless is:
Definition
Type of config that occurs when a client configures its own address based on an IPv6 Router.
Term
Stateful is:
Definition
Type of config that occurs when the client accepts a config including its IPv6 address from a DHCP server after being directed there.
Term
Neighbor Discovery Protocol is:
Definition
Used for DHCP, finding neighbors, preventing duplicate addresses.
Term
6to4 is:
Definition
Allows you to cross ipv4 networks with your ipv6 packet across the internet. Enabled by default.
Term
Teredo is:
Definition
Provide communication through ipv4 and a pure ipv6 network and an IPv6/4 host on a private ipv4 network being an ipv4 nat server.
Term
ISATAP:
Definition
Internal ipv6 to internal ipv4. Requires special ISATAP router.
Term
6in4:
Definition
Encapsulates an ipv6 packet inside of an ipv4 packet.
Term
Zone Identifier:
Definition
Used to locate certain areas of the network and allows you to control the traffic for a specific area of the network.
Term
Subnetting with IPv6:
Definition
16 bits are set aside for subnetting.
Term
CIDR for IPV6:
Definition
48 routing bits, 16 network bits, 64 host bits.
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