An IP Subnet Design Project Essay

IP SUBNET DESIGN PROJECT

Table of Contentss

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Executive Summary……………………………………………………….……………………3

Technical Network Details………………………………….………………… … ……………..3

Routing Summarization…..…………………………………………………………… … ….…5

VLAN Architecture…………………………………………… … … … … … … … … … … … … … … … ..6

Conclusion………………………………………………………………………….………… … 6

References…………………………………………………………………….……….……..…8

Executive Summary

With XUMUC’s bing web design which was originally created with the thought that it wouldn’t of even of become developed beyond the imaginativeness of the San Francisco regional offices. XUMUC has been late spread outing and the original architecture is no longer relevant and has led to a batch of extra disbursals. Therefore, XUMUC is in demand of an improved web design, one which will decrease the costs and cut down the web substructure. In other words, to relieve the current issue ; the web will hold to be redesigned from abrasion so that it will non merely take attention of XUMUC’s current demands, but besides pave the manner for future enlargement ( scalability ) in forestalling a similar issue from developing. The aim here is to supply XUMUC with the design ‘know how’ in associating to networking so if a similar issue arises in the hereafter they will understand how to trouble-shoot and work out these issues with more assurance and easiness. Once this web has been created and put in topographic point, it will hold the ability to be serviced from a distant station, addition traffic velocities, every bit good as being able to manage any extra traffic. The thought is to use more efficient tools and better web designs to make a safer plausible, dependable, and low-cost web.

Technical Network Details

XUMUC uses a inactive IP reference within its current web design. For them to maintain this apparatus would merely be a load doing the demand for a batch of unneeded operating expense. To work out this, we will merely hold to dynamically delegate IP references to each subnet. Within the Cisco IOS plan, we can modify the routers so that each part acts as its ain dynamic host constellation protocol ( DHCP ) waiter.

Another solution is a variable length subnet mask ( VLSM ) shall be utilised and recommended for this web accommodation. The subnet presently being utilized by the San Francisco part is using a 21 spot mask ; this mask by itself has no issues. However, with the increased regional traffic of XUMUC’s enlargement, the bitmask scene will be modified to a 20 spot mask. The ground why a 20 spot mask is being implemented is because it increases the IP web infinite turn toing efficiency, and gives us an ideal networking IP reference solution to manage the web size leting for usage of the network’s full potency. In order to forestall cachexia or widening IP references, we should get down with the biggest host needed. The VSLM can modify our subnets to suit the web by merely traveling ( adjust-consolidation ) the biggest host to the least or smallest host ; this is to forestall any incompatibilities within the web. For this design we will necessitate three local country webs ( LAN ) subnets along with two broad country web ( WAN ) subnets, and the biggest host required is to be stationed in the San Francisco part. Sing that the host needed is one 1000 two-hundred and 90 ; we’ll have to utilize eleven host spots ( 2^11-2 = 2046 hosts for each subnet ) . This will give us a amount of 12 spots for the 20 spot mask ; hence taking three of those spots which will be used to construction the primary set of subnets enabling in an IP scope of 172.16.0.1 to 172.16.7.254 ; which meets the demand of the host in the San Francisco part. Traveling on to the following biggest host ; we’ll use the 20 spot mask once more in which we’ll subnet even further. In the Denver Campus, which has the four-hundred and 41 host demand, we’ll take nine spots ( 2^9-2=510 hosts for each subnet. ) ; so take one spot to do the subnets. Then we will continue with this method until all of the demands are met harmonizing to the following tabular array:

Subnet

Size Req.

Sum

Allocated

Address

Dec Mask

Mask

Scope

Broadcast

San Francisco

1290

2046

172.16.0.0

/21

255.255.248

172.16.0.1 – 172.16.7.254

172.16.7.255

Denver Campus

441

510

172.16.8.0

/23

255.255.254.0

172.16.8.1 – 172.16.9.254

172.16.9.255

Houston Campus

329

510

172.16.10.0

/23

255.255.254.0

172.16.10.1 – 172.16.11.254

172.16.11.255

D-Remote Office 2

35

62

172.16.12.0

/26

255.255.255.192

172.16.12.1 – 172.16.12.62

172.16.12.63

D-Remote Office 1

28

30

172.16.12.64

/27

255.255.255.224

172.16.12.65 – 172.16.12.94

172.16.12.95

H-Remote Office 3

21

30

172.16.12.96

/27

255.255.255.224

172.16.12.97 – 172.16.12.126

172.16.12.127

Routing Summarization

We decided to utilize a manual routing summarisation so that we can manage the routing table size. The points of summing up are stationed at the Denver and Houston regional campus locations. The ground for summarisation is that it will better the web by minimising the size of the routing tabular arraies. This is done by change overing several paths into a individual path, cut downing the usage of holds needed to complete the undertaking ; which is better known as Classless Inter Domain Routing ( CIDR ) to be utilized. The six IP references in this map can be broken down into three references. The summarized paths of Houston and Denver campuses can be shown in the undermentioned chart below:

Subnet Location

Address

Address Mask

Route Summary

Drumhead Mask

San Francisco

172.16.0.0

/21

172.16.0.0

/21

Denver Campus

172.16.8.0

/23

172.16.8.0

/22

Houston Campus

172.16.10.0

/23

172.16.8.0

/22

Remote Office 2

172.16.12.0

/26

172.16.12.0

/25

Remote Office 1

172.16.12.64

/27

172.16.12.0

/25

Remote Office 3

172.16.12.96

/27

172.16.12.0

/25

VLAN Architecture

We will maximise our possible by doing full usage of the practical local country web ( VLAN ) at each location so that we can break pinpoint and direct the broadcast medium traffic and extinguish every bit much as possible. “Dividing a web into smaller logical webs consequences in lower susceptibleness to air storms. VLANs bring together all needed participants in a manner that makes pull offing a undertaking or working with a specialised application easier” ( Aber, 2004 ) . The usage of VLANs gives us a safer web every bit good as hiking overall velocities because it reduces the sum of broadcasts for every switch as VLANs are a great tool for trouble-shooting and offers simplifying and pull offing the web to be much more convenient.

XUMUC is a huge web which would make good in using a VLAN type of construction ; which features the four chief sections within XUMUC ; human resources, gross revenues, finance, and research. Besides, the dynamic trunking protocol, along with encapsulation, can be used so that we can spread out the VLAN to make throughout the whole integrated web.

Decision

Structuring a web with a hierarchical design is the primary end for a company to win. With a bit-by-bit scheme in developing a web, the design procedure becomes customizable and requires less care. In this instance, XUMUC being such a huge organisation, the attack we have taken simplifies the procedure of managing future trifles every bit good as necessitating fewer forces ( Admin ) to keep the web. The construction we have laid out here is really indispensable, and at the same clip it sustains a larger sum of traffic that may happen throughout a typical twenty-four hours at XUMUC. This design may be implemented even as their organisation expands and still be equal in the hereafter as good. Please take the undermentioned recommendations of the VLAN, CIDR, manual summarisation, and subnet mask alterations into consideration, thank you.

Mentions:

Aber, R. ( 2004, May 7 ) .Lake herring. Retrieved May 8, 2014, from Network Security Basics: hypertext transfer protocol: //www.ciscopress.com/articles/article.asp? p=170742 & A ; seqNum=2

Data, O. ( 2006 ) . A Strategic Case for Automated WAN Optimization.Network World, 15.

Johnson, A. ( 2011 ) .31 yearss before your CCNA test. Indianapolis, Ind. : Cisco Imperativeness

Oh, J. , Jang, J.-W. , & A ; Han, T.-D. ( 2000 ) . Overhead Decrease in the Network Communication for Web Computing.International Journal of High Speed Computing, 17.

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