AlexJ's Computer Science Journal

Monthly Archives: July 2010

[CCIELab] Frame Relay Switching

[Originally posted on] Frame Relay is still very much a popular subject in exams, labs and in the real networks. Any lab with topologies that run different protocols over FR must start with the layer 2 configuration of the Frame Relay switched network. FR Topologies like full mesh or hub and spoke require a […]

[CCIELab] Back-to-back Frame Relay

[Originally posted on] This is the simplest use of a Frame Relay encapsulation and it’s between two routers, without a Frame Relay Switch. PPP or HDLC would make more sense to use in these types of links, but it is useful in labs. In a back-to-back scenario is important to remember what the FR […]