by Ted Haubein | Dec 30, 2017 | IPv6, Routing, Tunneling
An automatic 6to4 tunnel allows isolated IPv6 domains to be connected over an IPv4 network to other isolated IPv6 networks. One of the key difference between automatic 6to4 tunnels vs manually configured tunnels is that the tunnel itself is not a Point-to-Point, but...
by Ted Haubein | Aug 3, 2016 | Pseudowire, Tunneling
Any Transport over MPLS Any Transport over MPLS or AToM in short is a method of encapsulating Layer 2 packets inside MPLS. Much like it’s cousin L2TPv3 it has the ability to transport any Layer 2 encapsulating such as PPP, Ethernet etc. AToM enables Service...
by Ted Haubein | May 8, 2016 | Pseudowire, Tunneling
Layer 2 Tunnel Protocol Version 3 It’s a standards based Layer 2 VPN / IP based protocol governed by the IETF ( RFC 3931 ) working group current version 3 as the name implies. Basically it allows you to extend ( stretching ) your LAN across the WAN much in the...
by Ted Haubein | Apr 14, 2016 | Routing, Tunneling
Basically Dynamic Multipoint VPN or DMVPN is a method of building dynamically secure overlay networks on top of an unsecured medium such as the Internet. There are of course Pros and Cons when it comes to building networks across the Internet. A couple of major Cons...
by Ted Haubein | Feb 19, 2016 | Tunneling
When it comes to policing or proxying corporate Web traffic there are a lot of options to choose from. The most common being client PAC files along with WCCP, and on premise proxy Servers or the like. The enforcement of Company policies, and restrictions around the...
by Ted Haubein | Jul 15, 2012 | Routing, Tunneling
Generic Routing Encapsulation or GRE for short provide a mechanism to transport packets of one protocol within another protocol usually TCP. The protocol that is carried across or encapsulated is referred to as the passenger protocol, and the protocol that is used for...