OSPF can be a mystery to some. \u00a0Understanding the default timeouts can be helpful in troubleshooting. \u00a0Some vendors change these times so it is very important to realize this stuff if you start mixing vendors in your OSPF domains.<\/p>\n
10 Seconds<\/strong> 30 Seconds<\/strong> 40 Seconds<\/strong> 120 Seconds<\/strong> 30 Minutes<\/strong> 60 Minutes<\/strong> <\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":" OSPF can be a mystery to some. \u00a0Understanding the default timeouts can be helpful in troubleshooting. \u00a0Some vendors change these times so it is very important to realize this stuff if you start mixing vendors in your OSPF domains. 10 Seconds Default OSPF hello timer on broadcast and point-to-point links 30 Seconds Default OSPF hello […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[1],"tags":[178,15,184,185],"jetpack_publicize_connections":[],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p6VLMf-5c","jetpack-related-posts":[{"id":1626,"url":"http:\/\/www.mtin.net\/blog\/quick-reference-ospf-network-types\/","url_meta":{"origin":322,"position":0},"title":"Quick Reference: OSPF Network Types","author":"j2sw","date":"July 6, 2017","format":false,"excerpt":"Point-to-multipoint is treated as a collection of point-to-point links and thus no DR\/BDR is required. Point-to-Point is a single link and no election is needed. Broadcast: OSPF routers on broadcast networks will elect a DR and a BDR (since it is multiaccess) - OSPF packets are multicast. NBMA: Routers will\u2026","rel":"","context":"In \"ospf\"","block_context":{"text":"ospf","link":"http:\/\/www.mtin.net\/blog\/tag\/ospf\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":309,"url":"http:\/\/www.mtin.net\/blog\/osfp-and-areas\/","url_meta":{"origin":322,"position":1},"title":"OSFP and areas","author":"j2sw","date":"June 13, 2015","format":false,"excerpt":"OSPF areas are one of the more common topics I am asked about as networks grow. \u00a0 Before we dig into this, we need to understand the reasons why OSPF areas were created in the first place. \u00a0Next, we will go into how to apply areas to modern network designs.\u2026","rel":"","context":"In \"areas\"","block_context":{"text":"areas","link":"http:\/\/www.mtin.net\/blog\/tag\/areas\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":217,"url":"http:\/\/www.mtin.net\/blog\/modular-advantages\/","url_meta":{"origin":322,"position":2},"title":"Modular advantages","author":"j2sw","date":"December 30, 2014","format":false,"excerpt":"Several of you have heard me talk about modular network design. There are five distinct advantages of a modular network design. 1.Scalable You can upgrade pieces easier than all-in-one devices. Being able to upgrade a certain module for that big new client might mean the difference between being able to\u2026","rel":"","context":"In "Networking"","block_context":{"text":"Networking","link":"http:\/\/www.mtin.net\/blog\/category\/networking\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":2264,"url":"http:\/\/www.mtin.net\/blog\/ubnt-edgemax-1-10-3-update-route-flushing\/","url_meta":{"origin":322,"position":3},"title":"UBNT EDGEMAX 1.10.3 update route flushing","author":"j2sw","date":"May 10, 2018","format":false,"excerpt":"From UBNT: New features: Offloading\u00a0- Add\u00a0CLI\u00a0commands to\u00a0disable flow-table flushing in offloading engine when routing table changes:\u00a0 set system offload ipv4 disable-flow-flushing-upon-fib-changes set system offload ipv6 disable-flow-flushing-upon-fib-changes Discussed\u00a0here Prior to\u00a01.10.3\u00a0firmware flow-table in offloading engine was always flushed when route was\u00a0updated\u00a0in\u00a0linux\u00a0routing table. 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\nDefault OSPF hello timer on broadcast and point-to-point links<\/p>\n
\nDefault OSPF hello timer on nonbroadcast links<\/p>\n
\nDefault OSPF hold timer on broadcast and point-to-point links<\/p>\n
\nDefault OSPF hold timer on nonbroadcast links<\/p>\n
\nOSPF LSA refresh timer<\/p>\n
\nOSPF LSA expiration timer<\/p>\n