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RIP - Only for small networks or those with underpowered hardware that either don't support or don't have the resources for a better routing protocol.

IGRP - Basically outdated and supplanted by EIGRP. Again, useful if you can not use EIGRP due to router limitations.

EIGRP - Useful in Cisco-only networks of basically any size. EIGRP is an extremely robust and efficient protocol that suits nearly any need other than inter-organization routing.

OSPF - Useful everywhere. It's standardized, so it's not limited to a particular vendor. Most appropriate in large multi-vendor networks. It has a higher CPU load than EIGRP does, and it requires more granular control from an administration perspective.

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Q: What is the best situation for each routing protocol RIP IGRP EIGRP OSPF?
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Which routing protocol is cisco proprietary?

Note, EIGRP is no longer proprietary. See RFC 7868 -d


Why is IGRP no longer supported on the new Cisco IOS?

EIGRP (Enhanced IGRP) has replaced IGRP. With the way EIGRP is set up as a protocol it is possible to implement a newer router that only supports EIGRP into a network that is running IGRP. Honestly network admins should be pushing for EIGRP if they are still on IGRP as for many features and advantages EIGRP has over IGRP. Directly from Cisco.com: "Enhanced IGRP provides compatibility and seamless interoperation with IGRP routers. An automatic-redistribution mechanism allows IGRP routes to be imported into Enhanced IGRP, and vice versa, so it is possible to add Enhanced IGRP gradually into an existing IGRP network." EIGRP:Enhanced Interior Gateway Routing Protocol IGRP: Interior Gateway Routing Protocol *IGRP and EIGRP are both Cisco proprietary routing protocols.


The igrp protocol is a which protocol?

IGRP is Interior Gateway Routing Protocol, enhanced by Cisco proprietary Enhanced IGRP.


Is OSPF a classful or classless link-state routing protocol?

OSPF is a classless link-state routing protocol. RIP version 1 and IGRP are both classful distance vector routing protocols, EIGRP is a hybrid protocol that supports classless addressing.


Which two factors are important when deciding which interior gateway routing protocol to use?

We use igrp in a autonomous system and we use eigrp between two autonomous systems.


Types of routing protocols?

There are two types fo routing protocols one is EGP(Exterior gateway protolcol) and another is BGP( Border gateway protocol), BGP includes RIP,IGRP,EIGRP and OSPF. Pankaj Barthwal


Which three routing protocols are distance vector routing protocols?

Routing Information Protocol (RIP) and Interior Gateway Routing Protocol (IGRP) are two very popular Distance Vector routing protocols


What is most familiar protocol to you?

There are various protocols ftp: file transfer protocol smtp: simple mail transfer protocol pop3: post office protocol ip: internet protocol tcp: transmission control protocol ospf: open shortest path first igrp: interior gateway routing protocol eigrp: enhanced interior gateway routing protocol rip: routing information protocol http: hyper text transfer protocol udp: user datagram protocol icmp: internet control message protocol


What are some true statements concerning the advantages of a distance vector protocol?

Distance Vector Protocol is a simple routing protocol.It uses distance or hop count as the primary metric when determining the best forwarding path.RIP, IGRP and EIGRP are examplesIt dates back to the ARPAnet network in the early 1970


How do igrp and eigrp differ in their metric calculation?

IGRP and EIGRP use the same metric calculation, but EIGRP's metric value is multiplied by 256 to give it more granularity in its decision making.


What protocol would you select if there is only one network route to a remote network?

EIGRP I think would be the better choice in my opinion.RIP - Only for small networks or those with underpowered hardware that either don't support or don't have the What_is_the_best_situation_for_each_routing_protocol_RIP_IGRP_EIGRP_OSPFfor a better routing protocol.IGRP - Basically outdated and supplanted by EIGRP. Useful if you cannot use EIGRP due to router limitations.EIGRP - Useful in Cisco-only networks of basically any size. EIGRP is an extremely robust and efficient protocol that suits nearly any need other than inter-organization routing.OSPF - Useful everywhere. It's standardized, so it's not limited to a particular vendor. Most appropriate in large multi-vendor networks. It has a higher CPU load than EIGRP does, and it requires more granular control from an administration perspective.


What is the code for IGRP in the routing table?

Code for IGRP: I CCENT Ankur


What is the difference between distance vector and link-state routing protocol?

The distance vector routing protocol and link state routing protocol both are in dynamic routing protocol. The distance vector routing protocol uses no. of hops for the finding the best route while link state routing protocol uses bandwidth (cost) of the link for the finding best route . The cost will be calculated by [10(8)/bandwidth of the link] Distance vector routing has limited hop count Link state routing has unlimited hop count. The RIP ,IGRP fall under category of distance vector routing protocol. while OSPF is of link state routing protocol. Hitesh Pardeshi


Classless vs class full addressing?

CLASSFUL ROUTING PROTOCOL. It means it will not carry the routing mask information while routing updates or routing advertisements. it will carry just only the ip-address information's. It will assume just default mask information's. Example : class-A 255.0.0.0 Class-B 255.255.0.0 Class-C 255.255.255.0 So classful routing protocols will not support the VLSM and Supernetting Example of classful routing protocols is 1. RIP V1 2. IGRP CLASSLESS ROUTING PROTOCOL These kind of routing protocols will carry the subnet mask information's while doing the routing updates or routing advertisements. So it will support the VLSM and Supernetting, also support noncontiguous networks Example RIP V2 EIGRP OSPF CLASSFUL ROUTING PROTOCOL. It means it will not carry the routing mask information while routing updates or routing advertisements. it will carry just only the ip-address information's. It will assume just default mask information's. Example : class-A 255.0.0.0 Class-B 255.255.0.0 Class-C 255.255.255.0 So classful routing protocols will not support the VLSM and Supernetting Example of classful routing protocols is 1. RIP V1 2. IGRP CLASSLESS ROUTING PROTOCOL These kind of routing protocols will carry the subnet mask information's while doing the routing updates or routing advertisements. So it will support the VLSM and Supernetting, also support noncontiguous networks Example RIP V2 EIGRP OSPF


Which command displays a summary of IGRP routing activity?

- debug ip igrp events


Which command displays summay information of IGRP routing messages?

debug ip igrp events


What is difference between switching and routing?

Routing helps to travel data packets to the appropriate destinaion with the help of routing protocols like RIP,IGRP,EIGRP,OSPF.This protocols stores routing information in the routing tables. Switching is used to forward data packets to its destination. There are 3 types of witching that are cut through, store and forward .


What are the types of protocols?

routing protocol: helps to find the best path to transfer the packets from one network to diffrent network example: rip: routing information protocol igrp, ospf...... routed protocol: helps to carry the packets to the destination. example: smtp : transfer the mails ftp : transfer the files.


Routers in medium-sized networks use blank as a routing protocol whereas routers in small networks commonly use blank.?

Igrp,rip


What are the dynamic routing protocols?

Rip. Igrp. Ospf.


What types of routing protocols allows routers to exchange information about best paths with their neighboring routers only?

That would be a distance-vector routing protocol. Examples (taught at Cisco Academies) include RIP, IGRP (obsolete in the new version of the curriculum), and EIGRP - but those are only for IP, and there are also distance-routing protocols for other networking protocols, for example, RIP for IPX.


What is ip routed and ip routing protocol?

Routing protocols implement algorithms that tell routers the best paths through internetworks. Routing protocols include Border Gateway Protocol (BGP), Interior Gateway Routing Protocol (IGRP), Routing Information Protocol, and Open Shortest Path First (OSPF) to name a few. Routing protocols provide the layer 3 network state update. Routed Protocols are transported through a network, such as Internet Protocol (IP), Novell Internetwork Packet eXchange (IPX), and AppleTalk.In short, routing protocols route datagrams through a network. Routing is a layer 3 function, thus, routing and routed protocols are network-layer entities. Routing tables on the layer 3 switch (router) are populated by information from routing protocols. A routed protocol will enter an interface on a router, be placed in a memory buffer, then it will be forwarded out to an interface based on information in the routing table.


What is an autonomous system and what routing protocols operate within an autonomous system?

An autonomous system is a group of networks under the same management domain using an interior gateway protocol such as OSPF. Internetworking with Cisco and Microsoft Technologies pg. 308 Interior gateway protocols: IGRP, RIP, OSPF, EIGRP Internetworking with Cisco and Microsoft Technologies pg.295-296


Which routing protocols use a distance-vector algorithm?

IGRP and RIP


How is IGRP similar to RIP?

Interior Gateway Routing Protocol (IGRP) IGRP is a distance-vector interior gateway protocol (IGP). Distance-vector routing protocols call for each router to send all or a portion of its routing table in a routing-update message at regular intervals (every 90 seconds) to each of its neighboring routers. As routing information proliferates through the network, routers can calculate distances to all nodes within the internetwork. IGRP uses a combination (vector) of metrics. Internetwork delay, bandwidth, reliability, and load are all factored into the routing decision. Network administrators can set the weighting factors for each of these metrics. IGRP uses either the administrator-set or the default weightings to automatically calculate optimal routes.Routing Information Protocol (RIP) The Routing Information Protocol (RIP) is a distance-vector protocol that uses hop count as its metric. RIP is widely used for routing traffic in the global Internet and is an interior gateway protocol (IGP), which means that it performs routing within a single autonomous system. RIP only uses hop count to determine the best route to a remote network, RIP has a maximum hop count of 15, 16 is deemed unreachable. RIP works well in small internetworks, but is inefficient for large networks. RIP is susceptible to all the problems normally associated with distance vector routing protocols. It is slow to converge and forces routers to learn network information only from neighbors. RIP version 1 uses classful routing (all devices in the network must use the same subnet mask because RIP version 1 doesn't send updates with subnet information). RIP version 2 uses classless routing and does send subnet mask information with route updates. RIP networks need the same hop count to load balance multiple links.