Network Design and Configuration: Addressing, Routing, and Services

This assignment solution demonstrates the setup and configuration of a network, including IP addressing, routing using the OSPF protocol, and the configuration of essential network services. The solution details the configuration of routers, PCs, and a server, along with the implementation of DHCP for dynamic IP address assignment, a web server, and DNS service. The document also covers firewall configuration to control network traffic and includes testing of network connectivity using ping and traceroute commands. The successful completion of tasks verifies full network connectivity, DHCP service functionality, web server accessibility, and DNS resolution. References to relevant resources support the presented configurations and concepts.

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Task 1 - Setting up a Network
Network Topology
Configure the PCs, Server and Router interfaces with appropriate network addressing
Router 0 IP Addressing
Router 1 IP Addressing

PC 0 IP Addressing
Server 0 IP addressing

Configure any classless dynamic routing protocol on the routers
Routing refers to the redirection of data packets from a source to a destination. Routing can either be
dynamic or static. In static routing, a network specialist is required to configure every route on a router
manually. This is tedious since the network administrator is required to master every route that packets
have to follow. Where the network is large it becomes a challenge. In dynamic routing, a routing
protocol is configured o a router and the protocol will aid the router in the routing process. Sample
routing protocols include and are not limited to OSPF, RIP, EIGRP, BGP IS-IS etc. In our routing process,
we will make use of OSPF dynamic routing protocol. The configuration is as below;
Router 0
router ospf 2
network 192.168.17.0 0.0.0.3 area 2
network 192.168.16.0 0.0.0.255 area 2
end
copy run star

Router 1
router ospf 2
network 192.168.17.0 0.0.0.3 area 2
network 192.168.18.0 0.0.0.255 area 2
end
copy run star
(Empson, 2013)

On any client, ping the client's own network interfaces, then the local router gateway interface, then the
remote router interface, then the servers. Check full network conductivity
Pinging Client Own network interface
Pinging Local Gateway

Pinging remote router interfaces
Pinging the servers

The successful ping confirms the full connectivity.
Traceroute command

The traceroute command is used to tell the number of hops the packet encounters while on its towards
the destination. In our diagram above, we can see three hops are encountered by the packet towards
the server.
Task 2 - Configuring Network Services
DHCP Service configuration
Router configuration to enable DHCP service from remote site

Showing that the client PC has successfully received IP Addresses and other network parameters
(default gateway, subnet mask and DNS IP address) using DHCP
WEB Server: Configure WEBs server on the dedicated machines in their specified networks, with URL as
yourname.csu.org
WEB Service

DNS Service
Testing DNS Server by browsing yourname.csu.org from client PC

Firewall service configuration
Showing http traffic blocked