Is it possible to support any secondary address in EIGRP?

Yes the Enhanced Interior Gateway Routing Protocol (EIGRP) supports secondary addresses. However, because EIGRP supply data packets from the primary address, all the routers should be configured with the primary addresses that belong on the same subnet.

Can I configure more than one EIGRP autonomous system on the same router?

A router can run multiple EIGRP processes. Each process operates under the context of an autonomous system, which represents a common routing domain. Routers within the same domain use the same metric calculation formula and exchange routes only with members of the same autonomous system.

How do I connect two EIGRP?

redistribution configuration lab between two eigrp autonomous system using cisco packet tracer

1. Step 1:Assign IP Address on Router R1:
2. Step 2:Assign IP Address on Router R2:
3. Step 3:Assign IP Address on Router R3:
4. Step 4:EIGRP configuration on Router R1:
5. Step 5:EIGRP configuration on Router R2:

Where are EIGRP successor routes stored?

Successor routes are saved in the topology table to be used if the primary route fails. Successor routes are flagged as “active” in the routing table. A successor route may be backed up by a feasible successor route. Successor routes are stored in the neighbor table following the discovery process.

Which multicast address is used by EIGRP?

224.0.0.10
The EIGRP multicast address is 224.0. 0.10. An EIGRP router only establishes neighbor relationships (adjacencies) with other routers within the same autonomous system.

Do EIGRP as numbers have to match?

AS mismatch: The autonomous system number has to match on both EIGRP routers in order to form a neighbor adjacency.

Does EIGRP use multicast?

Routing protocols (RIPv2, EIGRP, and OSPF) use multicast addresses to speak to their neighbors. For example, OSPF routers use 224.0. 0.6 to speak to the designated router (DR) in a multiaccess network. Class D multicast addresses range from 224.0.

What is hub and spoke topology?

A hub is a central network zone that controls and inspects ingress or egress traffic between zones: internet, on-premises, and spokes. The hub-and-spoke topology gives your IT department an effective way to enforce security policies in a central location.

What is a hub and spoke network zone?

A hub is a central network zone that controls and inspects ingress or egress traffic between zones: internet, on-premises, and spokes. The hub-and-spoke topology gives your IT department an effective way to enforce security policies in a central location. It also reduces the potential for misconfiguration and exposure.

Which IP packets are sent from the hub router to spoke2?

The first capture is an hello packet that the Hub receives from spoke1: As you can see this IP packet is sent from spoke1 to spoke2 and it has been received on DLCI 102 on the hub router, it has a TTL of 2. This packet will be forwarded by the hub router to spoke2 and it will look like this:

Why are spokes required in a hub-and-spoke architecture?

The spokes are required to forward the traffic to the central hub. This requirement is so that the traffic can transit to its destination in either the on-premises network or the public internet. An architecture with two levels of hubs introduces complex routing that removes the benefits of a simple hub-and-spoke relationship.