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What are three features of Eigrp

Author

Emma Miller

Updated on April 07, 2026

Hybrid routing protocol (distance vector that has link-state protocol characteristics).Uses IP protocol 88.Classless protocol (supports VLSMs).Default composite metric uses bandwidth and delay.You can factor load and reliability into the metric.

What are the basic features of EIGRP?

  • Hybrid Distance Vector/Link State algorithm.
  • Supports VLSM (subnets/supernets)
  • Integrates seamlessly with IGRP. …
  • Fast convergence.
  • Performs Partial Updates as needed.
  • Consumes less bandwidth (no broadcasts, no periodic updates, updates contain only changes)
  • Supports multiple network layer protocols.

What is EIGRP configuration?

EIGRP (Enhanced Interior Gateway Routing Protocol) is an enhanced distance vector protocol that uses Diffusing Update Algorithm (DUAL) for shortest path calculation. Basic configuration enables EIGRP routing process and tells EIGRP which interfaces to include in routing process locally.

What is a benefit of EIGRP?

Benefits of EIGRP It makes use of link more effectively through (ECMP) Equal-Cost Multi-Path and unequal cost load sharing. It performs a much easier transition with a multi-address family. It supports both IPV4 and IPV6 networks. It provides encryption for security and can be used with iBGP for WAN routing.

What are the characteristics of OSPF?

  • Areas contain a group of contiguous hosts and networks.
  • Routers have a per-area topological database and run the same SPF algorithm.
  • Each area must be connected to the backbone area known as area 0.
  • Virtual links can be used to connect to area 0 in emergencies.

Why is EIGRP better than OSPF?

EIGRP converges faster than OSPF because it preserves optional successors in its topology map and can pass directly through optional subsequent relays if direct successors are not found. 5. EIGRP multicast address is 224.0. 0.10 and OSPF is 224.0.

What is the main difference between OSPF and EIGRP?

The main difference between these protocols is that EIGRP exchanges the complete routing information just one time when the neighbouring routes are established after that it only tracks the changes. On the contrary, OSPF keeps track of the whole topology database of all the connection in the database consistently.

What is the difference between EIGRP and BGP?

SR.NOEIGRPBGP1.EIGRP stands for Enhanced Interior Gateway Routing Protocol.BGP stands for Border Gateway Protocol.

What is an advantage of using EIGRP over RIPv2 over static route?

EIGRP. EIGRP or Enhanced Interior Gateway Routing Protocol is a hybrid distance vector protocol used to automate routing decisions. EIGRP is a superior version of RIPv2 that supports scalability and minimizes network traffic.

What is true EIGRP?

Explanation: EIGRP stands for Enhanced Interior Gateway Routing Protocol is a routing protocol designed by Cisco. It is available only on Cisco routers. Explanation: EIGRP metric is K-values which are integers from 0 to 128. They are used to calculate the overall EIGRP cost with bandwidth and delay metrics.

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What is EIGRP Geeksforgeeks?

Enhanced Interior Gateway Routing Protocol (EIGRP) is a dynamic routing network-layer Protocol which works on protocol number 88. EIGRP supports classless routing, VLSM, route summarization, load balancing, and many other useful features.

What is EIGRP number?

EIGRP uses its own IP protocol number (88) and uses multicast packets where possible; it uses unicast packets when necessary.

What is EIGRP Auto summary?

Auto summarization is a feature which allows Enhanced Interior Gateway Routing Protocol (EIGRP) to summarize its routes to their classful networks automatically.

What does Hello packet contain?

The HELLO packet body contains the network mask, hello interval, router priority, dead interval, designated router, backup designated router and a list of neighbors — the network mask, hello interval and dead interval must be the same for routers to establish adjacency: Network mask.

What information is included in an Eigrp topology table?

The topology table is where EIGRP stores the information for up to six alternate routes to a particular network. The backup routes are called feasible successors. The feasible successors stored in the topology table are what makes it possible for EIGRP to converge rapidly or even instantly.

What port does EIGRP use?

For example, IP is protocol number 4, ICMP is 1, EIGRP is 88, and OSPF is protocol number 89. IANA’s Web site offers a complete list of assigned protocol numbers.

What is delay in EIGRP?

Delay is the total measure of delay in the path, measured in tens of microseconds (μs). The EIGRP formula is based on the IGRP metric formula, except the output is multiplied by 256 to change the metric from 24 bits to 32 bits.

Is EIGRP Still Cisco proprietary?

EIGRP is a routing protocol that is proprietary to Cisco. Although Cisco submitted a portion of EIGRP to the IETF for consideration as a potential standard, the entire protocol has not been accepted as a standard and remains proprietary to Cisco.

Which is faster Eigrp or OSPF?

FeaturesEIGRP ProtocolOSPF ProtocolCPU RequirementsLower CPU and memory needsRequire high CPU and memoryEase of ImplementationEasy but no provision of auto-summaryComplicatedHierarchical DesignNoYesConvergence TimeFastSlow

What is IGP and EGP?

An interior gateway protocol (IGP) is a routing protocol that is used to exchange routing information within an autonomous system (AS). In contrast, an Exterior Gateway Protocol (EGP) is for determining network reachability between autonomous systems and makes use of IGPs to resolve routes within an AS.

What is RIP and OSPF?

RIP (Routing Information Protocol) is one of the oldest routing protocols in service, whereas OSPF (Open Shortest Path First) serves as the most widely adopted IGP for large enterprise networks. Network managers may find themselves in a dilemma when choosing between RIP vs OSPF.

Which two of the following are valid characteristics of EIGRP?

EIGRP Summary The characteristics of EIGRP follow: Hybrid routing protocol (distance vector that has link-state protocol characteristics). Uses IP protocol 88. Classless protocol (supports VLSMs).

What are the benefits of EIGRP compared to rip?

The main advantage of using RIP is it uses the UDP (User Datagram Protocol). 2. Enhanced Interior Gateway Protocol (EIGRP) : EIGRP stands for which allows router to share information to the neighboring routers which are within the same area.

Which of the following are features of RIPv2?

  • Distance-vector protocol.
  • Uses UDP port 520.
  • Classless protocol (support for CIDR).
  • Supports VLSMs.
  • Metric is router hop count.
  • Maximum hop count is 15; infinite (unreachable) routes have a metric of 16.
  • Periodic route updates sent every 30 seconds to multicast address 224.0.

What is the fastest routing protocol?

EIGRP is still the fastest protocol among all three. OSPF has a slightly longer initialization time compare to RIP and both OSPF and RIP has much longer initialization time than EIGRP.

What is the default metric for EIGRP?

Default Seed Metric Interestingly, both RIP and EIGRP have default seed metrics of infinity, meaning that any route redistributed into those routing protocols will be considered unreachable, by default, and therefore not advertised to any other routers.

What are LSA types?

  • Type1 is a Router LSA. All OSPF speaker types generate LSAs of this type. …
  • Type2 is a Network LSA. …
  • Type3 is a Network summary LSA. …
  • Type4 is the ASBR summary. …
  • Type5 is an external summary. …
  • Type7 is therefore written to the OSPF standard. …
  • Learn More:

Which operation feature is different between EIGRP and Rip?

Which operation feature is different between EIGRP and RIP? EIGRP uses periodic update timers. EIGRP has a metric of hop count. EIGRP stores all routes learned from neighbors in a topology table.

What are the states in EIGRP?

A Passive state indicates that a route is reachable, and that EIGRP is fully converged. A stable EIGRP network will have all routes in a Passive state. A route is placed in an Active state when the Successor and any Feasible Successors fail, forcing the EIGRP to send out Query packets and re- converge.

What is feasible distance in EIGRP?

Feasible distance (FD) – the metric of the best route to reach a network. That route will be listed in the routing table. Reported distance (RD) – the metric advertised by a neighboring router for a specific route. It other words, it is the metric of the route used by the neighboring router to reach the network.

What type of protocol is EIGRP?

What type of protocol is Enhanced Interior Gateway Routing Protocol? EIGRP is an enhanced distance vector protocol that evolved from Cisco’s IGRP.