{"id":1830,"date":"2014-02-05T18:03:36","date_gmt":"2014-02-05T18:03:36","guid":{"rendered":"http:\/\/blog.designed79.co.uk\/?p=1830"},"modified":"2014-02-05T18:03:37","modified_gmt":"2014-02-05T18:03:37","slug":"arp-problems-causing-packet-loss-on-10-9","status":"publish","type":"post","link":"https:\/\/blog.designed79.co.uk\/?p=1830","title":{"rendered":"ARP problems causing packet loss on 10.9"},"content":{"rendered":"<div class=\"codecolorer-container text default\" style=\"overflow:auto;white-space:nowrap;height:300px;\"><div class=\"text codecolorer\">#!\/bin\/bash<br \/>\n#############################################<br \/>\n# AUTHOR: JONATHAN SCHWENN @JONSCHWENN &nbsp; &nbsp; &nbsp;#<br \/>\n# MAC MINI VAULT - MAC MINI COLOCATION &nbsp; &nbsp; &nbsp;#<br \/>\n# MACMINIVAULT.COM - @MACMINIVAULT &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;#<br \/>\n# VERSION 1.01 RELEASE DATE NOV 08 2013 &nbsp; &nbsp; #<br \/>\n# DESC: &nbsp;DISABLES &nbsp;ARP CACHE VALIDATION &nbsp; &nbsp; #<br \/>\n#############################################<br \/>\n#REQUIREMENTS:<br \/>\n# &nbsp;OS X 10.9 or newer<br \/>\n#############################################<br \/>\n#CHECK FOR OS X 10.9<br \/>\nif [[ &nbsp;$(sw_vers -productVersion | grep '10.9') &nbsp;]]<br \/>\nthen<br \/>\n&nbsp; &nbsp;if [[ -f \/etc\/sysctl.conf ]]<br \/>\n&nbsp; &nbsp;then<br \/>\n&nbsp; &nbsp; &nbsp; if grep 'unicast' \/etc\/sysctl.conf &gt; \/dev\/null 2&gt;&amp;1<br \/>\n&nbsp; &nbsp; &nbsp; then<br \/>\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;echo &quot;PATCH WAS PREVIOUSLY ENABLED&quot;<br \/>\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;exit<br \/>\n&nbsp; &nbsp; &nbsp; fi<br \/>\n&nbsp; &nbsp; fi<br \/>\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;sudo sysctl -w net.link.ether.inet.arp_unicast_lim=0 &nbsp;&gt; \/dev\/null 2&gt;&amp;1<br \/>\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;echo &quot;net.link.ether.inet.arp_unicast_lim=0&quot; | sudo tee -a \/etc\/sysctl.conf &nbsp;&gt; \/dev\/null 2&gt;&amp;1<br \/>\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;sudo chown root:wheel \/etc\/sysctl.conf<br \/>\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;sudo chmod 644 \/etc\/sysctl.conf<br \/>\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;echo &quot;PATCH ENABLED&quot; <br \/>\nfi<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>#!\/bin\/bash ############################################# # AUTHOR: JONATHAN SCHWENN @JONSCHWENN &nbsp; &nbsp; &nbsp;# # MAC MINI VAULT &#8211; MAC MINI COLOCATION &nbsp; &nbsp; &nbsp;# # [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1830","post","type-post","status-publish","format-standard","hentry","category-info-on-tech"],"_links":{"self":[{"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/1830","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1830"}],"version-history":[{"count":0,"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/1830\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1830"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1830"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1830"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}