IPv6 network addresses - Revision history

Pio2pio: /* Unicast IPv6 addresses */

2015-04-06T12:02:48Z

Unicast IPv6 addresses

← Older revision		Revision as of 14:02, 6 April 2015
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	*'''Loopback''' - represented as <span style="color: orange">'''::1/128'''</span> or just <span style="color: orange">'''::1'''</span> in the compressed format		*'''Loopback''' - represented as <span style="color: orange">'''::1/128'''</span> or just <span style="color: orange">'''::1'''</span> in the compressed format
	*'''Unspecified address''' - <span style="color: orange">'''::/128'''</span> or just <span style="color: orange">'''::'''</span> in the compressed format. It cannot be assigned to an interface and is only be used as a source address. It is used as a source address when the device does not yet have a permanent IPv6 address or when the source of the packet is irrelevant to the destination.		*'''Unspecified address''' - <span style="color: orange">'''::/128'''</span> or just <span style="color: orange">'''::'''</span> in the compressed format. It cannot be assigned to an interface and is only be used as a source address. It is used as a source address when the device does not yet have a permanent IPv6 address or when the source of the packet is irrelevant to the destination.
	*'''Unique local address''' ULA RFC 4193 - similarity to RFC 1918 private addresses for IPv4, Unique local addresses are used for local addressing within a site or between a limited number of sites. These addresses should not be routable in the global IPv6. Unique local addresses have prefix <span style="color: orange">'''FC00::/7'''</span>, which results in a first hextet range of <span style="color: orange">'''FC00 to FDFF'''</span>. The next 1 bit is set to 1 if the prefix is locally assigned.		*'''Unique local address''' ULA RFC 4193 - similarity to RFC 1918 private addresses for IPv4, Unique local addresses are used for local addressing within a site or between a limited number of sites. These addresses should not be routable in the global IPv6. Unique local addresses have prefix <span style="color: orange">'''FC00::/7'''</span>, which results in a first hextet range of <span style="color: orange">'''FC00 to FDFF'''</span>. The next 8th bit is set to 1 if the prefix is locally assigned.
	[[File:IPv6-Unique-Local-Addresse.PNG\|500px\|none\|left\|IPv6-Unique-Local-Addresses]]		[[File:IPv6-Unique-Local-Addresse.PNG\|500px\|none\|left\|IPv6-Unique-Local-Addresses]]
	*'''IPv4 embedded''' - used to help transition from IPv4 to IPv6		*'''IPv4 embedded''' - used to help transition from IPv4 to IPv6

Pio2pio: /* Unicast IPv6 addresses */

2015-04-06T12:01:26Z

Unicast IPv6 addresses

← Older revision		Revision as of 14:01, 6 April 2015
Line 26:		Line 26:
	*'''Loopback''' - represented as <span style="color: orange">'''::1/128'''</span> or just <span style="color: orange">'''::1'''</span> in the compressed format		*'''Loopback''' - represented as <span style="color: orange">'''::1/128'''</span> or just <span style="color: orange">'''::1'''</span> in the compressed format
	*'''Unspecified address''' - <span style="color: orange">'''::/128'''</span> or just <span style="color: orange">'''::'''</span> in the compressed format. It cannot be assigned to an interface and is only be used as a source address. It is used as a source address when the device does not yet have a permanent IPv6 address or when the source of the packet is irrelevant to the destination.		*'''Unspecified address''' - <span style="color: orange">'''::/128'''</span> or just <span style="color: orange">'''::'''</span> in the compressed format. It cannot be assigned to an interface and is only be used as a source address. It is used as a source address when the device does not yet have a permanent IPv6 address or when the source of the packet is irrelevant to the destination.
	*'''Unique local address''' - ~~some~~ similarity to RFC 1918 private addresses for IPv4, Unique local addresses are used for local addressing within a site or between a limited number of sites. These addresses should not be routable in the global IPv6. Unique local addresses have prefix <span style="color: orange">'''FC00::/7'''</span>, which results in a first hextet range of <span style="color: orange">'''FC00 to FDFF'''</span>. The next 1 bit is set to 1 if the prefix is locally assigned.		*'''Unique local address''' ULA RFC 4193 - similarity to RFC 1918 private addresses for IPv4, Unique local addresses are used for local addressing within a site or between a limited number of sites. These addresses should not be routable in the global IPv6. Unique local addresses have prefix <span style="color: orange">'''FC00::/7'''</span>, which results in a first hextet range of <span style="color: orange">'''FC00 to FDFF'''</span>. The next 1 bit is set to 1 if the prefix is locally assigned.
	[[File:IPv6-Unique-Local-Addresse.PNG\|500px\|none\|left\|IPv6-Unique-Local-Addresses]]		[[File:IPv6-Unique-Local-Addresse.PNG\|500px\|none\|left\|IPv6-Unique-Local-Addresses]]
	*'''IPv4 embedded''' - used to help transition from IPv4 to IPv6		*'''IPv4 embedded''' - used to help transition from IPv4 to IPv6

Pio2pio: /* Unicast IPv6 addresses */

2015-04-06T11:55:16Z

Unicast IPv6 addresses

← Older revision		Revision as of 13:55, 6 April 2015
Line 26:		Line 26:
	*'''Loopback''' - represented as <span style="color: orange">'''::1/128'''</span> or just <span style="color: orange">'''::1'''</span> in the compressed format		*'''Loopback''' - represented as <span style="color: orange">'''::1/128'''</span> or just <span style="color: orange">'''::1'''</span> in the compressed format
	*'''Unspecified address''' - <span style="color: orange">'''::/128'''</span> or just <span style="color: orange">'''::'''</span> in the compressed format. It cannot be assigned to an interface and is only be used as a source address. It is used as a source address when the device does not yet have a permanent IPv6 address or when the source of the packet is irrelevant to the destination.		*'''Unspecified address''' - <span style="color: orange">'''::/128'''</span> or just <span style="color: orange">'''::'''</span> in the compressed format. It cannot be assigned to an interface and is only be used as a source address. It is used as a source address when the device does not yet have a permanent IPv6 address or when the source of the packet is irrelevant to the destination.
	*'''Unique local''' ~~address~~ - some similarity to RFC 1918 private addresses for IPv4, Unique local addresses are used for local addressing within a site or between a limited number of sites. These addresses should not be routable in the global IPv6. Unique local addresses have prefix <span style="color: orange">'''FC00::/7'''</span>, which results in a first hextet range of <span style="color: orange">'''FC00 to FDFF'''</span>. The next 1 bit is set to 1 if the prefix is locally assigned.		*'''Unique local address''' - some similarity to RFC 1918 private addresses for IPv4, Unique local addresses are used for local addressing within a site or between a limited number of sites. These addresses should not be routable in the global IPv6. Unique local addresses have prefix <span style="color: orange">'''FC00::/7'''</span>, which results in a first hextet range of <span style="color: orange">'''FC00 to FDFF'''</span>. The next 1 bit is set to 1 if the prefix is locally assigned.
	[[File:IPv6-Unique-Local-Addresse.PNG\|500px\|none\|left\|IPv6-Unique-Local-Addresses]]		[[File:IPv6-Unique-Local-Addresse.PNG\|500px\|none\|left\|IPv6-Unique-Local-Addresses]]
	*'''IPv4 embedded''' - used to help transition from IPv4 to IPv6		*'''IPv4 embedded''' - used to help transition from IPv4 to IPv6

Pio2pio: /* Unicast IPv6 addresses */

2015-02-05T15:50:08Z

Unicast IPv6 addresses

← Older revision		Revision as of 17:50, 5 February 2015
Line 26:		Line 26:
	*'''Loopback''' - represented as <span style="color: orange">'''::1/128'''</span> or just <span style="color: orange">'''::1'''</span> in the compressed format		*'''Loopback''' - represented as <span style="color: orange">'''::1/128'''</span> or just <span style="color: orange">'''::1'''</span> in the compressed format
	*'''Unspecified address''' - <span style="color: orange">'''::/128'''</span> or just <span style="color: orange">'''::'''</span> in the compressed format. It cannot be assigned to an interface and is only be used as a source address. It is used as a source address when the device does not yet have a permanent IPv6 address or when the source of the packet is irrelevant to the destination.		*'''Unspecified address''' - <span style="color: orange">'''::/128'''</span> or just <span style="color: orange">'''::'''</span> in the compressed format. It cannot be assigned to an interface and is only be used as a source address. It is used as a source address when the device does not yet have a permanent IPv6 address or when the source of the packet is irrelevant to the destination.
	*'''Unique local''' - some similarity to RFC 1918 private addresses for IPv4, Unique local addresses are used for local addressing within a site or between a limited number of sites. These addresses should not be routable in the global IPv6. Unique local addresses ~~are in the range of~~ <span style="color: orange">'''FC00::/7 to FDFF~~::/7~~'''</span>.		*'''Unique local''' address - some similarity to RFC 1918 private addresses for IPv4, Unique local addresses are used for local addressing within a site or between a limited number of sites. These addresses should not be routable in the global IPv6. Unique local addresses have prefix <span style="color: orange">'''FC00::/7'''</span>, which results in a first hextet range of <span style="color: orange">'''FC00 to FDFF'''</span>. The next 1 bit is set to 1 if the prefix is locally assigned.
			[[File:IPv6-Unique-Local-Addresse.PNG\|500px\|none\|left\|IPv6-Unique-Local-Addresses]]
	*'''IPv4 embedded''' - used to help transition from IPv4 to IPv6		*'''IPv4 embedded''' - used to help transition from IPv4 to IPv6

Pio2pio: /* Unicast IPv6 addresses */

2015-01-26T19:38:56Z

Unicast IPv6 addresses

← Older revision		Revision as of 21:38, 26 January 2015
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	= Unicast IPv6 addresses =		= Unicast IPv6 addresses =
	*'''Global unicast''' - similar to a public IPv4 address, globally unique, Internet routable addresses. It can be configured statically or assigned dynamically. The current range is <span style="color: orange">'''2000::/3'''</span>		*'''Global unicast''' - similar to a public IPv4 address, globally unique, Internet routable addresses. It can be configured statically or assigned dynamically. The current range is <span style="color: orange">'''2000::/3'''</span>. The address consists of 3 parts:
			**'''Global routing prefix''' - network portion of the address that is assigned by the provider, such as an ISP, to a customer or site, currently /48 global prefix is used by ISPs
			**'''Subnet ID''' - used by an organization to identify subnets within its site
			**'''Interface ID''' - equivalent to the '''host portion''' of an IPv4 addres. The term Interface ID is used because a single host may have multiple interfaces, each having one or more IPv6 addresses.

	16 32 48 64 80 96 112 128		16 32 48 64 80 96 112 128 bit count
	\| \| \| \| \| \| \| \|		\| \| \| \| \| \| \| \|
	2001:0db8:ac10:fe01:0000:0000:0000:0001/64		2001:0db8:ac10:fe01:0000:0000:0000:0001/64 HEX
	\ \		\ \
	~~0010~~.0000.0000.0001 (...) 0000.0000.0000.0001		<span style="color: orange">'''001'''</span>0.0000.0000.0001 (...) 0000.0000.0000.0001 binary
	[[File:Ipv6_global_unicast_address.png\|none\|left\|Ipv6_global_unicast_address]]		[[File:Ipv6_global_unicast_address.png\|none\|left\|Ipv6_global_unicast_address]]

			[[File:Ipv6_global_routing_prefix.png\|none\|left\|Ipv6_global_routing_prefix]]

	*'''Link-local''' - Link-local addresses are used to communicate with other devices on the same local link. With IPv6, the term link refers to a subnet. Link-local addresses are confined to a single link. Their uniqueness must only be confirmed on that link because they are not routable beyond the link therefore all router interfaces can can be configured with the same link-local address for easier the router identification. In other words, routers will not forward packets with a link-local source or destination address. They are from <span style="color: orange">'''FE80::/10'''</span> range <span style="color: orange">'''FE80 - FEBF'''</span> and also used by IPv6 routing protocols to exchange messages and as the next-hop address in the IPv6 routing table. When DHCPv6 or SLAAC (Stateless Address Autoconfiguration) is used, the link-local address will automatically be specified as the default gateway address.		*'''Link-local''' - Link-local addresses are used to communicate with other devices on the same local link. With IPv6, the term link refers to a subnet. Link-local addresses are confined to a single link. Their uniqueness must only be confirmed on that link because they are not routable beyond the link therefore all router interfaces can can be configured with the same link-local address for easier the router identification. In other words, routers will not forward packets with a link-local source or destination address. They are from <span style="color: orange">'''FE80::/10'''</span> range <span style="color: orange">'''FE80 - FEBF'''</span> and also used by IPv6 routing protocols to exchange messages and as the next-hop address in the IPv6 routing table. When DHCPv6 or SLAAC (Stateless Address Autoconfiguration) is used, the link-local address will automatically be specified as the default gateway address.
	[[File:Ipv6_link-local_address.png\|none\|left\|Ipv6_link-local_address]]		[[File:Ipv6_link-local_address.png\|none\|left\|Ipv6_link-local_address]]
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	* 2001:0DB8::/32 - reserved for documentation purposes		* 2001:0DB8::/32 - reserved for documentation purposes

	~~== IPv6 unicast address has 3 parts ==~~

	*'''Global routing prefix''' - network portion of the address that is assigned by the provider, such as an ISP, to a customer or site, currently /48 global prefix is used by ISPs
	*'''Subnet ID''' - used by an organization to identify subnets within its site
	*'''Interface ID''' - equivalent to the '''host portion''' of an IPv4 addres. The term Interface ID is used because a single host may have multiple interfaces, each having one or more IPv6 addresses.
	~~[[File:Ipv6_global_routing_prefix.png\|none\|left\|Ipv6_global_routing_prefix]]~~

	= Basic IPv6 router configuration =		= Basic IPv6 router configuration =

Pio2pio: /* Unicast IPv6 addresses */

2015-01-26T19:29:28Z

Unicast IPv6 addresses

← Older revision		Revision as of 21:29, 26 January 2015
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	= Unicast IPv6 addresses =		= Unicast IPv6 addresses =
	*'''Global unicast''' - similar to a public IPv4 address, globally unique, Internet routable addresses. It can be configured statically or assigned dynamically. The current range is <span style="color: orange">'''2000::/3'''</span>		*'''Global unicast''' - similar to a public IPv4 address, globally unique, Internet routable addresses. It can be configured statically or assigned dynamically. The current range is <span style="color: orange">'''2000::/3'''</span>

			16 32 48 64 80 96 112 128
			\| \| \| \| \| \| \| \|
			2001:0db8:ac10:fe01:0000:0000:0000:0001/64
			\ \
			0010.0000.0000.0001 (...) 0000.0000.0000.0001
	[[File:Ipv6_global_unicast_address.png\|none\|left\|Ipv6_global_unicast_address]]		[[File:Ipv6_global_unicast_address.png\|none\|left\|Ipv6_global_unicast_address]]
	*'''Link-local''' - Link-local addresses are used to communicate with other devices on the same local link. With IPv6, the term link refers to a subnet. Link-local addresses are confined to a single link. Their uniqueness must only be confirmed on that link because they are not routable beyond the link therefore all router interfaces can can be configured with the same link-local address for easier the router identification. In other words, routers will not forward packets with a link-local source or destination address. They are from <span style="color: orange">'''FE80::/10'''</span> range <span style="color: orange">'''FE80 - FEBF'''</span> and also used by IPv6 routing protocols to exchange messages and as the next-hop address in the IPv6 routing table. When DHCPv6 or SLAAC (Stateless Address Autoconfiguration) is used, the link-local address will automatically be specified as the default gateway address.		*'''Link-local''' - Link-local addresses are used to communicate with other devices on the same local link. With IPv6, the term link refers to a subnet. Link-local addresses are confined to a single link. Their uniqueness must only be confirmed on that link because they are not routable beyond the link therefore all router interfaces can can be configured with the same link-local address for easier the router identification. In other words, routers will not forward packets with a link-local source or destination address. They are from <span style="color: orange">'''FE80::/10'''</span> range <span style="color: orange">'''FE80 - FEBF'''</span> and also used by IPv6 routing protocols to exchange messages and as the next-hop address in the IPv6 routing table. When DHCPv6 or SLAAC (Stateless Address Autoconfiguration) is used, the link-local address will automatically be specified as the default gateway address.

Pio2pio: /* Basic IPv6 router configuration */

2015-01-26T14:02:10Z

Basic IPv6 router configuration

← Older revision		Revision as of 16:02, 26 January 2015
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	= Basic IPv6 router configuration =		= Basic IPv6 router configuration =
	~~<code>~~Router(config-if)#ipv6 address 2001:dc9:bdbc:1::1/64~~</code> -~~ configure interface with ipv6 address/prefix		Router(config-if)#'''ipv6 address 2001:dc9:bdbc:1::1/64''' ! configure interface with ipv6 address/prefix
			Router(config)#'''ipv6 unicast-routing''' ! enables ipv6 routing
	~~<code>~~Router(config)#ipv6 unicast-routing~~</code> -~~ enables ipv6 routing		Router#'''show ipv6 interface brief'''
			Router#'''show ipv6 route'''
	~~<code>~~Router#show ipv6 interface brief~~</code>~~

	~~<code>~~Router#show ipv6 route~~</code>~~

	= Multicast IPv6 addresses =		= Multicast IPv6 addresses =

Pio2pio: /* Static IPv6 route configuration */

2015-01-10T19:46:22Z

Static IPv6 route configuration

← Older revision		Revision as of 21:46, 10 January 2015
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	= Static IPv6 route configuration =		= Static IPv6 route configuration =
	'''ipv6 route ::/0''' {''ipv6-address'' \| ''interface-type interface-number''}		Configure default static IPv6 route
			'''ipv6 route ::/0''' {''next hop ipv6-address'' \| ''interface-type interface-number''}

			Configure IPv6 static route. The next hop address can be either an IPv6 global or link-local address.
			'''ipv6 route''' ''ipv6-prefix/prefix-length'' {''next hop ipv6-address''\|''interface-type interface-number''}

			ipv6 route 2001:0DB8:ACAD:1::/64 2001:0DB8:ACAD:3::1
			ipv6 route 2001:0DB8:ACAD:2::/64 s0/0/1

	= References =		= References =
	*[http://www.iana.org/assignments/ipv6-address-space/ipv6-address-space.xhtml Internet Protocol Version 6 Address Space] IANA.org		*[http://www.iana.org/assignments/ipv6-address-space/ipv6-address-space.xhtml Internet Protocol Version 6 Address Space] IANA.org
	*RFC 6724 - Default Address Selection for IPv6 rules		*RFC 6724 - Default Address Selection for IPv6 rules

Pio2pio: /* References */

2015-01-10T19:36:54Z

References

← Older revision		Revision as of 21:36, 10 January 2015
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	Verify		Verify
	ipconfig		ipconfig

			= Static IPv6 route configuration =
			'''ipv6 route ::/0''' {''ipv6-address'' \| ''interface-type interface-number''}

	= References =		= References =
	*[http://www.iana.org/assignments/ipv6-address-space/ipv6-address-space.xhtml Internet Protocol Version 6 Address Space] IANA.org		*[http://www.iana.org/assignments/ipv6-address-space/ipv6-address-space.xhtml Internet Protocol Version 6 Address Space] IANA.org
	*RFC 6724 - Default Address Selection for IPv6 rules		*RFC 6724 - Default Address Selection for IPv6 rules

Pio2pio: /* References */

2014-12-10T19:04:56Z

References

← Older revision		Revision as of 21:04, 10 December 2014
Line 61:		Line 61:
	*FC00 to FCFF - Unique-local (a unicast address which can be assigned to a host to identify it as being part of a specific subnet on the local network)		*FC00 to FCFF - Unique-local (a unicast address which can be assigned to a host to identify it as being part of a specific subnet on the local network)
	*FF00 to FFFF - Multicast address		*FF00 to FFFF - Multicast address
			= Windows XP ipv6 =
			Install ipv6 stack
			ipv6 install
			Configure interface with ipv6 address, interface name "Local Area Connection"
			netsh interface ipv6 set address "Local Area Connection" 2001:db8:acad:1::3
			Verify
			ipconfig

	= References =		= References =
	*[http://www.iana.org/assignments/ipv6-address-space/ipv6-address-space.xhtml Internet Protocol Version 6 Address Space] IANA.org		*[http://www.iana.org/assignments/ipv6-address-space/ipv6-address-space.xhtml Internet Protocol Version 6 Address Space] IANA.org
	*RFC 6724 - Default Address Selection for IPv6 rules		*RFC 6724 - Default Address Selection for IPv6 rules