EIGRP

ENHANCED INTERIOR GATEWAY ROUTING PROTOCOL

CISCO
BALANCED HYBRID PROTOCOL
(DISTANCE VECTOR+LINK STATE)

COMPOSITE METRIC
COST
BANDWIDTH
RELIABILITY
LOAD
DELAY

LOAD BALANCING
255 HOP
MULTPLE PROTCOL SUPPORTED
IP,IPX,APPLE-TALK
SEPARATE  ROUTING TABLE IS DESIGN FOR IP,IPX,APPLE-TALK

USES BACKUP ROUTE DETERMINATION
USES RTP PROTOCOL FOR RELIABLITY

RELIABLE TRANSPORT PROTOCOL(RTP)
1: CREATING A LIST OF NEIGHBORS
2:SENDING MULTICAST PACKET
3:CREATING LIST OF NEIGHBOR THAT HAVE REPLIED
4:ADDED TO THE ROUTING TABLE
5:CREATING LIST OF NEIGHBOR THAT HAVE NOT REPLIED YET
6:SENDING THE UNICAST PACKET ONE BY ONE
7:IF REPLIED ,ADDED TO ROUTING TABLE
8:IF NOT REPLIED AFTER 16 TH UNICAST ,
8:DECLARED DEAD

NEIGHBOR DISCOVERY
    1: AS NO MATCH
    2: SIMILAR METRIC VALUES
      
  
CONVERGENCE IS VERY FAST
USES TRIGGERED  UPDATES
ALWAYS UPDATED ,NOT USE REGULAR UPDATES.
ROUTE UPADTE ONLY ON CHANGE
VLSM SUPPORTED
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