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Sir why we require RD and RT in mpls when routing table is different by configuring VRF?

author
Anshuman Agre
,
ZAP
  • Total 1 Answer
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Can You answer this question?
author
Mr. Piyush Kataria

RD stands for Route distinguisher.It is use to make a route unique in VPNV4 enviornment.

Route target value is used to import and export routes in VPNV4.We can import routes from both same and different VRF.

Route target actually defines into which VRF routing table recieving PE will install the route.

If you want practical example let me know :)

 

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  1. in Filesystem.php line 111
  2. at HandleExceptions->handleError(2, 'file_put_contents(/var/www/html/storage/framework/sessions/PZuoQYRCxlZZfpJYnY10cvGACmeQM93MYJ4BytD6): 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/PZuoQYRCxlZZfpJYnY10cvGACmeQM93MYJ4BytD6', 'contents' => 'a:4:{s:6:"_token";s:40:"lo8yrEf2cUlIiREoyByEwJHgQCLUPD7gzegafKZ6";s:11:"viewed_urls";a:1:{i:0;s:87:"sir-why-we-require-rd-and-rt-in-mpls-when-routing-table-is-different-by-configuring-vrf";}s:9:"_previous";a:1:{s:3:"url";s:115:"http://www.networkbulls.com/sir-why-we-require-rd-and-rt-in-mpls-when-routing-table-is-different-by-configuring-vrf";}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/PZuoQYRCxlZZfpJYnY10cvGACmeQM93MYJ4BytD6', 'a:4:{s:6:"_token";s:40:"lo8yrEf2cUlIiREoyByEwJHgQCLUPD7gzegafKZ6";s:11:"viewed_urls";a:1:{i:0;s:87:"sir-why-we-require-rd-and-rt-in-mpls-when-routing-table-is-different-by-configuring-vrf";}s:9:"_previous";a:1:{s:3:"url";s:115:"http://www.networkbulls.com/sir-why-we-require-rd-and-rt-in-mpls-when-routing-table-is-different-by-configuring-vrf";}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/PZuoQYRCxlZZfpJYnY10cvGACmeQM93MYJ4BytD6', 'a:4:{s:6:"_token";s:40:"lo8yrEf2cUlIiREoyByEwJHgQCLUPD7gzegafKZ6";s:11:"viewed_urls";a:1:{i:0;s:87:"sir-why-we-require-rd-and-rt-in-mpls-when-routing-table-is-different-by-configuring-vrf";}s:9:"_previous";a:1:{s:3:"url";s:115:"http://www.networkbulls.com/sir-why-we-require-rd-and-rt-in-mpls-when-routing-table-is-different-by-configuring-vrf";}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('PZuoQYRCxlZZfpJYnY10cvGACmeQM93MYJ4BytD6', 'a:4:{s:6:"_token";s:40:"lo8yrEf2cUlIiREoyByEwJHgQCLUPD7gzegafKZ6";s:11:"viewed_urls";a:1:{i:0;s:87:"sir-why-we-require-rd-and-rt-in-mpls-when-routing-table-is-different-by-configuring-vrf";}s:9:"_previous";a:1:{s:3:"url";s:115:"http://www.networkbulls.com/sir-why-we-require-rd-and-rt-in-mpls-when-routing-table-is-different-by-configuring-vrf";}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