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Methods of routing

Discuss which method of routing you prefer, static routes or dynamic routes. Briefly justify your choice. Consider extremely large networks that have thousands of routes. Does your preference change based on the scale of the network? At what point do you feel static routing for all connected routes become unmanageable?

Sample Solution

Routing is an interaction that is performed by layer 3 (or organization layer) gadgets to convey the bundle by picking an ideal way starting with one organization then onto the next.
There are 3 sorts of steering:
1. Static directing –
Static directing is an interaction where we need to physically add courses to the steering table.
Benefits –
No steering upward for switch CPU which implies a less expensive switch can be utilized to do directing.
It adds security in light of the fact that a no one but chairman can permit directing to specific organizations as it were.
No transfer speed utilization between switches.
Hindrance –
For an enormous organization, it is a furious assignment for overseers to physically add each course for the organization in the directing table on every switch.
The head ought to have great information on the geography. In the event that another director comes, he needs to physically add each course so he ought to have excellent information on the courses of the geography.
Setup –

R1 having IP address 172.16.10.6/30 on s0/0/1, 192.168.10.1/24 on fa0/0.
R2 having IP address 172.16.10.2/30 on s0/0/0, 192.168.20.1/24 on fa0/0.
R3 having IP address 172.16.10.5/30 on s0/1, 172.16.10.1/30 on s0/0, 10.10.10.1/24 on fa0/0.
Presently arranging static courses for switch R3:
R3(config)#ip course 192.168.10.0 255.255.255.0 172.16.10.2
R3(config)#ip course 192.168.20.0 255.255.255.0 172.16.10.6
Here, gave the course to 192.168.10.0 organization where 192.168.10.0 is its organization I’d and 172.16.10.2 and 172.16.10.6 are the following bounce address.
Presently, arranging for R2:
R2(config)#ip course 192.168.20.0 255.255.255.0 172.16.10.1
R2(config)#ip course 10.10.10.0 255.255.255.0 172.16.10.1
R2(config)#ip course 172.16.10.0 255.255.255.0 172.16.10.1
Comparably for R1:

R1(config)#ip course 192.168.10.0 255.255.255.0 172.16.10.5
R1(config)#ip course 10.10.10.0 255.255.255.0 172.16.10.5
R1(config)#ip course 172.16.10.0 255.255.255.0 172.16.10.5
2. Default Routing –
Here the switch is arranged to send all parcels towards a solitary switch (next bounce). It doesn’t make any difference to which network the parcel has a place, it is sent out to the switch which is arranged for default steering. It is for the most part utilized with stub switches. A stub switch is a switch that has just one course to arrive at any remaining organizations.
Arrangement –
Utilizing a similar geography which we have utilized for the static directing previously.
In this geography, R1 and R2 are stub switches so we can design default steering for both these switches.
Designing default steering for R1:

R1(config)#ip course 0.0.0.0 0.0.0.0 172.16.10.5
Presently arranging default steering for R2:

R2(config)#ip course 0.0.0.0 0.0.0.0 172.16.10.1
3. Dynamic Routing –
Dynamic directing makes programmed changes of the courses as indicated by the present status of the course in the steering table. Dynamic steering utilizes conventions to find network objections and the courses to contact them. Tear and OSPF are the best instances of dynamic directing conventions. Programmed changes will be made to arrive at the organization objective assuming that one course goes down.
A unique convention has the accompanying highlights:
The switches ought to have a similar unique convention running to trade courses.
At the point when a switch observes an adjustment of the geography then the switch promotes it to any remaining switches.
Benefits –
Simple to arrange.
More successful at choosing the best course to an objective remote organization and furthermore for finding remote organization.
Hindrance –
Consumes more transfer speed for speaking with different neighbors.
Less secure than static steering.