IP addressing

Answered Question
Aug 26th, 2008
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my n/w has /26 subnet, IP range is 10.36.27.64 to 10.36.27.127. Now i want to upgrade to /24 subnet, then IP range will be 27.0 to 27.255.

Can i use same default gateway i.e 27.127 for all hosts? as changing only subnet mask on all hosts & switch interface. Pls suggest

Thanks

Ramesh



Correct Answer by Edison Ortiz about 8 years 10 months ago

Ramesh,


The gateway needs to be in the same subnet as the clients that is servicing.


If you decide to keep the subnet mask of /26, only the clients within the .64 to .127 range will be able to use .127 as the gateway.


If you decide to change the subnet mask to /24, clients within the .1 to .254 can use the .127 as the gateway.


HTH,


__


Edison.

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Hi There


Yes, no problem. You can use any of the 254 available IP addresses on the subent as the default gateway.


Most networks I have come across appear to use either the first (.1) or last (.254) available IP address as the default gateway, but again this not a requirement but rather a standard the the Net Admins appear to adhere to.



Best Regards,


Michael.

nramesh25 Tue, 08/26/2008 - 05:04
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Thanks for ur mail.


If i am not changing my subnet mask whether it will work or not? (Range 10.36.27.64 to 27.127)


Regards

Ramesh

Correct Answer
Edison Ortiz Tue, 08/26/2008 - 05:10
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Ramesh,


The gateway needs to be in the same subnet as the clients that is servicing.


If you decide to keep the subnet mask of /26, only the clients within the .64 to .127 range will be able to use .127 as the gateway.


If you decide to change the subnet mask to /24, clients within the .1 to .254 can use the .127 as the gateway.


HTH,


__


Edison.

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