EIGRP Study Notes

Features:
Advanced Distance Vector routing protocol.
DUAL Algorithm
Neighbor relations
Sends only incremantal updates
Unequal-Cost Load Sharing

Packet Types:
Hello
Update
Query
Reply
Ack

Neighborship Requirements:
Receive Hello from neighbor
AS Number must match
K values must match

Simplified Metric

            10^7            total delay
256 * ( ------------   +      in tens     ) 
        Min.BW(Kbit)      of microseconds

3 Tables
Neighbor
Topology
Routing

Feasibility condition :
For a route to be considered feasible successor, the FD > AD.

Commands
ip hello-interval eigrp as-number seconds
ip hold-time eigrp autonomous-system-number seconds
bandwidth
ip bandwidth-percent eigrp as-number percent
variance
eigrp stub { receive-only | connected | summary | static }
ip summary-address as-number address mask