How does Eigrp calculate metric?
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.
Why do we need IGP in BGP?
The IGP is used to establish the BGP session (TCP session) and to resolve the BGP next hop. eBGP, on the other hand, is generally configured using the directly connected interface address.
Can OSPF and BGP work together?
BGP and OSPF work together in a network to provide reachability (that is, routing) information to routers about networks outside the OSPF network. In a provider network, BGP populates the routing table, with the address of the eBGP neighbor, as the next hop for routes to exterior autonomous systems.
What are the 3 EIGRP topology tables?
EIGRP uses three tables: the neighbor table, the topology table, and the IP routing table. The neighbor table keeps state information regarding neighbors, and is displayed using the show ip eigrp neighbors command. EIGRP Update messages fill the routers’ EIGRP topology tables.
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What is the EIGRP metric for this peer advertised?
The first number (409600 for the 192.168.1.1 peer) is the EIGRP metric that represents the cost to the destination. The second number (128256) is the EIGRP metric that this peer advertised. To determine the variance multiplier value, you can use the formula below:
How does the EIGRP protocol work?
The EIGRP protocol allows unequal-cost load balancing. This means that EIGRP allows traffic to be spread across links with different speeds. By default, EIGRP allows load balancing across four links. You can see this in the output of the show ip protocols command below: