What is active and passive state?

What is active and passive state?

An operational route’s normal condition is known as ‘Passive State’. The router will not seek to replace a lost route, when it is in the normal condition. A router states is said to be ‘Active State’, when the feasible successor is not found.

What is passive EIGRP?

To prevent this from happening, we will use the passive-interface command. This will ensure that the network is advertised in EIGRP but it will disable hello packets on the interface. Another trick to advertise something in EIGRP without sending hello packets on the interface is using the “redistribute” command.

What are the states in EIGRP?

A Passive state indicates that a route is reachable, and that EIGRP is fully converged. A stable EIGRP network will have all routes in a Passive state. A route is placed in an Active state when the Successor and any Feasible Successors fail, forcing the EIGRP to send out Query packets and re- converge.

What is stuck in active state in EIGRP?

EIGRP is a reliable protocol and for each query a router sends to its neighbors it must get a reply in response within 3 minutes. 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 passive state?

Passive State. A state of a substance in virtue of which it is unattacked by a solvent which ordinarily would dissolve or attack it.

What active state means?

the condition in which muscle exists immediately before and during contraction which makes it nonextensible.

What is an active interface?

Primarily active interfaces are used as active mounts or where bolted joints are applied. In both cases, either the impedance of the mounting or joint can be adjusted actively or a statically hard but dynamically soft spring can be designed. 10.11. Principle of an active interface.

What is variance in EIGRP?

EIGRP provides a mechanism to load balance over unequal cost paths throungh Variance Command. Variance is a number (1 to 128), multiplied by the local best metric then includes the routes with the lesser or equal metric. The default Variance value is 1, which means equal-cost load balancing.

What does the passive state in the EIGRP topology table signify?

Passive is the operational state for a route. a. The RD is the EIGRP metric for a neighbor routerto reach a particular network.

What is query in EIGRP?

The EIGRP Query message contains the destination IP network in question with a “Destination Unreachable” message (infinite metric). The EIGRP neighbors receiving the Query must immediately unicast back an Acknowledge message to simply acknowledge the Query was received, but still owing a Reply.

What is successor and feasible successor in EIGRP?

A successor is the route with the best metric to reach a destination. That route is stored in the routing table. A feasible successor is a backup path to reach that same destination that can be used immediately if the successor route fails.

What does it mean when EIGRP is in active state?

When a EIGRP connection is in the ‘active’ state it means the adjacency is not formed and it is currently calculating best paths etc. There is such thing as stuck in active, whereby the router has no received the relevant responses in time. More information can be found at this thread:

How does the EIGRP passive interface command affect my network?

If your network is live, make sure that you understand the potential impact of any command. With EIGRP running on a network, the passive-interface command stops both outgoing and incoming routing updates, since the effect of the command causes the router to stop sending and receiving hello packets over an interface.

What is a passive state in a router?

A passive state is a state when the router has identified the successor (s) for the destination. The destination changes to active state when the current successor no longer satisfies the feasibility condition and there are no feasible successors identified for that destination (i.e. no backup routes are available).

What state will the router be in when it forms EIGRP?

Other routing protocols like EIGRP do not define a series of states that the router will be in as it forms its neighbor relationship. Since EIGRP does not define states then the question of what state the router will be in while it forms its neighbor relationship does not have any valid answer. 06-06-2016 07:49 AM 06-06-2016 07:49 AM