...EIGRP vs OSPF EIGRP or OSPF, one is not necessarily better, but rather just different. Both are tools you can use to solve a problem they’re well suited to solve. Unfortunately, nothing on either protocol goes into too much detail on why we would use one or the other. EIGRP is known widely as a proprietary protocol. So is it just a matter of using EIGRP with Cisco equipment and OSPF without? OSPF is pretty cool because it allows us to decide the path through the network by being aware of all links in a given logical topology. OSPF gives us a bit more control, seeing as each router knows about every other link in an OSPF area, allowing us to get really granular path selection. OSPF does require more resources on the device than most other protocols, such as the relatively light DUAL algorithm that sits behind EIGRP. So use OSPF when you have beefy equipment and EIGRP when you don’t. From what I’ve read Cisco will be allowing EIGRP to be used on non-Cisco equipment. That will make it more available to use. So now EIGRP may be kind of open and newer equipment is less affected by the power of OSPF. So back and forth we go. One thing where OSPF holds an advantage is the ability to see your route. With EIGRP it’s considered routing by rumor. EIGRP is able to summarize on any interface running EIGRP, and OSPF is only able to do this at Area Border Routers, or routers at that join multiple areas together. There are a couple ways of looking at this, but I’d like to make one very clear...
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...EIGRP Vs OSPF EIGRP - Is an advanced distance-vector routing protocol, with optimizations to minimize both the unstable route incurred after topology changes, as well as the use of bandwidth and processing power in the router. Routers supporting EIGRP will automatically redistribute route information to IGRP neighbors by converting the 32 bit EIGRP metric to the 24 bit IGRP metric. Most of the routing optimizations are based on the Diffusing Update Algorithm (DUAL) work from SRI, which guarantees loop-free operation and provides a mechanism for fast convergence. IGRP is created by Cisco. OSPF - Open Shortest Path First (OSPF) is a link-state routing protocol for IP networks. It uses a link state routing algorithm and falls into the group of interior routing protocols, operating within a single autonomous system (AS). OSPF is the most widely used interior gateway protocol (IGP) in large enterprise networks. OSPF is a trusted Cisco course-plotting method that creates managing big systems achievable. OSPF represents "Open Least Route 1st. inch this smallest journey would be the one particular with the cheapest. OSPF uses a metric to look for the volume of over head it'd price tag to be able to post info spanning a presented interface. This course-plotting criterion makes use of this specific metric to choose the most efficient journey in between resource and getaway. Determining your metric, or maybe price tag, yourself can be executed simply using a basic working out...
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...Unit 5 Assignment 1: Cisco Networks EIGRP versus OSPF EIGRP: Enhanced Interior Gateway Routing Protocol Is another routing protocol just like RIP and OSPF. EIGRP converges very quickly and it takes about the same time or not less than OSPF takes to converge, but without the negatives of OSPF. EIGRP’s benefit requires much less processing time, memory and less design than say OSPF. The downside with EIGRP is that it is Cisco-proprietary, so if an internet work areas uses non-Cisco routers it cannot be used on those routers. EIGRP is neither distance-vector nor link-state. Sometimes Cisco refers to EIGRP as an enhanced distance vector protocol but in some cases calls it a balanced hybrid routing protocol. EIGRP has some similarities to routing protocols but the differences far outweigh them. OSPF: Open Shortest Path First Is a link-state routing protocol for Internet Protocol (IP) networks. It uses a link state routing algorithm and falls into the group of interior routing protocols, operating within a single autonomous system (AS). It is defined as OSPF Version 2 in RFC 2328for IPv4. The updates for IPv6 are specified as OSPF Version 3 in RFC 5340 . OSPF is perhaps the most widely used interior gateway protocol (IGP) in large enterprise networks. IS-IS, another link-state dynamic routing protocol, is more common in large service provider networks. The most widely used exterior gateway protocol is the Border Gateway Protocol (BGP), the principal routing protocol between autonomous...
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...EIGRP OSPF Advanced Distance Vector Link State Dual algorithm SPF/Dijkastra Routes IP, IPX, Decnet, Appletalk Routes IP Metrics: Bandwidth, Delay, Reliability, Load, MTU Size Metric: Composite Cost of each router to Destination (100,000,000/interface speed) Hop Count: 255 Hop Count: None (Limited by Network) Variable Length Subnet Masks Variable Length Subnet Masks Summarization on Network Class Address or Subnet Boundary Summarization on Network Class Address or Subnet Boundary LSA Multicast Address: 224.0.0.10 LSA Multicast Address: 224.0.0.5 and 224.0.0.6 (DR/BDR) Don't Filter! Historical Significance EIGRP: • Developed by cisco in the 90’s to improve IGRP, which had a lot of room for improvement and it also is more simpler to configure (per Cisco) Historical Significance OSPF SPF: • Shortest path (least cost), making sure that routing loops don’t occur Significance of Interoperability: • It is a huge deal in today’s time as much data gets exchanged, and considering OSPF it supports new technology while EIGRP doesn’t. Sources: http://www.networkworld.com/article/2347622/cisco-subnet/eigrp-vs-ospf.html...
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...EIGRP vs OSPF IP Networking NT2640 Travis McCaig 05/07/16 Mr. M. G. Durazo Ed. EIGRP vs OSPF In this paper we will explore and compare EIGRP and OSPF protocols to determine if one might be better suited to a particular network. First I’ll explore their positive or negative features individually. Then I’ll do a more side-by-side comparison to see if there are more noticeable differences. Finally, I’ll make an informed decision on which protocol to choose based on network’s size, topology and more. EIGRP Enhanced Interior Gateway Routing Protocol or (EIGRP) is a protocol that lets routers exchange a copy of its neighbors routing tables. These tables are updated each time a new router comes online and EIGRP can detect changes in routes. It can do this marvelous feat by periodically sending a “hello” packet, that essentially responds an active or inactive result. If a router isn’t available EIGRP changes the route as well as updates the other neighboring routers. Finally, this protocol can consider distance and determine if a path is loop-free thereby determining most efficient route. OSPF Open Shortest Path First also called OSPF is a protocol that like EIGRP can exchange routing tables with neighbors with an added bonus. The bonus is that it creates a complete map of all networks and this is dubbed an Autonomous System or AS. This complete picture of the AS is also copied and shared but the advantage lies in the ability to manually manipulate routes for traffic...
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...EIGRP (Distance Vector) and OSPF (Link-State) Routing Protocol Comparison Prepared By Part 01 Literature Review Date April 15 2016 * Executive Summary For routers to be able to effectively and efficiently distribute data across a network they need to be programmed with the network topology. One method in which the network is "mapped" can be done by using routing protocols. The two main types of routing protocol are Open Shortest Path First (OSPF) and Enhanced Interior Gateway Routing Protocol (EIGRP). * * Project plan The study will be compromised of setting up two different network topologies and implementing the different routing protocols on each so that we can observe and record the positive and negative aspects of each protocol. * Literature review http://packetlife.net/blog/2008/oct/2/distance-vector-versus-link-state/ “There are two major classes of routing protocol: distance vector and link-state. It's easy to remember which protocols belong to either class, but comprehending the differences between the two classes takes a bit more effort.” EIGRP (Distance Vector) and OSPF (Link-State) Routing Protocol Comparison * Summary EIGRP and OSPF are routing protocols used to advertise routes in a network. EIGRP was a cisco proprietary protocol, and OSPF is an open standard industry protocol, which means it can be implemented with non-Cisco devices. Protocols are set of rules and regulations, routing protocols...
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...EIGRP Vs OSPF EIGRP - Is an advanced distance-vector routing protocol, with optimizations to minimize both the unstable route incurred after topology changes, as well as the use of bandwidth and processing power in the router. Routers supporting EIGRP will automatically redistribute route information to IGRP neighbors by converting the 32 bit EIGRP metric to the 24 bit IGRP metric. Most of the routing optimizations are based on the Diffusing Update Algorithm (DUAL) work from SRI, which guarantees loop-free operation and provides a mechanism for fast convergence. IGRP is created by Cisco. OSPF - Open Shortest Path First (OSPF) is a link-state routing protocol for IP networks. It uses a link state routing algorithm and falls into the group of interior routing protocols, operating within a single autonomous system (AS). OSPF is the most widely used interior gateway protocol (IGP) in large enterprise networks. OSPF is a trusted Cisco course-plotting method that creates managing big systems achievable. OSPF represents "Open Least Route 1st. inch this smallest journey would be the one particular with the cheapest. OSPF uses a metric to look for the volume of over head it'd price tag to be able to post info spanning a presented interface. This course-plotting criterion makes use of this specific metric to choose the most efficient journey in between resource and getaway. Determining your metric, or maybe price tag, yourself can be executed simply using a basic working out...
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...EIGRP and OSPF Comparison For Client Sponsor Prepared By Scott Hogg Project Number 02 Date March 14, 2002 |Distribution List | |Name |Title/Duties |Company | |John Vogt-Nilsen |Manager – Network Operations | | |Sammy Hutton |Principal Systems Analyst | | |Scott Hogg |Principal Consultant |Lucent | |Phil Colon |Managing Consultant |Lucent | |Revision History | |Version |Date |Author |Comments | |1.0 |03/14/2002 |Scott Hogg |Initial Draft | | | | | | |...
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...EIGRP and OSPF Comparison For Client Sponsor Prepared By Scott Hogg Project Number 02 Date March 14, 2002 |Distribution List | |Name |Title/Duties |Company | |John Vogt-Nilsen |Manager – Network Operations | | |Sammy Hutton |Principal Systems Analyst | | |Scott Hogg |Principal Consultant |Lucent | |Phil Colon |Managing Consultant |Lucent | |Revision History | |Version |Date |Author |Comments | |1.0 |03/14/2002 |Scott Hogg |Initial Draft | | | | | | |...
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...a remote router (or other network gateway) that the local router is configured to recognize. For each IP address, the routing table additionally stores a network mask and other data that specifies the destination IP address ranges that remote device will accept. Home network routers utilize a very small routing table because they simply forward all outbound traffic to the Internet Service Provider (ISP) gateway which takes care of all other routing steps. Home router tables typically contain ten or fewer entries. By comparison, the largest routers at the core of the Internet backbone must maintain the full Internet routing table that exceeds 100,000 entries and growing as the Internet expands. b. Routing Lookup Mechanism- c. Classful vs. Classless Routing- Classful Routing, which is sometimes called a classful network. If you are using a classful routing protocol then all of your networks are in different classes and are separated by a router. Remember that the useable IPv4 address ranges are divided into classes. Class A 1-126, Class B 128-191, and Class C 192-223. So when we talk about a classful routing protocol, it will only look at the IP address class and not the subnet mask. This is the problem; if you are using a classful routing protocol you cannot change the subnet mask in any of these networks. You have to use the default subnet mask, so an example is if you have a 172.16.X.X network the default subnet mask is a /16 or 255.255.0.0. So in short you can’t have different...
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...Expectations 5 Learning Objectives and Outcomes 6 Career Impact 6 INSTRUCTIONAL RESOURCES 7 Required Resources 7 Additional Resources 7 COURSE MANAGEMENT 9 Technical Requirements 9 Test Administration and Processing 9 Replacement of Learning Assignments 10 Communication and Student Support 10 Academic Integrity 10 GRADING 11 COURSE DELIVERY 13 Instructional Approach 13 Methodology 13 Facilitation Strategies 14 UNIT PLANS 15 Unit 1: The TCP/IP Model, LANs, WANs, and IP Networks 15 Unit 2: TCP/IP Network, Transport, and Application Layers 24 Unit 3: IP Subnetting and Basic Router Configuration 34 Unit 4: IP Routing with Connected, Static, and RIP-2 Routes 44 Unit 5: IP Troubleshooting and EIGRP 53 Unit 6: Subnet Design 62 Unit 7: Advanced IP Routing Topics and OSPF 69 Unit 8: Advanced IP Topics 79 Unit 9: LANs 88 Unit 10: WANs 98 Unit 11: Course Review and Final Examination 107 COURSE SUPPORT...
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...* CCNA Routing & Switching 200-120 * Chapter 1 – Understanding Networks and their Building Blocks * 1-1 Introduction to Networks * 1-2 Networking Types * 1-3 OSI Reference Model * 1-4 TCP/IP Model * 1-5 Ethernet Technologies and Cabling * 1-6 Cisco 3 Layer Model * 1-7 Summary * Chapter 2 – IP Addressing and Subnets * 2-1 IP Addresses – Composition, Types and Classes * 2-2 Private and Public IP addresses * 2-3 Subnetting * 2-4 Variable Length Subnet Masks (VLSM) * 2-5 Route Summarization * 2-6 Troubleshooting IP Addressing * Chapter 3 Introduction to Cisco Routers, Switches and IOS * 3-1 Introduction to Cisco Routers, Switches, IOS & the Boot Process * 3-2 Using the Command-Line Interface (CLI) * 3-3 Basic Configuration of Router and Switches * 3-4 Configuring Router Interfaces * 3-5 Gathering Information and Verifying Configuration * 3-6 Configuring DNS & DHCP * 3-7 Saving, Erasing, Restoring and Backing up Configuration & IOS File * 3-8 Password Recovery on a Cisco Router * 3-9 Cisco Discovery Protocol (CDP) * 3-10 Using Telnet on IOS * 3-11 CCNA Lab #1 * Chapter 4 Introduction to IP Routing * 4-1 Understanding IP Routing * 4-2 Static, Default and Dynamic Routing * 4-3 Administrative Distance and Routing...
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...6 – Presentation, Layer 7 – Application); TCP/IP model (Network Interface Layer, Internet Layer, Transport Layer, Application Layer [Also described as: Link Layer, Internet Layer, Transport Layer, Application Layer]) Classify how applications, devices, and protocols relate to the OSI model layers: MAC address; IP address; EUI-64; Frames; Packets; Switch; Router; Multilayer switch; Hub; Encryption devices; Cable; NIC; Bridge Explain the purpose and properties of IP addressing: Classes of addresses (A, B, C and D, Public vs. Private); Classless (CIDR); IPv4 vs. IPv6 (formatting); MAC address format; Subnetting; Multicast vs. unicast vs. broadcast; APIPA Explain the purpose and properties of routing and switching: EIGRP; OSPF; RIP; Link state vs. distance vector vs. hybrid; Static vs. dynamic; Routing metrics (Hop counts, MTU, bandwidth, Costs, Latency); Next hop; Spanning-Tree Protocol; VLAN (802.1q); Port mirroring; Broadcast domain vs. collision domain; IGP vs. EGP; Routing tables; Convergence (steady state) Identify common TCP and UDP default ports: SMTP – 25; HTTP – 80; HTTPS – 443; FTP – 20, 21; TELNET – 23; IMAP – 143; RDP – 3389; SSH – 22; DNS – 53; DHCP – 67, 68 Explain the function of common networking protocols: TCP; FTP; UDP; TCP/IP suite; DHCP; TFTP; DNS; HTTPS; HTTP; ARP; SIP (VoIP); RTP (VoIP); SSH; POP3; NTP; IMAP4; Telnet; SMTP; SNMP2/3; ICMP; IGMP; TLS Summarize DNS concepts and its components: DNS servers; DNS records (A, MX, AAAA, CNAME, PTR); Dynamic DNS Given...
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...Classful vs Classless Routing v1.10 – Aaron Balchunas 1 - Classful vs. Classless Routing Classful vs Classless routing protocols Classful routing protocols do not send subnet mask information with their routing updates. A router running a classful routing protocol will react in one of two ways when receiving a route: • If the router has a directly connected interface belonging to the same major network, it will apply the same subnet mask as that interface. • If the router does not have any interfaces belonging to the same major network, it will apply the classful subnet mask to the route. Belonging to same “major network” simply indicates that they belong to the same “classful” network. For example: • 10.3.1.0 and 10.5.5.0 belong to the same major network (10.0.0.0) • 10.1.4.5 and 11.1.4.4 do not belong to the same major network • 192.168.1.1 and 192.168.1.254 belong to the same major network (192.168.1.0) • 192.168.1.5 and 192.167.2.5 do not belong to the same major network. Take the following example (assume the routing protocol is classful): If Router B sends a routing update to Router A, it will not include the subnet mask for the 10.2.0.0 network. Thus, Router A must make a decision. If Router A has a directly connected interface that belongs to the same major network (10.0.0.0), it will use the subnet mask of that interface for the route. For example, if Router A has an interface on the 10.4.0.0/16 network, it will apply a subnet mask of /16 to the 10.2.0.0 network. If...
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...Section 1: Networking Concepts CompTIA Network+ N10-005: 1.1a – The OSI Model Through the years, the OSI model has been the fundamental model for networking. In this video, you’ll get an overview of the OSI model and a detailed breakdown of each of each OSI layer. CompTIA Network+ N10-005: 1.1b – The TCP/IP Model The OSI model isn’t the only model in town. In this video, you’ll learn about the TCP/IP model and how real-world applications are associated with each layer. CompTIA Network+ N10-005: 1.2 – The OSI Model in the Real World The OSI model is a useful reference, but how does it really work in the real world? In this video, we’ll investigate how the OSI model maps into an encrypted email conversation with Google Mail. CompTIA Network+ N10-005: 1.3a – Binary Math Calculating in binary is an important skill for any network professional. In this video, you’ll learn the fundamentals for converting between decimal and binary numbers. CompTIA Network+ N10-005: 1.3b – IP Classes The history of TCP/IP includes numerous changes in network technologies and subnetting. In this video, you’ll learn how the IP class-based numbering system was used in the past and how it’s used today. CompTIA Network+ N10-005: 1.3c – Classless Inter-Domain Routing CIDR-block addressing has added new flexibility to IP subnetting. In this video, you’ll learn about classless inter-domain routing and the notation used to designate a CIDR-block address. CompTIA Network+ N10-005: 1...
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