aoa KSHIF BHAI ! Its mudasir from fb,, can u please tell me how to secure my internet router from dodgy people. its actually being used by my rubbish neighbors. its netgear wifi router, i have tried changing key but hes still using, dono how. please tell some method to apply security to my router like port blocking etc. thanks
Hi, I am trying to work out subneting of 192.168.0.101. Everything seem to work fine except when I check on subnet calculator it gives me.
Network: 192.168.0.96 Broadcast: 192.168.0.111
what i dont understand is my IP address host starts from 101 and its giving me 96 to 111. Why is it going down 101 rather than incrementing. Following is my work out.
I tried making 10 subnets using following.
192.168.0.101 255.255.255.0
binary = 8 4 2 1 = 4 bits 1 0 1 0
Now 4 bits moved to left makes 128+64+32+16 = 240 so the new mask is 255.255.255.240 and the short notation would be 192.168.0.101/28
Now using the least bit which is 16, i have worked out the following:
please correct me where i am wrong in above calculation. Now where does Network: 192.168.0.96, Broadcast: 192.168.0.111 as suggested by subnet calc comes in this? shouldnt it start from Network: 192.168.0.101 and Broadcast: 192.168.0.117?
Every thing is right but when you create groups or sbnets with the increment of 16 then u have to start with 0 not 101 Your first subnet will be 192.168.0.0 - 0.15 192.168.0.16. -31 Why u start with 192.168.0.101
Thanks for the clarification Kashif bhai. Now i know it will always start with 0 when doing subneting. I was bit confused with what if your ISP gives you a public IP something like this to subnet.
i want to rply in urdu.... aap 4 bits ki subnetting kar rahay hai .. tau 192.168.0.101/28 ka net id and br.id oper wala hi banta hai ..... aur in k useable ip jo bantay hai wo 14 hai means ... k aap k pass 16 subnets banay gey .. aur host per subnets 14 hongay..... thats my opinion...
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aoa KSHIF BHAI !
ReplyDeleteIts mudasir from fb,, can u please tell me how to secure my internet router from dodgy people. its actually being used by my rubbish neighbors. its netgear wifi router, i have tried changing key but hes still using, dono how. please tell some method to apply security to my router like port blocking etc.
thanks
hahah you must be using .. WEP use WEP 2 then it would not be possible to break it , and one more thing chnage your AP (access point) Mgmt password
DeleteJust Blocked that person using MAC filter :) He will never use your internet although he knows your password.
DeleteHi, I am trying to work out subneting of 192.168.0.101. Everything seem to work fine except when I check on subnet calculator it gives me.
ReplyDeleteNetwork: 192.168.0.96
Broadcast: 192.168.0.111
what i dont understand is my IP address host starts from 101 and its giving me 96 to 111. Why is it going down 101 rather than incrementing. Following is my work out.
I tried making 10 subnets using following.
192.168.0.101
255.255.255.0
binary = 8 4 2 1 = 4 bits
1 0 1 0
Now 4 bits moved to left makes 128+64+32+16 = 240
so the new mask is 255.255.255.240 and the short notation would be 192.168.0.101/28
Now using the least bit which is 16, i have worked out the following:
192.168.0.101 - 116
.117 - 132
.133 - 148
.149 - 164
please correct me where i am wrong in above calculation. Now where does Network: 192.168.0.96, Broadcast: 192.168.0.111 as suggested by subnet calc comes in this? shouldnt it start from Network: 192.168.0.101 and Broadcast: 192.168.0.117?
Thanks in advance
Every thing is right but when you create groups or sbnets with the increment of 16 then u have to start with 0 not 101
DeleteYour first subnet will be 192.168.0.0 - 0.15
192.168.0.16. -31
Why u start with 192.168.0.101
Thanks for the clarification Kashif bhai. Now i know it will always start with 0 when doing subneting. I was bit confused with what if your ISP gives you a public IP something like this to subnet.
DeleteThanks
Sorry I mean to say private IP. I dont think we can play around with public IP can we?
Deleteyes you can do with ublic IP address as well depends if you have whole A class then you can work it out .
Deletei want to rply in urdu.... aap 4 bits ki subnetting kar rahay hai .. tau 192.168.0.101/28 ka net id and br.id oper wala hi banta hai ..... aur in k useable ip jo bantay hai wo 14 hai means ... k aap k pass 16 subnets banay gey .. aur host per subnets 14 hongay..... thats my opinion...
ReplyDeletethanks ...
Thanks for your help...
Deletedear sir thank u for your hard working
ReplyDeletemy name is ghulam rasool and i am ccna,ccnp certified and
i did all these coursec from corvit lahore
can we use /31 bits
ReplyDeleteif use then what should it do. when i check it on ipsub calculator it says RFC 3021. i didn't understand that?
Sam here sir. Punjab university getting too much...... =)
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