Tag: dhcp
DHCP Troubleshooting
Scenario: As one of the network engineers of the network you are responsible for all DHCP related configurations. In this scenario there is one DHCP server that is configured to supply IP addresses for the 192.168.12.0/24 and 192.168.23.0/24…
Read More »DHCP Snooping
Scenario: For this lab you need REAL hardware. You can’t use switches in GNS3! You need at least a Cisco Catalyst 3550 switch for this lab. One of your customers is being plagued by attacks on their switched…
Read More »DHCP Authorized ARP
Scenario: You work as a network engineer for a Hotel offering Internet access for a hourly rate. Recently you notice that some customers have been spoofing MAC and IP addresses to get free access by pretending they are…
Read More »DHCP Proxy
Scenario: You used to have a DHCP server for each VLAN but this wasn’t much of a scalable solution. You decide to get rid of all the DHCP servers and install a single DHCP server in the datacenter….
Read More »DHCP Server On-Demand Addres Pool
Scenario: Your network has many serial links running PPP. You heard some good things about DHCP and how you can create on-demand pools using IPCP. Let’s see if it works the way you expect… Goal: Configure both routers…
Read More »DHCP Relay
Scenario: You used to have a DHCP server for each VLAN but this wasn’t much of a scalable solution. You decide to get rid of all the DHCP servers and install a single DHCP server in the datacenter….
Read More »DHCP Server
Scenario: You are a trainee and studying for your CCNA certification. Your boss asks you if you can configure a DHCP server for some wireless clients. Confident as you are you take one of your routers and start…
Read More »AutoInstall using DHCP for Frame Relay
Scenario: You are the network engineer at a company specialized in creating virtual worlds. The last few months the company gained quite some new customers, for each customer a new router has to be installed and to save…
Read More »AutoInstall using DHCP for LAN Interfaces
Scenario: You are the network engineer at a company specialized in creating virtual worlds. The last few months the company gained quite some new customers, for each customer a new router has to be installed and to save…
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