What is the default delay in EIGRP?Ī FastEthernet interface has a default delay of 100 usec. The default K-Values are K1 and K3 set to one, and K2, K4, and K5 set to zero. What are the different K values used in EIGRP?Īs such, Cisco elected to only consider Bandwidth and Delay, and to weigh them equally, in their default EIGRP metric calculation. Lesson learned: Make sure both routers are on the same subnet. We can verify this by using the show ip eigrp neighbors command. Displays the neighbors discovered by EIGRP and the contents of the hello packets. A maximum of 11 packet types can be selected for individual or group display. Displays the types of EIGRP packets sent and received. For example, consider we are planning to use eight subnets of class B default network 172.16.ĭebug eigrp packets.
What is EIGRP summarization?Īuto summarization is a feature which allows Enhanced Interior Gateway Routing Protocol (EIGRP) to summarize its routes to their classful networks automatically. In the query process, queries are sent when the primary route is lost and no feasible successors are available. This process is called the query process, and it was briefly discussed in the previous few sections. What is query in EIGRP?ĮIGRP needs to actively search for the lost routes for fast convergence. Meaning, EIGRP stub routers are designed for very small branch office routers or for edges of the network. Stub routers in EIGRP, are nodes that are designed to be only directly connected to networks and are not designed to be in transit for the data plane. You can see from the output that interface Gig 0/1 on router R2 has a Hello timer of 5 seconds and a Hold timer of 15 seconds. We can see the configured Hello and Hold timer values for a router interface by issuing the show ip eigrp interfaces detail interface_id command, as shown in the example below. If the router does not receive a reply to ALL its outstanding queries it will put the route in SIA (Stuck in Active) state and will kill the neighbor adjacency. What is mean by Stuck in active in EIGRP?ĮIGRP is a reliable protocol and for each query a router sends to its neighbors it must get a reply in response within 3 minutes. What are the different K values used in EIGRP?.How do I remove an EIGRP configuration?.
What are the EIGRP hello and hold timer?.What is active and passive state in EIGRP?.What is mean by Stuck in active in EIGRP?.
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