{"id":2910,"date":"2024-05-18T11:09:21","date_gmt":"2024-05-18T15:09:21","guid":{"rendered":"https:\/\/increasec.com\/?p=2910"},"modified":"2024-06-07T11:03:26","modified_gmt":"2024-06-07T15:03:26","slug":"network-cold-start-after-power-outage","status":"publish","type":"post","link":"https:\/\/increasec.com\/?p=2910","title":{"rendered":"Network Cold Start after power outage"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Problem:  M$ DHCP server is a VM (good for backup and restore) so when all the devices on my network do a cold start after a power outage, the DHCP servers take a long time to come online and many devices get automatic addressing; 169.254.x.x which doesn&#8217;t get them to the internet or anywhere.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Complications: most firewalls don&#8217;t support DHCP delay;  When they hear a request, there can be a delay before offering a DHCP address to give the primary DHCP server a chance to respond first.  M$ does support this but it&#8217;s the DHCP server we want to respond first.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Possible solutions: <br>Delay other servers when power restore starting, doesn&#8217;t account for devices that boot quickly<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DHCP server on a device that boots quickly ie firewall.  Harder to integrate with M$ DNS<br><br><br><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Problem: M$ DHCP server is a VM (good for backup and restore) so when all the devices on my network do a cold start after a power outage, the DHCP&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[211],"class_list":["post-2910","post","type-post","status-publish","format-standard","hentry","category-uncategorised","tag-dhcp"],"_links":{"self":[{"href":"https:\/\/increasec.com\/index.php?rest_route=\/wp\/v2\/posts\/2910","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/increasec.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/increasec.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/increasec.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/increasec.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2910"}],"version-history":[{"count":3,"href":"https:\/\/increasec.com\/index.php?rest_route=\/wp\/v2\/posts\/2910\/revisions"}],"predecessor-version":[{"id":2922,"href":"https:\/\/increasec.com\/index.php?rest_route=\/wp\/v2\/posts\/2910\/revisions\/2922"}],"wp:attachment":[{"href":"https:\/\/increasec.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2910"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/increasec.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2910"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/increasec.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2910"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}