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What is concept of Route Poisoning? Please explain?

author
Vatsal yadav
,
Network Security Engineer
  • Total 1 Answer
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Can You answer this question?
author
Rajan Arora
,
CCNA Routing and Switching

Route Poisoning : It means removing a specific route from routers when that specific route is down or it's not reachable

In case of Rip : When a Route ( ex 1.1.1.1/32 ) is down it removes that route from it's routing table and send a triggered update as network = 1.1.1.1 as metric 16. which makes this route as poison. when a router recieves a route as metric 16 it just remove that route immediately.

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1/1 ErrorException in Filesystem.php line 111: file_put_contents(/var/www/html/storage/framework/sessions/BHZaV193BOzxVfUfX7U1QDIb4URDaUkeOG57vyYl): 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/BHZaV193BOzxVfUfX7U1QDIb4URDaUkeOG57vyYl): 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/BHZaV193BOzxVfUfX7U1QDIb4URDaUkeOG57vyYl', 'contents' => 'a:4:{s:6:"_token";s:40:"yTJEFrU8klouARjNhjig0pwwnGkMfukdb3jGrUQF";s:11:"viewed_urls";a:1:{i:0;s:49:"what-is-concept-of-route-poisoning-please-explain";}s:9:"_previous";a:1:{s:3:"url";s:77:"http://www.networkbulls.com/what-is-concept-of-route-poisoning-please-explain";}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/BHZaV193BOzxVfUfX7U1QDIb4URDaUkeOG57vyYl', 'a:4:{s:6:"_token";s:40:"yTJEFrU8klouARjNhjig0pwwnGkMfukdb3jGrUQF";s:11:"viewed_urls";a:1:{i:0;s:49:"what-is-concept-of-route-poisoning-please-explain";}s:9:"_previous";a:1:{s:3:"url";s:77:"http://www.networkbulls.com/what-is-concept-of-route-poisoning-please-explain";}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/BHZaV193BOzxVfUfX7U1QDIb4URDaUkeOG57vyYl', 'a:4:{s:6:"_token";s:40:"yTJEFrU8klouARjNhjig0pwwnGkMfukdb3jGrUQF";s:11:"viewed_urls";a:1:{i:0;s:49:"what-is-concept-of-route-poisoning-please-explain";}s:9:"_previous";a:1:{s:3:"url";s:77:"http://www.networkbulls.com/what-is-concept-of-route-poisoning-please-explain";}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('BHZaV193BOzxVfUfX7U1QDIb4URDaUkeOG57vyYl', 'a:4:{s:6:"_token";s:40:"yTJEFrU8klouARjNhjig0pwwnGkMfukdb3jGrUQF";s:11:"viewed_urls";a:1:{i:0;s:49:"what-is-concept-of-route-poisoning-please-explain";}s:9:"_previous";a:1:{s:3:"url";s:77:"http://www.networkbulls.com/what-is-concept-of-route-poisoning-please-explain";}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