{"id":335,"date":"2009-10-18T21:40:17","date_gmt":"2009-10-18T21:40:17","guid":{"rendered":"https:\/\/fir3netwp.gmsrrpobkbd.com\/2009\/10\/18\/netscreen-enabling-ospf\/"},"modified":"2021-07-24T18:56:46","modified_gmt":"2021-07-24T18:56:46","slug":"netscreen-enabling-ospf","status":"publish","type":"post","link":"https:\/\/www.fir3net.com\/Firewalls\/Juniper\/netscreen-enabling-ospf.html","title":{"rendered":"Netscreen &#8211; Enabling OSPF"},"content":{"rendered":"<p>The Open Shortest Path First (OSPF) routing protocol is an Interior Gateway rotocol (IGP) intended to operate within a single Autonomous System (AS). A router running OSPF distributes its state information (such as usable interfaces and neighbor reachability) by periodically flooding link-state advertisements (LSAs)<br \/>throughout the AS.<\/p>\n<p><strong><span style=\"font-size: 14px;\" face=\"tahoma,arial,helvetica,sans-serif\">Enabling OSPF on a VR <\/span><\/strong><\/p>\n<p class=\"codemulti\">set vrouter trust-vr router-id 10<br \/>set vrouter trust-vr protocol ospf<br \/>set vrouter trust-vr protocol ospf enable<\/p>\n<p><strong style=\"font-size: 14px;\">Creating an OSPF Area<\/strong><\/p>\n<p class=\"codemulti\">set vrouter trust-vr protocol ospf area 10<\/p>\n<p><strong style=\"font-size: 14px;\">Assigning Interfaces to an OSPF Area<\/strong><\/p>\n<p class=\"codemulti\">set interface ethernet1 protocol ospf area 10<br \/>set interface ethernet3 protocol ospf area 0<\/p>\n<p><span style=\"font-size: 14px;\" face=\"tahoma,arial,helvetica,sans-serif\"><strong>Configuring an Area Range<\/strong><br \/><\/span><\/p>\n<p class=\"codemulti\">set vrouter trust-vr protocol ospf area 10 range 10.1.1.0\/24 advertise<br \/>set vrouter trust-vr protocol ospf area 10 range 10.1.2.0\/24 no-advertise<\/p>\n<p><strong style=\"font-size: 14px;\">Enabling OSPF on an Interface<\/strong><\/p>\n<p class=\"codemulti\">set interface ethernet1 protocol ospf enable<br \/>set interface ethernet3 protocol ospf enable<\/p>\n<p><strong style=\"font-size: 14px;\">Route Redistibtuion (BGP routes into OSPF)<\/strong><\/p>\n<p class=\"codemulti\">set vrouter trust-vr protocol ospf redistribute route-map add-bgp protocol bgp<\/p>\n<p><strong style=\"font-size: 14px;\">Show Commands<\/strong><\/p>\n<p class=\"codemulti\">get vrouter trust-vr protocol ospf config<br \/>get vrouter trust-vr protocol ospf<br \/>get vrouter trust-vr protocol ospf interface<\/p>\n<p><strong><span style=\"font-size: 14px;\" face=\"tahoma,arial,helvetica,sans-serif\">Route Summerisation<\/span><\/strong><\/p>\n<p>enable route summerisaton for external routes and advertise only summary route<\/p>\n<p class=\"codemulti\">set vrouter trust-vr protocol ospf summary-import ip 10.50.1.0\/20<\/p>\n<p>enable route summerisation for area 10 and advertise only the summary route<\/p>\n<p class=\"codemulti\">set vrouter trust-vr protocol ospf area 10 range 10.50.1.0\/20 advertise<\/p>\n<p><em>Note : After running any of these commands issue the command `save` to ensure your changes are permanent post reboot. <\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Open Shortest Path First (OSPF) routing protocol is an Interior Gateway rotocol (IGP) intended to operate within a single Autonomous System (AS). A router running OSPF distributes its state information (such as usable interfaces and neighbor reachability) by periodically flooding link-state advertisements (LSAs)throughout the AS. Enabling OSPF on a VR set vrouter trust-vr router-id &#8230; <a title=\"Netscreen &#8211; Enabling OSPF\" class=\"read-more\" href=\"https:\/\/www.fir3net.com\/Firewalls\/Juniper\/netscreen-enabling-ospf.html\" aria-label=\"Read more about Netscreen &#8211; Enabling OSPF\">Read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Netscreen - Enabling OSPF - Fir3net<\/title>\n<meta name=\"description\" content=\"The Open Shortest Path First (OSPF) routing protocol is an Interior Gateway rotocol (IGP) intended to operate within a single Autonomous System (AS). 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