does subnetting require more routers??

July 7, 2009 at 05:00:54
Specs: Windows XP
suppose i want to subnet my existing network, i am having a class B IP address 132.145.123.25 now i want to create 6 subnets then i will take top 3 bits of the host portion of address(considering it as classful adress). now will each subnet require an additional router?? so that i will be adding 6 router which correspond to the subnets and one main router....

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#1
July 7, 2009 at 05:45:54
If you have a real router then the answer is no, you don't require multiple routers

Have you given any thought to using VLAN tagging for your subnets?


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#2
July 7, 2009 at 07:23:19
are we relying only on the fact that each router interface creates a separate broadcast domain?? if yes then what will be the case if i need more subnets than the available router interfaces??

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#3
July 7, 2009 at 07:31:20
A real router can handle almost any amount of subnets through a single interface if need be since the routing itself is all done internally.....not by actual, physical interface. I suspect you don't understand how a router works.



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#4
July 8, 2009 at 12:18:23
you can have a single main router(ie layer3 device)
when we enable the subnets the interface of the router can be configured to connect to different networks
so, you can have a single L3 router.

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#5
July 9, 2009 at 04:53:51
yeah dat was lil less descriptive from me, dat caused you to think like dat..actually i m having problem is subnetting concept only, now it may be possible that hosts in different lan segments (i have a single router to which i have attached a cisco 2960 switch and many lan segments are connected to this switch via hubs, a tree like structure, so it will form a single boradcast domain) will be in a particular subnet,so wat prevents a packet from one segment to go to another segment(as it is one of the basic motives for subnetting)??

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