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This document summarizes a key management protocol for ad hoc networks. It discusses: 1) Ad hoc networks have no infrastructure and are decentralized, with all nodes as peers. 2) Key challenges include implementing network services and security without a centralized authority. 3) The presented NSAUKDP protocol uses 5 phases - initialization, route request, key setup, authentication, and communication - to securely distribute symmetric keys between nodes to enable encrypted communication.
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1. An introduction of LAN.
2. An introduction of VLAN.
3. Properties of VLAN.
4. Types of VLAN.
5. VLAN Identification Method
6. VLAN Trunking Protocol.
7. Inter-VLAN routing.
Vlan
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VLANs provide several key advantages for network segmentation and security. It reduces broadcast traffic by sending broadcasts only within the relevant VLAN, rather than across the entire network. VLANs also enhance security by restricting each port and user to only communicate within their assigned VLAN, preventing unauthorized access. Additionally, implementing VLAN segmentation is often cheaper than using routers to segment networks into multiple broadcast domains.
Chapter 14 : vlan
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1) Analyze how a switch forwards frames based on VLAN configuration in a multi-switched environment.
2) Configure a switch port to be assigned to a VLAN based on requirements.
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5) Troubleshoot VLAN and trunk configurations in a switched network.
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7) Explain security best practices for a VLAN-segmented environment.
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appear to be on the same LAN despite their geographical distribution. A VLAN allows a network of
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appear to be on the same LAN despite their geographical distribution. A VLAN allows a network of
computers and users to communicate in a simulated environment as if they exist in a single LAN and are
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Abstract Mobile Ad Hoc Network(MANETs) is a wireless communications technology in which devices may move around. There is no fixed structure or network that all the participating nodes form. It is a very flexible network. These characteristicsof MANET make it very unsafe and prone to various attacks.Although many research focus on how to deliver packets fromone node to another, very less importance had been given tothe security. Current techniques of addressing security on thefixed structured wired network are only useful to protect thetransmitted message on the end nodes, the security of routinginformation among the mobile nodes in the hostile environmentwhere mobile Ad Hoc networks are usually used has beeninadequately addressed. Security and routing has been treatedseparately incase of wired network but that cannot be done inwireless network since routing itself can be a major reason fordata loss or theft if done in a casual manner making it prone toattack from malicious node.Hence the routing and security hasto be looked into as one and not separately. Making the routingsecured can make the MANET a more reliable network. We havemade the routing mechanism secured but extending Fuzzy logic toit. Fuzzy logic in deciding the route makes it less prone to attacksand thus ensuring enhanced security. The proposed scheme ofsecure routing will be demonstrated by using simulation on NS2. Keywords AODV, SAODV, Fuzzy Logic, Black holeattack.
3 deus leaflet wp3
The document discusses wireless sensor network challenges and solutions developed as part of the DEUS project. It aims to develop solutions that support heterogeneity, flexibility, and varying device capabilities. A modular sensor node architecture called IDRA is developed to deploy complex applications on resource-constrained sensors. A new MAC protocol called FlexMAC provides an adaptive L2 protocol for different devices and applications. A hybrid routing protocol called HYDRO combines centralized and distributed routing and uses IPv6 addressing. Enhancements are made to support quality of service for applications like voice calls.
CisCon 2018 - Overlay Management Protocol e IPsec
Relatore: Alessandro Legnani, Cisco CCIE e IP Network Architect di IT Global Consulting Srl
Sintesi e sinergia perfetta di un nuovo protocollo di routing (e non solo) con il caro vecchio e robusto IPsec (senza le problematiche ike). Perché inventarsi l’ennesima forma di tunnelig per il data plane?
Quanto sopra è la chiave del successo della soluzione sdwan Cisco/Viptela che la rende enormemente scalabile e unica sul mercato.
Networking Brief Overview
The document provides an overview of networking concepts including the OSI model, WAN technologies, convergence, wireless networking, and authentication methods. It describes the seven layers of the OSI model and technologies associated with each layer such as Ethernet and IP. It also discusses WAN options like leased lines, MPLS, and QoS mechanisms for prioritizing traffic. Wireless topics covered include frequencies, modulation, authentication, encryption, and next-generation centralized wireless network architectures.
Chapter 02 - Wan Router
This document discusses WAN standards organizations, router components, and how to connect various ports on a router. It identifies the ITU-T, ISO, IETF, and EIA as key standards bodies. It describes common router internal components like the CPU, RAM, flash memory, and interfaces. It provides instructions for connecting a PC to the console port using a rollover cable, and connecting WAN interfaces like serial ports.
Black Hole Detection in AODV Using Hexagonal Encryption in Manet’s
In MANETs (mobile ad hoc network), security is common problem and lack of issues in
MANET network. When comparing to wired network, MANETs are harmed to security attacks due to the
scarcity of a trusted centralized enforce authority and limited resources. This paper proposed a technique
to avoid Blackhole node behaviour in AODV (Ad Hoc On-Demand Distance Vector) using Hexagonal
Encryption inNS2. Hexagonal Encryption has been chosen for low cost and high computation speed up.
Compared to existing blackhole detection technique, this proposed technique obtains better result by
stimulating in NS2.
PERFORMANCE STUDIES ON THE VARIOUS ROUTING PROTOCOLS IN AD-HOC NETWORKS
Every protocol has its advantages and disadvantages in different scenarios. The choice of a routing protocol should be made carefully after considering every aspect we provided in this section (and possibly more).
Ccna (200 125)
Hello!
Welcome to our CCNA Training (R&S) 200-125 series in Urdu.
CCNA stands for Cisco Certified Network Associate. R&S means Routing & Switching. The Exam Code of this course in 200-125. It's the basic course of CCNA track. If you want to start any certification like CCNA Security then you must pass the exam of CCNA R&S first. The exam time of this course is 90-120 mints. Here 90 mints time is for English Speaking Person & 120 mints time for non-native speakers. Total Marks of Exam is 1000 & Passing mark is 860. Number of Questions in Exam is 55 to 65.
You can book the exam from Pearson testing service.
Here is the link of Exam website.
https://home.pearsonvue.com
EZXPRT an IT Trainnig Institute offers CISCO , Microsoft, Vmware, Huawei, Trainings in Rawalpindi, Lahore, Mirpur and Wah Cant campuses,
We offer ONLINE Live and Recorded Training's on demand and we provide services of Career Counseling, Motivation etc.
For more details you may contact
WhatsApp/Call :+923-23-4699123
shafqaat@ezprt.com
www.ezxprt.com
www.facebook.com/ezxprt
www.youtube.com/c/ezxprt
CCNA(R&S) By Ezxprt
EZXPRT an IT Trainnig Institute offers CISCO , Microsoft, Vmware, Huawei, Trainings in Rawalpindi, Lahore, Mirpur and Wah Cant campuses, We offer ONLINE Live and Recorded Training's on demand and we provide services of Career Counseling, Motivation etc.
.
CCNA stands for Cisco Certified Network Associate. R&S means Routing & Switching. The Exam Code of this course in 200-125. It's the basic course of CCNA track. If you want to start any certification like CCNA Security then you must pass the exam of CCNA R&S first. The exam time of this course is 90-120 mints. Here 90 mints time is for English Speaking Person & 120 mints time for non-native speakers. Total Marks of Exam is 1000 & Passing mark is 860. Number of Questions in Exam is 55 to 65.
You can book the exam from Pearson testing service.
Here is the link of Exam website.
https://home.pearsonvue.com
For more details you may contact
WhatsApp/Call :+923-23-4699123
shafqaat@ezprt.com
www.ezxprt.com
www.facebook.com/ezxprt
www.youtube.com/c/ezxprt
ccna networking ppt
it contains devices used in networking, companies manufactures of networking devices, routing protocols, etc ..
Opencontrail network virtualization
Opencontrail is network virtualisation software designed to enable virtual overlay networks in the datacenter.
A Survey on Secure Routing Protocol for Data Transmission in ad hoc Networks
The document summarizes research on secure routing protocols for data transmission in ad hoc networks. It discusses five main points:
1) It examines security threats to ad hoc routing protocols like AODV and proposes ARAN, an authenticated routing protocol that detects malicious actions through authentication, integrity checks, and non-repudiation.
2) It discusses implementing end-to-end security on mobile devices using the TLS protocol to secure transmissions.
3) It proposes OLSR, an optimized link-state routing protocol for large, dense ad hoc networks that reduces control packet sizes and flooding.
4) It develops a security mechanism using digital signatures and hash chains to secure AODV routing messages and
Routing protocols in Ad-hoc Networks- A Simulation Study
This document summarizes a study that simulated and compared several routing protocols for ad hoc networks using the Network Simulator 2 (NS-2). It began by describing ad hoc networks and reviewing related work comparing routing protocols. It then provided an overview of desirable routing protocol properties and described several prominent protocols in detail: DSDV, AODV, DSR, ZRP, TORA, IMEP, and CBRP. The document outlined the NS-2 simulator and the mobility extension used. It concluded by detailing the simulation methodology and modifications made to the AODV and DSR implementations in NS-2 to perform the comparative analysis.
Manet ppt
This document compares the AODV and DSR MANET routing protocols. It provides background on MANETs and categories of routing protocols. It then describes the key features of the AODV and DSR reactive protocols. The document outlines a methodology to simulate scenarios using these two protocols in NS2 and compare their performance based on throughput and packet delivery ratio. It proposes improving AODV security using cryptography for future work.
Robust Defense Scheme Against Selective DropAttack in Wireless Ad Hoc Networks
Robust Defense Scheme Against Selective DropAttack in Wireless Ad Hoc NetworksJAYAPRAKASH JPINFOTECH
Robust Defense Scheme Against Selective DropAttack in Wireless Ad Hoc Networks
To buy this project in ONLINE, Contact:
Email: jpinfotechprojects@gmail.com,
Website: https://www.jpinfotech.orgMobile ad hoc network
The document discusses mobile ad-hoc networks (MANETs). It provides an introduction to MANETs and their history. It describes different routing protocols for MANETs including reactive, proactive, and hybrid protocols. It discusses some problems with MANETs and applications of MANETs such as for business meetings. It proposes a solution for secure data transmission in MANETs and concludes with a comparison of MANET routing protocols.
Basic ccna interview questions and answers ~ sysnet notes
Routers forward data packets between networks while switches operate at the data link layer and forward packets within a local area network. Hubs simply broadcast all incoming data to all ports. The document provides answers to common CCNA interview questions about networking fundamentals like IP addressing, routing, switching, protocols and Cisco router components.
Kw2418391845
IJERA (International journal of Engineering Research and Applications) is International online, ... peer reviewed journal. For more detail or submit your article, please visit www.ijera.com
Zigbee Based Wireless Sensor Networks for Smart Campus
The document discusses simulations of Zigbee-based wireless sensor networks using different topologies with static and dynamic positioning of the Zigbee coordinator node. The simulations analyzed the effect on throughput and end-to-end delay. Results showed that a tree topology with a mobile coordinator had the highest throughput. A mesh topology, whether with static or dynamic coordinator, produced the lowest end-to-end delay. The document concludes that making the coordinator node mobile generally provides better network performance than a static coordinator configuration.
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Black Hole Detection in AODV Using Hexagonal Encryption in Manet’s
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Overview
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Pres
- 1. Key management in ad hoc networks Presenter : saleh abu rahmah Supervisor: Dr. iman almomani
- 2. Ad hoc network Is a wireless network. It is on flay with no Infrastructure, all nodes are peers. Ad hoc advantages - easy to deploy. - Many devices such as PDA, Mobile, Laptop can benefit such networks Challenges - implement the network services Layer wired Ad hoc Media Access CSMA/CD MACA MACAW Network Proactive protocols: DV (Rip), LS (OSPF). Reactive protocols: AODVP, DSR Transport TCP TCP over wireless - Security: it's not easy to implement a centralized CA. Any node can join the network.
- 3. RREQ RREQ AODV A B C D E F RREQ It is A reactive routing protocol used in ad hoc networks. What is the difference between the proactive and reactive routing Protocols?
- 4. Novel secure and authenticated key distribution protocol The NSAUKDP provide symmetric key distribution between the source and Destination, and any two adjacent nodes in the path. S A B D Ksd Ksa Kab Ksa Kab Kbd Ksd Ksb The protocol uses five phases 1- initialization 2- Route Request phase. 3- Key Setup phase. 4- Authentication phase. 5- Communication phase
- 5. The initialization phase The node have to register itself to a CA before being deployed in the Network as follow. A->T : IDA , KA+ T-> : [IPA ,KA+ ]KCA- ,KCA+
- 6. S A D Route Request key setup And authentication phase: HNS=H(NS ) PacketS=[IPS ,KCS- ]KS- ,KS+ SREQ=broadcast[IDD , IDS ,PacketS,HNS] B PacketA=,[PacketS, IPA ,KCA- ]KA- ,KA+ SREQ=broadcast[IDD , IDA ,PacketA,HNS] PacketB=,[PacketS, IPB ,KCB- ]KB- ,KB+ SREQ=broadcast[IDD , IDB ,PacketB,HNS] S A B KSD ,KBD PacketD=[KSD ]KS+ ,[KBD ]KB+ ,H[KSD :HNS] DREP=IDS,PacketD,H[KBD ] KAB PacketB=[KSD ]KS+ ,[KAB ]KA+ ,H[KSD :HNS] DREP=IDS,PacketB,H[KAB ] KAS PacketB=[KSD ]KS+ ,[KSA ]KS+ ,H[KSD :HNS] DREP=IDS,PacketA,H[KSA ]