{"id":4356,"date":"2012-01-24T15:26:10","date_gmt":"2012-01-24T20:26:10","guid":{"rendered":"http:\/\/g33kinfo.com\/info\/?p=4356"},"modified":"2012-01-24T15:26:10","modified_gmt":"2012-01-24T20:26:10","slug":"clearing-the-arp-cache-in-linux","status":"publish","type":"post","link":"https:\/\/g33kinfo.com\/info\/clearing-the-arp-cache-in-linux\/","title":{"rendered":"clearing the arp cache in linux"},"content":{"rendered":"<p>You can clear the arp cache using following commands:<\/p>\n<p><strong>Current arp cache<\/strong><br \/>\n<code>root@server [~]# arp -n<br \/>\nAddress      HWtype  HWaddress           Flags Mask  Iface<br \/>\n70.167.140.1 ether   00:00:0C:9F:F0:04   C           eth0<br \/>\n<\/code><br \/>\n&nbsp;<br \/>\n<strong>Clearing arp cache with verbose<\/strong><br \/>\n<code>root@server [~]# ip -s -s neigh flush all<br \/>\n70.167.140.1 dev eth0 lladdr 00:00:0c:9f:f0:04 ref 42 used 17\/0\/65 REACHABLE<br \/>\n*** Round 1, deleting 1 entries ***<br \/>\n70.167.140.1 dev eth0  ref 42 used 0\/0\/0 INCOMPLETE<br \/>\n*** Round 2, deleting 1 entries ***<br \/>\n*** Flush is complete after 2 rounds ***<\/code><br \/>\n&nbsp;<br \/>\n<strong>Current entries<\/strong><br \/>\n<code>root@server [~]# arp -n<br \/>\nAddress      HWtype  HWaddress           Flags Mask  Iface<br \/>\n69.167.140.1 ether   00:00:0C:9F:F0:04   C           eth0<br \/>\n<\/code><br \/>\nYou can also delete specific arp entries using the two following command<br \/>\n<code>root@server [~]# arp -d 192.168.1.1<br \/>\nroot@server [~]# arp -d 192.168.1.2<br \/>\n<\/code><br \/>\n&nbsp;<br \/>\n<strong>Add a static arp entry<\/strong><br \/>\n<code><br \/>\nroot@server [~]# arp -s 192.168.1.10 00:00:93:12:04:57<\/code><\/p>\n<p>tested on CentOS release 5.7 (Final)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>You can clear the arp cache using following commands: Current arp cache root@server [~]# arp -n Address HWtype HWaddress Flags Mask Iface 70.167.140.1 ether 00:00:0C:9F:F0:04 C eth0 &nbsp; Clearing arp cache with verbose root@server [~]# ip -s -s neigh flush all 70.167.140.1 dev eth0 lladdr 00:00:0c:9f:f0:04 ref 42 used 17\/0\/65 REACHABLE *** Round 1, deleting&#8230; <\/p>\n<div class=\"read-more navbutton\"><a href=\"https:\/\/g33kinfo.com\/info\/clearing-the-arp-cache-in-linux\/\">Read More<i class=\"fa fa-angle-double-right\"><\/i><\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-4356","post","type-post","status-publish","format-standard","hentry","category-networking"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>clearing the arp cache in linux - Linux Shtuff<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/g33kinfo.com\/info\/clearing-the-arp-cache-in-linux\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"clearing the arp cache in linux - Linux Shtuff\" \/>\n<meta property=\"og:description\" content=\"You can clear the arp cache using following commands: Current arp cache root@server [~]# arp -n Address HWtype HWaddress Flags Mask Iface 70.167.140.1 ether 00:00:0C:9F:F0:04 C eth0 &nbsp; Clearing arp cache with verbose root@server [~]# ip -s -s neigh flush all 70.167.140.1 dev eth0 lladdr 00:00:0c:9f:f0:04 ref 42 used 17\/0\/65 REACHABLE *** Round 1, deleting... 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