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Subnetting

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Network 172.16.0.0 Subnet Mask : /25 = 255.255.255.128 (   by default its 255.255.0.0 means change has been done ...
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,
CCNA Routing and Switching
Sub-netting It is the process of breaking the major network ( 10.0.0.0  /8 ) into multiple small parts is called ...
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Sr. Trainer,
CCIE R&S #60606
According to your example:- Step 1: Calculate total number of subnet. How to calculate ? number of subnet = 2 ^nÂ...
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Subnetting is a process of dividing large network into the smaller networks based on layer 3 IP address. Every comp...
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A switch has a single-broadcast domain. So, VLAN is basically used to overcome switch to broadcast is information...
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What is the frst valid host on the subnetwork that the node 172.20.225.111 255.255.255.128 belongs to?  
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1/1 ErrorException in Filesystem.php line 111: file_put_contents(/var/www/html/storage/framework/sessions/dGYJy7GObOaQhEhgDBETWglKqdyqGSzbutvMxe2T): 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/dGYJy7GObOaQhEhgDBETWglKqdyqGSzbutvMxe2T): 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/dGYJy7GObOaQhEhgDBETWglKqdyqGSzbutvMxe2T', 'contents' => 'a:3:{s:6:"_token";s:40:"DivhPGMudT6ps5FJGkJyvylyKlqaadz6NdpupQmL";s:9:"_previous";a:1:{s:3:"url";s:44:"http://www.networkbulls.com/topic/subnetting";}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/dGYJy7GObOaQhEhgDBETWglKqdyqGSzbutvMxe2T', 'a:3:{s:6:"_token";s:40:"DivhPGMudT6ps5FJGkJyvylyKlqaadz6NdpupQmL";s:9:"_previous";a:1:{s:3:"url";s:44:"http://www.networkbulls.com/topic/subnetting";}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/dGYJy7GObOaQhEhgDBETWglKqdyqGSzbutvMxe2T', 'a:3:{s:6:"_token";s:40:"DivhPGMudT6ps5FJGkJyvylyKlqaadz6NdpupQmL";s:9:"_previous";a:1:{s:3:"url";s:44:"http://www.networkbulls.com/topic/subnetting";}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('dGYJy7GObOaQhEhgDBETWglKqdyqGSzbutvMxe2T', 'a:3:{s:6:"_token";s:40:"DivhPGMudT6ps5FJGkJyvylyKlqaadz6NdpupQmL";s:9:"_previous";a:1:{s:3:"url";s:44:"http://www.networkbulls.com/topic/subnetting";}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 58
  10. at require_once('/var/www/html/public/index.php') in index.php line 20