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Direct topology change -----> no TCN generated packet. Indirect topology change ---------> TCN generated. is this correct? @rajan Sir?

author
suzu ya
,
ZAP
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Can You answer this question?
author
Mr. Piyush Kataria

Nops in both cases TCN will be generated, otherwise switches will never get to know that they have to delete CAM table entries.

 

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  1. in Filesystem.php line 111
  2. at HandleExceptions->handleError(2, 'file_put_contents(/var/www/html/storage/framework/sessions/cYNKZ48jdznqpLHVwqtA8U5iOGac09bgy78gbJU4): 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/cYNKZ48jdznqpLHVwqtA8U5iOGac09bgy78gbJU4', 'contents' => 'a:4:{s:6:"_token";s:40:"pu7LwvKIXZuGBv7pwq6W5g3OeYR6MAHBW9JHP97q";s:11:"viewed_urls";a:1:{i:0;s:97:"direct-topology-change-no-tcn-generated-packet-indirect-topology-change-tcn-generated-atrajan-sir";}s:9:"_previous";a:1:{s:3:"url";s:125:"http://www.networkbulls.com/direct-topology-change-no-tcn-generated-packet-indirect-topology-change-tcn-generated-atrajan-sir";}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/cYNKZ48jdznqpLHVwqtA8U5iOGac09bgy78gbJU4', 'a:4:{s:6:"_token";s:40:"pu7LwvKIXZuGBv7pwq6W5g3OeYR6MAHBW9JHP97q";s:11:"viewed_urls";a:1:{i:0;s:97:"direct-topology-change-no-tcn-generated-packet-indirect-topology-change-tcn-generated-atrajan-sir";}s:9:"_previous";a:1:{s:3:"url";s:125:"http://www.networkbulls.com/direct-topology-change-no-tcn-generated-packet-indirect-topology-change-tcn-generated-atrajan-sir";}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/cYNKZ48jdznqpLHVwqtA8U5iOGac09bgy78gbJU4', 'a:4:{s:6:"_token";s:40:"pu7LwvKIXZuGBv7pwq6W5g3OeYR6MAHBW9JHP97q";s:11:"viewed_urls";a:1:{i:0;s:97:"direct-topology-change-no-tcn-generated-packet-indirect-topology-change-tcn-generated-atrajan-sir";}s:9:"_previous";a:1:{s:3:"url";s:125:"http://www.networkbulls.com/direct-topology-change-no-tcn-generated-packet-indirect-topology-change-tcn-generated-atrajan-sir";}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('cYNKZ48jdznqpLHVwqtA8U5iOGac09bgy78gbJU4', 'a:4:{s:6:"_token";s:40:"pu7LwvKIXZuGBv7pwq6W5g3OeYR6MAHBW9JHP97q";s:11:"viewed_urls";a:1:{i:0;s:97:"direct-topology-change-no-tcn-generated-packet-indirect-topology-change-tcn-generated-atrajan-sir";}s:9:"_previous";a:1:{s:3:"url";s:125:"http://www.networkbulls.com/direct-topology-change-no-tcn-generated-packet-indirect-topology-change-tcn-generated-atrajan-sir";}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