{"id":1900,"date":"2013-08-31T14:23:09","date_gmt":"2013-08-31T13:23:09","guid":{"rendered":"http:\/\/kudzia.eu\/b\/?p=1900"},"modified":"2013-08-31T14:25:47","modified_gmt":"2013-08-31T13:25:47","slug":"vmware-esxi-5-1-keeping-mac-address-after-moving-to-a-new-hardware","status":"publish","type":"post","link":"https:\/\/kudzia.eu\/b\/2013\/08\/vmware-esxi-5-1-keeping-mac-address-after-moving-to-a-new-hardware\/","title":{"rendered":"vmware esxi 5.1 keeping mac address after moving to a new hardware"},"content":{"rendered":"<p>i had to move hard disks containing installed esxi 5.1 from one server to another. after i booted up a new server there was an unexpected surprise for me&#8230; vmware &#8216;kept&#8217; the mac address assigned to the management interface from the old machine. so for a while i had duplicate mac address: legitimately on the old machine and spoofed by vmware on the new one which resulted in packet losses.<\/p>\n<p>vmware <a href=\"http:\/\/kb.vmware.com\/selfservice\/microsites\/search.do?language=en_US&#038;cmd=displayKC&#038;externalId=1031111\">kb1031111<\/a> explains the situation. to force esxi to use a new mac i had to run:<\/p>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\r\nesxcfg-advcfg -s 1 \/Net\/FollowHardwareMac\r\n<\/pre>\n<p>and reboot the server<\/p>\n","protected":false},"excerpt":{"rendered":"<p>i had to move hard disks containing installed esxi 5.1 from one server to another. after i booted up a new server there was an unexpected surprise for me&#8230; vmware &#8216;kept&#8217; the mac address assigned to the management interface from the old machine. so for a while i had duplicate mac address: legitimately on the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17,51],"tags":[76],"class_list":["post-1900","post","type-post","status-publish","format-standard","hentry","category-tech","category-unimportant","tag-esxi"],"_links":{"self":[{"href":"https:\/\/kudzia.eu\/b\/wp-json\/wp\/v2\/posts\/1900","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kudzia.eu\/b\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kudzia.eu\/b\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kudzia.eu\/b\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kudzia.eu\/b\/wp-json\/wp\/v2\/comments?post=1900"}],"version-history":[{"count":3,"href":"https:\/\/kudzia.eu\/b\/wp-json\/wp\/v2\/posts\/1900\/revisions"}],"predecessor-version":[{"id":1903,"href":"https:\/\/kudzia.eu\/b\/wp-json\/wp\/v2\/posts\/1900\/revisions\/1903"}],"wp:attachment":[{"href":"https:\/\/kudzia.eu\/b\/wp-json\/wp\/v2\/media?parent=1900"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kudzia.eu\/b\/wp-json\/wp\/v2\/categories?post=1900"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kudzia.eu\/b\/wp-json\/wp\/v2\/tags?post=1900"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}