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ivan chill

The CompuTech Group » HOWTO: Enable DHCP and NAT routing on Ubuntu (Hardy) Linux - 1 views

www.computechgroup.com/?p=480

src linux enrutador nat tutorial

shared by ivan chill on 27 Sep 11 - No Cached
  • sudo iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE sudo echo 1 > /proc/sys/net/ipv4/ip_forward
ivan chill

IPv6 - Ubuntu Wiki - 0 views

wiki.ubuntu.com/IPv6

ipv6 ubuntu wiki tutorial configuracion apuntes

shared by ivan chill on 19 Mar 12 - 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
  • no need for NAT in IPv6
  • 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
  • packet sent to a unicast address arrives exactly at the interface belonging to the address.
  • Anycast
  • Multicast
  • Anycast addresses may only be used by routers.
  • 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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