EIGRP (Enhanced Interior Gateway Routing
Protocol) is a network protocol that lets routers exchange information over a
network.
protocol number - 88 , Multicast Address 224.0.0.10
Multicast Mac Address - 01-00-5E-00-00-0A
What is Distance vector?
You should read my previous post to know what it is.
You should read my previous post to know what it is.
Why EIGRP is called Distance vector Hybrid?
EIGRP Distance-vector properties include :
· An EIGRP
router only advertises its best route to its neighbour , not every route that
is aware of .
Like OSPF has info of the whole topology that’s why Cisco recommends that you not have an OSPF area
with more than 90-100 routers.
· An EIGRP
router does not have a complete map of the topology , it is only aware of what
its neighbours have told it ( routing by rumour ) Good for organization with
large amount of network.
EIGRP Link-state properties :
· An
EIGRP router does form neighbor relationships
· Triggered
updates. An update is only sent when a change in the topology occurs
EIGRP is a classless routing protocol
meaning that it will forward it neighbors subnetmask to other neighbors
This bad boy provides load balancing.
Could be manipulated in two ways either by changing the metrics or by using
Variance.
will talk more about eigrp in the next
post.