A Presentation on rectifying Faults.

A Presentation on
rectifying Faults

Current Network Set Up

Improvements to be made
 Branching of the network among multiple switches needs to be reduced
to improve network performance [3].
 Efficient and unique network access is to be ensured for better
performance and meeting security needs.
 Security measures need to be put in place to prevent cyber attacks like
malware, hackers, denial of service and vulnerability exploits.

Security
 Security of the network from external
threats can be ensured by installing a
firewall [1].
 Firewalls prevent attackers from
causing exploits and help prevent
DDoS attacks.
 VLANs have been introduced to the
network manage access levels of
departments [2].
 VLANs also help in segmenting the
network.
 Segmentation in the network helps
isolate parts of network affected by
cyber attacks.

Internet
… …… …
Web + Email
Server
Engineerin
g File
Server
HR File
Server
Engineering
Accounts HR Administration ServersVLAN Access VLAN Access VLAN Access VLAN Access VLAN Access
Secured Connection
VLAN Trunks
Router
Firewall Device
VLAN Trunk
VLAN Trunks
Suggested Network
Design

IP Addressing
Dep
art
me
nts
IP
Nee
ds
IP
Alloc
ation
Networ
k
Addres
s
CI
DR
Subnet
Mask
Assigna
ble IPs
Broadc
ast
Addres
s
Eng 27 30
128.31.
57.0
/27
255.255.2
55.224
128.31.
57.1 -
128.31.
57.30
128.31.
57.31
Acc 19 30
128.31.
57.32
/27
255.255.2
55.224
128.31.
57.33 -
128.31.
57.62
128.31.
57.63
Ad
m
14 14
128.31.
57.64
/28
255.255.2
55.240
128.31.
57.65 -
128.31.
57.78
128.31.
57.79
HR
M
10 14
128.31.
57.80
/28
255.255.2
55.240
128.31.
57.81 -
128.31.
57.94
128.31.
57.95
Ser
ver
s
3 6
128.31.
57.96
/29
255.255.2
55.248
128.31.
57.97 -
128.31.
57.102
128.31.
57.103
Major IP network used by the firm
Soylent is 128.31.57.0/24
The major network must be broken
into four subnets for the four
departments [4].
The fifth subnet is to facilitate
network connectivity for the servers
A total of 94 IP addresses are
required

Conclusions
 This presentation successfully analyses the current network of Soylent
and identifies the improvements to be made.
 The security measures to added to the network are also discussed
before the improved network design is suggested.
 The IP addressing required for implementing VLANs within the network
then get discussed.

References
 [1] D.E. Bassey, J.C. Ogbulezie, and E.O. Effiom, Local Area Network (LAN)
Mock-up and the Prevention of Cybernetics Related Crimes in Nigermills
Company using Firewall Security Device. International Journal of Scientific &
Engineering Research, 7(3), pp.1124-1130. , 2016.
 [2] L. Yong, L. Dunbar, M. Toy, A. Isaac, and V. Manral, Use Cases for Data
Center Network Virtualization Overlay Networks (No. RFC 8151). , 2017.
 [3] T. Nelson, A.D. Ferguson, D. Yu, R. Fonseca, and S. Krishnamurthi, Exodus:
toward automatic migration of enterprise network configurations to SDNs.
In Proceedings of the 1st ACM SIGCOMM Symposium on Software Defined
Networking Research (p. 13). ACM. , 2015, June.
 [4] Y. Lee, H. Park, and Y. Lee, Ip geolocation with a crowd-sourcing broadband
performance tool. ACM SIGCOMM Computer Communication Review, 46(1),
pp.12-20. , 2016.

Thank You