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If your Network is a large network and has grown where manually adding and removing new routs becoming a time consuming matter then you can Consider moving to dynamic routing protocols like EIGRP or OSPF, which will help in managing your network in a ,and also provide you with automatic failover if a link goes down.
Dynamic routing is the best.You can configure according to your specification from large to small variation.Dynamic routing has many merits and its also hard to manage over the advantages,although.
That depends on network needs. The network manager can decide that based on source and destination networks.
The best routing is the one that will not impact the resources of your devices and the performance of your network administrator. so it depends on the scale of your network.
Dynamic routing is the best bcz it is fault tolerants and it manages the netwok when data is sent from source to the destination .It minimizes the losses and also decrease the time.
Static Routing its manually configuration of addresses used for small network but not good for large, Default Routing all routers in this method are configured to send all packets towards a single router and you can use it with static or dynamic, Dynmic Routing here the protocols and algorithms are used to automatically propagate routing information, its the common method but the complex.
Well here we cannot say which is the best beacuse it depend on the situation where you are applying it. Default routing is to tell the router that if you don't know where to forward the packets then go in this direction. Eg : 0.0.0.00.0.0.0192.168.1.1.Where static routing is like we have to speacifically tell the router that inorder to reach this network you have to follow this gateway. Eg : To reach 192.168.1.0255.255.255.0192.168.2.1 (Destination Network with the mask and the gateway). And in dynamic routing only the routing protocols will decide where to forward the packets Eg : RIPv2, EIGRP,OSPF etc.
Destination address to where the packet is destined. Layer 3 protocols such an IP take care of this.
Neighboring routers from which remote networks can be learned of and packets can be moved to on way to its destination.
Routes to remote networks and a way to determine the best route to each of them.
Way to learn, verify and manage routing information. Incomplete, incorrect or unstable routing information is worse than not having any routing information. If a router does not have routing information, it will drop the packets and let the source know. If a router has incorrect routing information, loops can form and bring down networks.
As you would have realized by now, the essence of routing is how the router learns about the remote networks. Routing information is stored in the routing table also called the Routing Information Base (RIB). The RIB consists of routes to destination networks. Each route is a combination of the destination network address, subnet mask and the next hop towards the destination. There are three ways for a router to learn routes:
Static Routing – This is the method by which an administrator manually adds routes to the routing table of a router. This is a method for small networks but it is not scalable for larger networks.
Default Routing – This is the method where all routers are configured to send all packets towards a single router. This is a very useful method for small networks or for networks with a single entry and exit point. It is usually used in addition to Static and/or Dynamic routing.
Dynamic Routing – This is the method where protocols and algorithms are used to automatically propagate routing information. This is the most common method and most complex method of routing. Each routing protocol can have chapters or even whole books written about then. Most of them have one or more RFCs dedicated to them. In fact, the whole of the next chapter is dedicated to dynamic routing.
So Now coming to the conclusion it is always better and suggested to go for Dynamic Routing if your network is large and complex
this depends on the size of the network you will be building, and is it expandable or not,
static routing is the best practice for small-size networks.
