IP Addressing - Research Proposal Example

By creating VLAN it is possible to create smaller broadcast domains within layer 2 switched internetworks by assigning different ports on the switch to different sub-networks. A VLAN is treated like its subnet or broadcast domain, meaning that frames broadcast onto the network are only switched between the ports logically grouped within the same VLAN. A router is also needed in this network for inter-VLAN communication.     VLAN Trunk Protocol (VTP) is also useful in updating the databases of the switch with the VLAN information and on how trunking is applicable sending information from all VLANs across one link.

Thus VLAN helps in the network management in the following aspects 2.1 PLAN Before the new network was established IDLEWILD had the Wide Area Network. The network of IDLEWILD was put up with the WAN links to the new location in the Houston Region. IDLEWILD has 2 regions as San Francisco and Denver in the present meaning that the 2 regions were merged. The merging of the 2 regions caused a nightmare in managing the IP addresses of the 2 regions altogether. This is due to the reason that managing the IP address statically results in IP conflict and broadcasting.

This led to complications of slow network connection and the staff can hardly communicate. 2.2 PURPOSE    The main purpose of this project is to resolve broadcast by sub-netting and using VLAN. Subnetting allows the creation of multiple logical networks that exist within a single like Class A, Class B, and Class C. In this scenario of IDLEWILD, we are using a Class B network which we will subnet to have network 172.16.0.0. The natural mask is 255.255.0.0 or 172.16.0.0/16. Extending the mask to anything beyond 255.255.0.

0 means you are subnetting. When you subnet you will have the ability to create a lot more subnets than with the Class C network. 172.16.0.0 -   10101100.00010000.00000000.00000000 255.255.248.0 - 11111111.11111111.11111000.00000000                 -----------------| sub |----------- Using five bits from the original host bits for subnets will allow, to have 32 subnets (25). After using the five bits for sub-netting, 11 bits for host addresses will remain.

This allows each subnet to have 2048 host addresses (211), 2046 of which could be assigned to devices. Since San Francisco has 1290 hosts, this will allow each device to have its assigned IP using Dynamic Host Configuration Protocol (DHCP).  This will resolve the previous problem of IP conflict and broadcasting. VLAN VLAN is a switched network that is logically