aaaz
Zibon kumar Zibon
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Example: 1 Network address = 172.16.0.0, CIDR = 17 17 bits are ON, so subnet mask =255.255.128.0, No. of subnets= 2*1= 2, No. of hosts per subnet= 215-2(How this is possible? I didn't get it ) please explain or correct if it is wrong.?
author
Zibon kumar Zibon
Hello, Number of host per subnet wrong we know for ipv4 address total 24 octad  where network bit 8+8+1 =9 host bit  = 15 number of host per subnet  2*15-2 = 32768-2                 ...
Find IP Address?
author
Zibon kumar Zibon
called your ISP 

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1/1 ErrorException in Filesystem.php line 111: file_put_contents(/var/www/html/storage/framework/sessions/1LhTKmSmJqGOKFQljdBDq6vbBrxFt7AabyZGz1Xo): failed to open stream: No space left on device

  1. in Filesystem.php line 111
  2. at HandleExceptions->handleError(2, 'file_put_contents(/var/www/html/storage/framework/sessions/1LhTKmSmJqGOKFQljdBDq6vbBrxFt7AabyZGz1Xo): failed to open stream: No space left on device', '/var/www/html/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php', 111, array('path' => '/var/www/html/storage/framework/sessions/1LhTKmSmJqGOKFQljdBDq6vbBrxFt7AabyZGz1Xo', 'contents' => 'a:3:{s:6:"_token";s:40:"MxB1nfaz4L0x7Yyc1N6iP6SJd073MslQeM9Lbnor";s:9:"_previous";a:1:{s:3:"url";s:53:"http://www.networkbulls.com/profile/zibon-kumar-zibon";}s:6:"_flash";a:2:{s:3:"old";a:0:{}s:3:"new";a:0:{}}}', 'lock' => true))
  3. at file_put_contents('/var/www/html/storage/framework/sessions/1LhTKmSmJqGOKFQljdBDq6vbBrxFt7AabyZGz1Xo', 'a:3:{s:6:"_token";s:40:"MxB1nfaz4L0x7Yyc1N6iP6SJd073MslQeM9Lbnor";s:9:"_previous";a:1:{s:3:"url";s:53:"http://www.networkbulls.com/profile/zibon-kumar-zibon";}s:6:"_flash";a:2:{s:3:"old";a:0:{}s:3:"new";a:0:{}}}', 2) in Filesystem.php line 111
  4. at Filesystem->put('/var/www/html/storage/framework/sessions/1LhTKmSmJqGOKFQljdBDq6vbBrxFt7AabyZGz1Xo', 'a:3:{s:6:"_token";s:40:"MxB1nfaz4L0x7Yyc1N6iP6SJd073MslQeM9Lbnor";s:9:"_previous";a:1:{s:3:"url";s:53:"http://www.networkbulls.com/profile/zibon-kumar-zibon";}s:6:"_flash";a:2:{s:3:"old";a:0:{}s:3:"new";a:0:{}}}', true) in FileSessionHandler.php line 83
  5. at FileSessionHandler->write('1LhTKmSmJqGOKFQljdBDq6vbBrxFt7AabyZGz1Xo', 'a:3:{s:6:"_token";s:40:"MxB1nfaz4L0x7Yyc1N6iP6SJd073MslQeM9Lbnor";s:9:"_previous";a:1:{s:3:"url";s:53:"http://www.networkbulls.com/profile/zibon-kumar-zibon";}s:6:"_flash";a:2:{s:3:"old";a:0:{}s:3:"new";a:0:{}}}') in Store.php line 128
  6. at Store->save() in StartSession.php line 88
  7. at StartSession->terminate(object(Request), object(Response)) in Kernel.php line 216
  8. at Kernel->terminateMiddleware(object(Request), object(Response)) in Kernel.php line 187
  9. at Kernel->terminate(object(Request), object(Response)) in index.php line 59
  10. at require_once('/var/www/html/public/index.php') in index.php line 20