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<p>صفحه‌ای جدید حاوی &#039;<a href="/index.php/%D8%B1%D8%AF%D9%87:Linux" title="رده:Linux">Category:Linux</a> How to resolve &quot;Neighbour table overflow&quot; problem? Gnu/Linux servers (when used extensively as a server) throw the following...&#039; ایجاد کرد</p> <p><b>صفحهٔ جدید</b></p><div>[[Category:Linux]]<br /> How to resolve &quot;Neighbour table overflow&quot; problem?<br /> <br /> Gnu/Linux servers (when used extensively as a server) throw the following messages in log file<br /> <br /> kernel: Neighbour table overflow.<br /> kernel: printk: 100 messages suppressed.<br /> kernel: Neighbour table overflow.<br /> kernel: printk: 151 messages suppressed.<br /> kernel: Neighbour table overflow.<br /> <br /> The solution to the problem is to increase the threshold level for the network devices<br /> <br /> To check the present threshold level 1<br /> <br /> cat /proc/sys/net/ipv4/neigh/default/gc_thresh1<br /> <br /> It will give some value as 128 or 256 or 512.<br /> <br /> This can be increased to the next level.Like if the value is 128 then<br /> <br /> make the thresh1 value as 256 and thresh2 as 512 and thresh3 as 1024:<br /> <br /> #nano /etc/sysctl.conf&lt;br&gt;&lt;br&gt;<br /> net.ipv4.neigh.default.gc_thresh1 = 1024<br /> net.ipv4.neigh.default.gc_thresh2 = 2048<br /> net.ipv4.neigh.default.gc_thresh3 = 4096<br /> <br /> #sysctl -p<br /> <br /> This will stop the Error messages that were recieved in the log file<br /> <br /> <br /> Source: http://www.gnulinuxclub.org/index.php?option=com_content&amp;task=view&amp;id=333&amp;Itemid=49</div>

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