Gourt > Computers > Internet > Protocols > IP > IPv6 > Tunnel Broker
A Tunnel Broker is a service which provides a network tunnel. These tunnels can provide encapsulated connectivity over existing infrastructure to a new infrastructure.
There are a variety of Tunnel Brokers, though most commonly the term is used to refer to an IPv6 Tunnel Broker, as defined in RFC3053 These commonly provide IPv6 tunnels to endusers/endsites using either manual, scripted or automatic configuration.
In general Tunnel Brokers offer so called 'protocol 41' or proto-41 tunnels. These are tunnels where IPv6 is tunneled directly inside IPv4 by having in the IPv4 packet the protocol field set to '41' (IPv6). proto-41 tunnels don't always work happily together with NAT's, one way around this is to configure the actual endpoint of the tunnel to be the DMZ on the NAT-box. Another method is to either use AYIYA or Hexago's 6udp4 protocol, both of which are sending IPv6 inside UDP which is able to cross mosts NAT setups and even firewalls.
More on [ Tunnel Broker ]
IPv6 Tunnel Broker Setup on IOS router: My environment: Cisco 2801 router IOS version: 12.4(24)T1 Advanced Enterpr... http://bit.ly/6XeMdR
gnowynnad (Danny Wong) Sat, 05 Dec 2009 19:55:02 -0000
IPv6 Tunnel Broker Setup on IOS router: My environment: Cisco 2801 router IOS version: 12.4(24)T1 Advanced Enterpr... http://bit.ly/6XeMdR
AS8758 IPv6 Tunnel Broker - IPv6 tunnel broker for switzerland.
BTexact Tunnel Broker - BTexact free IPv6 Tunnel Broker Service, provides DHCP automatic tunnels and reverse delegation facility.
Meta Description: [ BT Exact IPv6 Tunnel Broker ]
FreeNet6 - Service provides IPv6 connectivity to the 6bone by tunneling over IPv4.
Meta Description: [ Hexago is a leader in IPv4 to IPv6 migration. Gateway6 network appliance tunnel broker allows efficient deployment of IPv6 over existing IPv4 networks. Browse Hexago product information, news, support page or our Ipv6 consulting services. ]
Hurricane Electric, Free IPv6 Tunnel Broker - Online Registration System. [6bone, USA]
Public 6to4 relay routers - Nick's list of public 6to4 relay routers.
Singnet IPv6 Tunnel Broker - Tunnel Broker with NAT and IPsec option.
Meta Description: [ Singnet IPv6 TunnelBroker for FreeBSD, Linux, Mac OS X and Windows with NAT and IPsec ]
The XS26 Project - Project provides a dynamic network of PoPs to provide a reliable IPv6 tunnels.
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