
How to configure EIGRP on Cisco router step by step?
Configure EIGRP On Cisco Router – EIGRP Configuration on Router 1. R1> enable. R1# show ip route connected. C 192.168.0.0/25 is directly connected, FastEthernet0/0. C 192.168.0.172/30 is directly connected, Serial0/0/0. R1# configure terminal.
How to set default route with EIGRP?
Use an offset-list on R4 to Modify the Composite Metric at R2
- Configure an offset-list on R4 that increases (by 20) the delay for any route starting with 10.1.3.x. ...
- You can see in this output that the offset-list does not change anything in the EIGRP topology table on R4. ...
- On R2, confirm that the route through R3 (10.1.2.3) is once again the only best path. ...
What is the difference between EIGRP, ARP and OSPF?
- Eigrp stands for Enhanced interior gateway routing protocol
- It uses dual ( diffuse update algorithm ) for reliability and choosing backup paths
- It is a Hybrid Protocol which is also known as? ...
- Administrative distance = internal (90) external (170) ( External Routes when the routes Redistributed in EIGRP it shows ad value 170 in Routing table )
What is feasible condition in EIGRP?
What is feasible condition in Eigrp? Feasibility Condition. The Feasibility Condition states that a route will not be accepted if the Reported Distance is more than the best path's Feasible Distance. Or said another way and from the perspective of the router: a path to a network will not be accepted if my neighbor's cost is more than my cost.

What is the multicast address used for EIGRP for IPv4 and IPv6?
EIGRP for IPv6, OSPFv3, and RIPng routing protocols use multicast addresses to communicate between router neighbors....Table 12-3. Well-Known Multicast Addresses.Multicast AddressMulticast GroupFF02::5OSPFv3 routersFF02::6OSPFv3 designated routersFF02::9Routing Information Protocol (RIPng)FF02::AEIGRP routers7 more rows•Oct 26, 2007
What uses a multicast address?
An IP multicast group address is used by sources and the receivers to send and receive multicast messages. Sources use the group address as the IP destination address in their data packets. Receivers use this group address to inform the network that they are interested in receiving packets sent to that group.
What is multicast IP address?
Multicast IP Routing protocols are used to distribute data (for example, audio/video streaming broadcasts) to multiple recipients. Using multicast, a source can send a single copy of data to a single multicast address, which is then distributed to an entire group of recipients.
What is the multicast address range?
The multicast addresses are in the range 224.0. 0.0 through 239.255. 255.255. Address assignments are listed below.
What multicast means?
Multicast is communication between a single sender and multiple receivers on a network.
Is an example of multicast address?
For example, the Routing Information Protocol (RIPv2) uses 224.0. 0.9, Open Shortest Path First (OSPF) uses 224.0. 0.5 and 224.0. 0.6, and Multicast DNS uses 224.0....Notable IPv4 multicast addresses.IP multicast addressDescriptionRoutable224.0.0.22Internet Group Management Protocol (IGMP) version 3No26 more rows
How do I find a multicast address?
Multicast addresses are identified by the pattern “1110” in the first four bits, which corresponds to a first octet of 224 to 239. So, the full range of multicast addresses is from 224.0. 0.0 to 239.255. 255.255.
What is difference between multicast and broadcast?
Definition. Broadcast or broadcasting is a method of transferring a message to all recipients simultaneously while multicast is a group communication where data transmission is addressed to a group of destination computers simultaneously. Thus, this is the fundamental difference between broadcast and multicast.
What is multicast and unicast?
A Unicast communication is from one device on the network to another device on the network. A MultiCast communication is from one device on the network to many, but not all, devices on the network. A Broadcast communication is from one device on the network to all devices on the network.
What port does multicast use?
On a typical home network there are a variety of protocols that use multicast. The SSDP (Simple Service Discovery Protocol) uses multicast address 239.255. 255.250 on UDP port 1900.
Does multicast use TCP or UDP?
UDPUnicast uses TCP (Transmission Control Protocol) for communications while Multicast uses UDP (User Datagram Protocol).
Can you ping a multicast address?
You can only ping, via multicast, hosts which are subscribed to the multicast group which you are pinging. You need to be careful about which multicast groups you use, and, in general, you should use multicast groups from the administratively scoped range of 239.0.
What is EIGRP in routing?
EIGRP uses the DUAL finite-state machine to tracks all routes advertised by all neighbors with the topology table, performs route computation on all routes to select an efficient and loop-free path to all destinations, and inserts the lowest metric route into the routing table.
Can EIGRP neighbors be neighbors?
EIGRP routers can become neighbors even if the Hello and hold time values do not match, in which the Hello and hold time intervals can be set independently on different routers. The EIGRP hold time has the same function as the OSPF dead time.
