[논문]5단계 시나리오에 기반한 VLAN이 적용된 네트워크 구현 및 검증 사례연구

김노환; 박진섭

doi:10.13067/jkiecs.2021.16.1.25

5단계 시나리오에 기반한 VLAN이 적용된 네트워크 구현 및 검증 사례연구
A Case Study of the Implementation and Verification of VLAN-applied Network Based on a Five-step Scenario 원문보기

한국전자통신학회 논문지 = The Journal of the Korea Institute of Electronic Communication Sciences, v.16 no.1, 2021년, pp.25 - 36

초록
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Broadcast traffic을 분산하는 라우터의 대체 솔루션으로 개발된 VLAN(Virtual LAN)은 물리적인 망과 무관하게 논리적으로 구성하는 가상 근거리 통신망으로, Broadcast domain을 분할하여 Broadcast traffic으로 인한 네트워크의 성능저하를 막을 수 있어 대역폭을 보다 효율적으로 사용할 수 있으며, 서로 다른 VLAN에 속한 장비들 간의 통신이 불가능하므로 보안 강화에도 도움이 된다. 본 논문은 학생들이 VLAN이 적용된 네트워크를 보다 쉽게 이해할 수 있도록 패킷 트레이서에 기반 한 토폴로지와 이를 구현하기 위한 5단계 시나리오 모델을 제안하였다. 또한 시나리오 별로 가상 망을 추가로 설계해 가면서 스위치와 라우터를 설정하고 ping/telnet/tracert test와 시뮬레이션을 통해서 VLAN의 다양한 기능들을 이해하고 검증하는 효율적인 구현사례를 제시하였다.

Abstract ▼ AI-Helper

This paper presents a topology based on packet tracer and a five-step scenario model to make it easier for students to understand the network on which VLANs are applied. Virtual LAN (VLAN), developed as an alternative solution to the Routers that distribute broadcast traffic, is a virtual local area network that logically configured regardless of the physical network. The VLAN prevents the network performance degradation resulting from the broadcast traffic by dividing the broadcast domain so that the bandwidth can be used more efficiently. In addition, it enhances the security because on communication between the devices belonging to different VLANs is impossible. The five-step scenarios in this paper presented an efficient implementation case for students to understand and validate the various functions of VLANs through ping/telnet/tracert test and simulation, after setting up each step of programming switches and routers in the virtual network.

주제어

표/그림 (23)

그림 Fig. 1 Design process of the proposed VLAN
그림 Fig. 2 Topology design
그림 Fig. 3 Implementation of virtual networks
그림 Fig. 4 Single Switch network
그림 Fig. 5 Switch script and confirm for Scenario-1
그림 Fig. 6 Results of ping test at PC1
그림 Fig. 7 Two Switches network
그림 Fig. 8 Telnet setting and connection
그림 Fig. 9 Switch script and native VLAN for Scenario-2
그림 Fig. 10 Result of ping test & ICMP for Scenario-2
그림 Fig. 11 Multi-Switches network
그림 Fig. 13 VTP settings and command results
그림 Fig. 12 Native VLAN script and trunk ports
그림 Fig. 14 Results of ping test and ICMP for Scenario-3
그림 Fig. 15 Single Router and multi-Switches
그림 Fig. 16 Router script and Switch2 trunk port
그림 Fig. 17 Results of ping tests and ICMP for Scenario-4
그림 Fig. 18 PDU information (tagged/untagged) for Switch0
그림 Fig. 19 Multiple Routers and multiple Switches
그림 Fig. 20 RIP routing protocol applied Routers
그림 Fig. 21 ipconfig /all command & port-security script
그림 Fig. 22 PC6 ping test and Switch3 port-security results
그림 Fig. 23 Results of ping test and ICMP for Scenario-5

AI 본문요약
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제안 방법

computer network course. Also, an efficient case of understanding and demonstrating the various functions of VLAN by designing additional virtual networks depending on the each scenario model, setting up the Switches and Routers, and providing a ping, telnet, tracert test and simulation.
However, these papers were limited to students' understanding and practical implementation of VLANs, so we designed a topology to assign IP addresses to each device with VLANs and to implement a common virtual network that programmed switches and routers. After setting up the switch and router, the simulation linking ping/telnet/tracert test provided an efficient validation case for each scenario with VLAN applied.
In this paper, we designed the topology for VLAN applications in Figure 1, and implemented a virtual network based on that topology, named VLANs and set Switches and Routers by scenario, and simulations such as ping test, telnet connection, and tracert test performed to verify each scenario.
The VLAN topology based on Packet Tracer and the five-step scenario model proposed in this paper make it easy for students to design and implement common virtual networks by scenario and setting up Switches and Routers, and the functions of VLANs can be easily verified through ping, telnet, tracert tests and simulations. Studying in steps according to the scenario, students can easily understand and verify the various functions that felt difficult in theoretical classes, thereby expecting good learning outcomes.
network. The main objective of this paper is to develop and present a model that simulates a step-by-step scenario that applies default VLANs, management VLANs, and native VLANs to make it easier for students to understand the concepts and behaviors of communication between VLANs, VTPs, and other VLANs.
The proposed scenarios help to understand the original functions of VLAN. Also The proposed scenarios help to study that scenario-1 sets PCs and access port, scenario-2 sets the trunk port, management and native VLAN, scenario-3 sets native VLAN and VTP for Switch, scenario-4 sets sub-interfaces and native VLAN for Router, and scenario-5 sets routing protocol and port-security.
This paper proposed a network topology based on packet-tracer and 5-step scenario model to implement it, making it easier for students to understand the VLAN-applied network covered in the computer network course. Also, an efficient case of understanding and demonstrating the various functions of VLAN by designing additional virtual networks depending on the each scenario model, setting up the Switches and Routers, and providing a ping, telnet, tracert test and simulation.
and complement them. To enhance the learning capabilities of students, each scenario needs to complement with network efficiency assessments and improvement measures that compare, analyze, and verify.
We will focus in this paper on presenting and validating step-by-step scenarios in which VLANs can simulate different VLANs, as they allow us to create structures of different logical networks without changing the physical structure of the Ethernet network. The main objective of this paper is to develop and present a model that simulates a step-by-step scenario that applies default VLANs, management VLANs, and native VLANs to make it easier for students to understand the concepts and behaviors of communication between VLANs, VTPs, and other VLANs.

참고문헌 (11)

I. A. Alimi and A. O. Mufutau, "Enhancement of Network Performance of an Enterprises Network with VLAN," American Journal of Mobile Systems, Applications and Services, vol. 1, no. 2, 2015, pp. 82-93.
B. Yu, D. Kim, and J. Kim, "Design and Analysis of Port Security for CISCO-VLAN," Conf. of The Korean Institute of Communications and Ingormation Sciencess, Seoul, Korea, Nov. 2016, pp. 363-364.
A. K. Singh and S. Singh, "Virtual local area network and Inter-VLANs Communication," Indian J. Edu. Inf. Manage, vol. 1, no. 9, Sept. 2012, pp. 425-429.
G. P. Pal and S. Pal, "Virtual Local Area Network(VLAN)," International Journal of Scientific Research Engineering & Technology (IJSRET), vol. 1, issue 10, Jan. 2013, pp. 006-010.
N. H. Prasad, B. K. Reddy, B. Amarnath, and M. Puthanial, "Intervlan Routing and Various Configurations on Vlan in a Network using Cisco Packet Tracer 6.2," International Journal for Innovative Research in Science & Technology, vol. 2, issue 11, Apr. 2016, pp. 41-57.
G. Thrivikram, "Implementation of Virtual LAN(VLAN) using Layer3 Switches," International Journal of Advance Research in Computer Science and Management Studie, vol. 4, issue 3, Mar. 2016, pp. 114-120.
J. Singh and A. Rani , "Implementation of College Network Scenario Module by Using CCNA," International Journal of Recent Development in Engineering and Technology (IJRDET), vol 3, issue 1, July 2014, pp. 203-207.
K. P. Maddipatla and S. Agarwal, "Limiting Traffic on Local Area Networks through Switch Port Security," International Journal of Advanced Research in Computer Science and Software Engineering (IJARCSSE), vol 5, issue 8, Aug. 2015, pp. 385-390.
R. O. Verma, "Effective Remote Management for Inter-VLAN Routing Networks," International Journal of Application or Innovation in Engineering & Management (IJAIEM), Special Issue for National Conference On Recent Advances in Technology and Management for Integrated Growth 2013, 2013.
E. Kim, "Development of Software Education Products Based on Physical Computing," J. of the Korea Institute of Electronic Communication Sciences, vol. 14, no. 3, June 2019, pp. 595-600.

원문보기 상세보기
M. Son, J. Kim, Y. Ju, J. Kim, and E. Kim, "Development of SW Education Convergence Science Curriculum-linked Experimental Automation Teaching Tool," J. of the Korea Institute of Electronic Communication Sciences, vol. 15, no. 5, Oct. 2020, pp. 967-972.

원문보기 상세보기

저자의 다른 논문 :

표제어: PCR

동의어: Packet Collision Rate

용어 설명 출처 목록 (6)

용어 설명: PCR은 세균 특이성이 있는 primer를 이용하여 적은 수의 세균이 있을지라도 쉽게 검출할 수 있는 유용한 방법이며, 이를 이용하여 구강 내 치면세균막이나 타액에서 직접 세균을 검출할 수 있게 되었다[8].

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