As we all work together through COVID-19, schools slowly start to reopen and progress is made to get things back to being as close to normal as possible, the classroom environments will unquestionably be adapting as well. Some institutions are setting distance learning in place until we can all safely come directly back to the […]
Overview Ipv6 is one of the most emerging technologies in networks. IPv4 addresses are almost exhausted and as such there is need for a new and better solution. In this chapter on IPv6, which is the last chapter of this CCNA training course we will look at the concepts behind this protocol, we will learn […]
Overview In the previous chapter, we learnt how NAT is important in helping devices in a network access the internet, we also looked at DHCP and how it helps in automatic ip configuration on hosts as well as the use of ACLs in filtering traffic in our networks. In this chapter, we will look at […]
Overview In the previous chapter, we saw how DHCP is useful in assigning ip addresses to hosts in a network. In this chapter, we will look at another important ip service that helps hosts access the internet. We will learn about, NAT operation and IPv4, and configure and troubleshoot NAT. NAT in today’s networks In […]
Overview Ip addressing is a very important job network administrators have to accomplish, configuring ip addresses on routers, and other devices can be a challenge especially when the number of devices is many. In this chapter, we will discuss a solution to ip addressing of hosts which is DHCP. We will look at the concepts […]
Overview In part one of this chapter, we looked at the ACL concepts, we discussed how they worked and we topped it off with configuration of standard ACLs. In part 2, we will discuss extended ACLs and other ACL concepts, we will then configure extended ACLs and finish off with troubleshooting ACLs. Extended ACLs With […]
Overview In the last chapter, we discussed network security and saw its importance in our networks. In this chapter, we will delve into the world of ACLs, in part 1, we will look at the ACL concepts as well as configuring standard ACLs. In part 2 of this chapter, we will continue with configuration but […]
Overview In the last chapter, we looked at frame relay and discussed its importance in the WAN. In this chapter, we will look at some network security concepts that are vital in today’s world. We will look at some of the risks as well as the ways we can secure our devices, we will also […]
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 […]