Overview In part one of this chapter, we looked at the concepts behind frame relay operation. We discussed the role of the PVC’s, DLCI mapping, inverse ARP among other topics. In part two of this chapter, we will discuss more advanced frame relay concepts and finally look at the commands used to troubleshoot frame relay. […]
Overview In the previous chapter, we looked at PPP, we discussed how PPP worked and we said that it works at the data link layer, in this chapter, we will look at the final WAN topic in this course which is frame relay. In part 1, we will discuss the concepts behind frame relay operation […]
Introduction In the last chapter, we discussed some of the concepts that make the WAN work, we briefly described some of the protocols in the WAN. In this chapter, we will discuss serial links and the physical connections we use. We will then explore the default encapsulation on CISCO routers which is HDLC and finally […]
Introduction In the previous chapters, we have been primarily focused on LAN technologies, however, as an enterprise grows, so does its networking needs. Consider company ABC, they formed in 2010 in New York, however, over the last couple of years they have grown rapidly and they now have three branches, one in Los Angeles, Miami […]
Overview In our previous chapters, we have looked at the OSI and TCP/IP models in detail and explained how they aid in communication. All these concepts lead up to this chapter and beyond. In this chapter, we will learn how to plan our networks and look at the various cabling options to use in our […]