Extending Layer 2 Across Layer 3 With L2TPv3 Pseudo-Wires

Imagine one day your boss comes to you wanting to provide Internet access for a tenant in a distant building location that … [Read more...]

Time Warner Cable Ubee Modem: Auto-Negotiation Failure Results in Poor Internet Performance

CRC_and_input_errors_errors

Last week, I visited a client to test their Internet speed. The company is paying for a 35Mb/s down and a 5Mb/s upload speed. … [Read more...]

In the Lab: Review a Few IPv6 Routing Protocols and Encapsulating v6 in v4

Lab1-BaseTopology

I have pseudo-learned and forgotten some IPv6 mechanics over the past couple of years. I have re-visited this cycle recently, … [Read more...]

Pushing Packets the Last Mile

"The "last mile" or "last kilometer" is the final leg of delivering connectivity from a communications provider to a … [Read more...]

When IT Is Like Children’s Soccer

When I first starting working in IT more than a decade ago, I noticed an odd phenomenon. At the time, I worked at a major EDU … [Read more...]

Using L2TPv3 for Layer 3 VPNs

Deploying L3VPNs using MPLS is common in service provider and—more recently—in enterprise environments.  While not as … [Read more...]

Packet Over SONET: Good for Nothin’?

Here's a question: who uses Packet-Over-SONET interfaces and why the heck would you ever want to do that? At first glance, … [Read more...]

Extending Private Networks Into Your DataCenter

WAN-edge

So you have customers out in the world that have private networks.  Most of them have some kind of private VPN service from … [Read more...]

Internet-as-a-Service in an MPLS Cloud

Internet-as-a-Service

In this post we will look at an "Internet-as-a-Service" type solution in an MPLS infrastructure.  This is an all Juniper … [Read more...]