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ivan chill

How 802.11 Wireless Works: Wireless - 0 views

technet.microsoft.com/...cc757419(v=ws.10).aspx

wlan wifi apuntes teoría modos funcionamiento wireless works

shared by ivan chill on 03 Jun 13 - No Cached
  • functions as a bridge
  • An IBSS is also sometimes referred to as an ad hoc wireless network
  • single wireless AP supporting one or multiple wireless clients
  • ...8 more annotations...
  • The AP provides connectivity to the wired LAN
  • ESS is a set of two or more wireless APs
  • same wired network
  • DS is the logical component used to interconnect BSSs
  • roaming of STAs between BSSs
  • SSID is periodically advertised
  • maximum of nine members in an ad hoc 802.11 wireless network
  • Components of IEEE 802.1X Authentication
ivan chill

IPv6 - Ubuntu Wiki - 0 views

wiki.ubuntu.com/IPv6

ipv6 tutorial configuracion apuntes wiki ubuntu

shared by ivan chill on 29 Jan 13 - No Cached
  • problems with IPv4
  • Running out of addresses
  • hiding behind Network Address Translation (NAT)
  • ...22 more annotations...
  • Routing table were getting too large
  • IPv6 deals with these and many other issues: 128 bit address space
  • Each computer can have it's own globally routable address
  • packet sent to a unicast address arrives exactly at the interface belonging to the address.
  • Smaller routing tables
  • better geographic and more hierarchical allocation strategies
  • Background on IPv6 Addresses There are different types of IPv6 addresses: Unicast, Anycast and Multicast.
  • Unicast
  • no need for NAT in IPv6
  • Anycast addresses may only be used by routers.
  • Anycast
  • Multicast
  • will arrive at all interfaces belonging to the multicast group.
  • Reading IPv6 Addresses
  • 8 hexquad
  • third form
  • autoconfigured link-local address
  • Special IPv6 address ranges
  • fe80::/10
  • fe80:: 10 link-local Unroutable autoconfigured addresses used on a LAN, e.g. for DHCPv6
  • Tunneled IPv6
  • tunnel your IPv6 traffic to a compatible relay somewhere
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