How do you calculate EIGRP metric?
EIGRP uses these scaled values to determine the total metric to the network: metric = [K1 * bandwidth + (K2 * bandwidth) / (256 – load) + K3 * delay] * [K5 / (reliability + K4)]
What is the EIGRP formula?
EIGRP Metric = 256*(Bandwidth + Delay) Bandwidth = 10000000/bandwidth(i), where bandwidth(i) is the least bandwidth of all outgoing interfaces on the route to the destination network represented in kilobits.
How is EIGRP cost calculated?
Metric = 256*( Bandwidth +Sum of all Delay) The bandwidth is the lowest bandwidth between the source and destination and the delay is the cumulative interface delay along a path between source and destination.
What is metric in EIGRP?
EIGRP determines the value of the path using five metrics: bandwidth, load, delay, reliability and MTU.
How do you manipulate EIGRP metric?
R2 has 2 equal cost paths to network 192.168. 0.0/24 , 1st from interface fa0/0 and 2nd via interface fa0/1. Since Loopback0 of R1 has delay of 5000 Microseconds while Fa0/0 of R2 has delay of 1000 microseconds, hence Total DLY will be 1000 + 5000 = 6000 Microseconds.
What is EIGRP default metric?
Metric calculation is a critical component for any routing protocol. EIGRP uses multiple factors to calculate the metric for a path. Metric calculation uses bandwidth and delay by default but can include interface load and reliability, too.
What is metric value in EIGRP?
What is metric value?
A metric is a value that’s assigned to an IP route for a particular network interface. It identifies the cost that’s associated with using that route. For example, the metric can be valued in terms of link speed, hop count, or time delay.
How to calculate the EIGRP metric value?
Enhanced Interior Gateway Routing Protocol (EIGRP) consider the following network performance related attributes to calculate the EIGRP metric value. 1) Bandwidth 2) Delay 3) Reliability and 4) Load EIGRP Metric = 256* ( (K1*Bandwidth) + (K2*Bandwidth)/ (256-Load) + K3*Delay)* (K5/ (Reliability + K4)))
What is the EIGRP metric formula for K5?
Note: If K5 is set to zero, the last part of the EIGRP metric calculation formula (K5/ (Reliability + K4)) is taken as 1. Here we have two paths from Source Network to the Destination Network. Along Path 1 we have Fast Ethernet links (Bandwidth 100 Mbps) and along Path 2 we have Serial links (Bandwidth 1.544 Mbps).
How do you calculate EIGRP delay?
The delay value used in the EIGRP metric calculation is the delay in 10’s of microseconds. So to calculate the Delay value, simply divide the DLY in the show interface command by 10. For R4’s interface above, you would get: Delay = 100 usec / 10 = Delay Value of 10
What is the default EIGRP k value?
EIGRP Default Metric. Despite how flexible the cost calculation is, most implementations of EIGRP just rely on the default K-values for their metric. The default K-values consider only Bandwidth and Delay, and ignore Load and Reliability. There are two reasons Load and Reliability are not included in the default EIGRP metric: