Is EIGRP a IGP or EGP?

IGPs include RIP, EIGRP, OSPF, and IS-IS. Exterior Gateway Protocols (EGP): Used for routing between autonomous systems. It is also referred to as inter-AS routing.

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What EIGRP packet type is used by EIGRP?

EIGRP uses hello packets in the discovery of neighbors. They are multicast to 224.0. 0.10. By default, EIGRP sends hello packets every 5 seconds (60 seconds on WAN links with 1.544 Mbps speeds or less).

What are the EIGRP packet types?

EIGRP sends out five different types of packets—hello, update, query, reply, and acknowledge (ACK)—that are used to establish the initial adjacency between neighbors and to keep the topology and routing tables current.

Is EIGRP UDP or TCP?

EIGRP does not operate using the Transmission Control Protocol (TCP) or the User Datagram Protocol (UDP). This means that EIGRP does not use a port number to identify traffic. Rather, EIGRP is designed to work on top of layer 3 (i.e. the IP protocol).

What is EIGRP protocol?

Enhanced Interior Gateway Routing Protocol (EIGRP) is a network protocol that enables routers to exchange information more efficiently than earlier network protocols, such as Interior Gateway Routing Protocol (IGRP) or Border Gateway Protocol (BGP).

What is difference between 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 a EIGRP Hello packet?

Hello packets are sent between EIGRP neighbors for neighbor discovery and recovery. If you send hello packets and receive them then EIGRP will form a neighbor relationship with the other router.

What is EIGRP query packet?

EIGRP Query Packets are used to ask for any routing update, requests an update. If a Successor fails, qith Query messages, a backup route is asked. EIGRP Query Messages are sent as Multicast to 224.0. 0.10 address.

Is EIGRP still used?

EIGRP is used mainly in Cisco only environments but even that is getting few and far between. Cisco said they made EIGRP open standard but I think that may be too late as OSPF is now globally adopted.

What type of protocol is EIGRP?

What are the 3 EIGRP tables?

EIGRP uses three tables: the neighbor table, the topology table, and the IP routing table. The neighbor table keeps state information regarding neighbors, and is displayed using the show ip eigrp neighbors command. EIGRP Update messages fill the routers’ EIGRP topology tables.

Is BGP IGP or EGP?

IGP vs EGP

OSPF, IS-IS, RIP and EIGRP are IGP Protocols. BGP is the only available EGP Protocol. The original intent of protocol designers was to use IGP within the boundaries of a network and EGP outside of these boundaries.

Is BGP an EGP?

The Border Gateway Protocol (BGP) is one of a family of IP Routing protocols, and is an Exterior Gateway Protocol (EGP) designed to distribute routing information between ASs.

What are the four basic components of EIGRP?

EIGRP has four basic components:

Neighbor Discovery/Recovery.
Reliable Transport Protocol.
DUAL Finite State Machine.
Protocol Dependent Modules.

What are the 5 types of OSPF packets?

Packet types for OSPF

Hello packet. This packet is sent by the OMPROUTED server to discover OSPF neighbor routers and to establish bidirectional communications with them.
Database description packet.
Link-state update packet.
Link-state request packet.
Link-state acknowledgment packet.

How do I set up an EIGRP stub?

SUMMARY STEPS.
enable.
configure terminal.
router eigrp autonomous-system-number.
network ip-address [wildcard-mask]
eigrp stub [receive-only] [leak-map name] [connected] [static] [summary] [redistributed]
end.
show ip eigrp neighbors [interface-type | as-number | static | detail]

Why EIGRP is faster than OSPF?

The network convergence time is faster than OSPF networks, because EIGRP network can learn the topology information and updates more rapidly. The performance of packet delay variation for EIGRP is better than for OSPF.

Should I use OSPF or EIGRP?

Both of them could be widely deployed in Internet Protocol (IP) networks for data communication. EIGRP is a popular choice for routing within small and big campus networks. While OSPF is the best choice when your network hardware devices come from various vendors.

How do I display the EIGRP routing table?

show ip route and show ip route eigrp for EIGRP Examples. To verify that the router recognizes EIGRP routes for any neighbors, use the show ip route eigrp command, as shown in Example 3-26. Example 3-27 exhibits the show ip route command, which displays the full IP routing table, including the EIGRP routes.

How many table EIGRP maintain?

three tables
Using the DUAL, EIGRP keeps track of three tables: neighbor table The neighbor table holds a list of all the routers EIGRP has established a neighborship with. topology table The topology table keeps track of the entire network topology.

Is MPLS IGP or EGP?

Yes, you still need to run IGP. IGP is a foundation of any MPLS network.

What is the area 0 in OSPF?

Backbone Area This is the central area in your OSPF routing domain which all areas must connect to. This area is labeled area 0 (or the longhand version 0.0. 0.0). When traffic needs to pass from one area to another, it must traverse the backbone.

What is Eigrp protocol?

What did BGP replace?

1989 – 1991: BGP-1, 2 and 3
In 1989, the Border Gateway Protocol (BGP, RFC 1105) was introduced as a successor to EGP. Note that BGP is also an exterior gateway protocol (EGP) as opposed to interior gateway protocols (IGPs) such as RIP and OSPF.

How do I configure EIGRP?

How do you configure EIGRP in the Cisco IOS?

Set the bandwidth on your interfaces using the bandwidth command.
Start the EIGRP routing process and specify your AS number.
Once you are through this stage, next step is to instruct the router in order to advertise the networks that are directly linked to it.

Is EIGRP a IGP or EGP?