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<FONT face=Tahoma size=2><B>From:</B> centos-bounces@centos.org
[mailto:centos-bounces@centos.org] <B>On Behalf Of </B>chloe K<BR><B>Sent:</B>
Thursday, November 27, 2008 9:10 PM<BR><B>To:</B> CentOS mailing
list<BR><B>Subject:</B> Re: [CentOS] Neighbour table
overflow<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV>what is your netmask?<SPAN class=453042202-28112008><FONT face=Arial
color=#0000ff size=2> </FONT></SPAN></DIV>
<DIV><SPAN class=453042202-28112008></SPAN> </DIV>
<DIV><SPAN class=453042202-28112008><FONT face=Arial color=#0000ff size=2>eth0 =
255.255.240.0</FONT></SPAN></DIV>
<DIV><SPAN class=453042202-28112008><FONT face=Arial color=#0000ff size=2>eth1 =
255.255.255.0</FONT></SPAN></DIV>
<DIV><SPAN class=453042202-28112008><FONT face=Arial color=#0000ff size=2>lo =
255.0.0.0</FONT></SPAN></DIV>
<DIV><SPAN class=453042202-28112008></SPAN> </DIV>
<DIV><SPAN class=453042202-28112008><FONT face=Arial color=#0000ff size=2>These
don't look right except for eth1. I have made no changes to these in about
4 years.</FONT></SPAN></DIV>
<DIV><SPAN class=453042202-28112008></SPAN> </DIV>
<DIV><SPAN class=453042202-28112008><FONT face=Arial color=#0000ff
size=2>Thanks</FONT> </SPAN><BR><BR><B><I>Thomas Dukes
<tdukes@sc.rr.com></I></B> wrote: </DIV>
<BLOCKQUOTE class=replbq
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">Just
started getting this. I tried the following by adding it to
my<BR>etc/sysctl.conf:<BR><BR>net.ipv4.neigh.default.gc_thresh1 =
4096<BR>net.ipv4.neigh.default.gc_thresh2 =
8192<BR>net.ipv4.neigh.default.gc_thresh3 =
8192<BR>net.ipv4.neigh.default.base_reachable_time =
86400<BR>net.ipv4.neigh.default.gc_stale_time = 86400<BR><BR>That pretty much
locked things up. <BR><BR>Then I tried another googled solution:<BR><BR>echo
256 > /proc/sys/net/ipv4/neigh/default/gc_thresh1<BR><BR>echo 512 >
/proc/sys/net/ipv4/neigh/default/gc_thresh2<BR><BR>echo 1024 >
/proc/sys/net/ipv4/neigh/default/gc_thresh3<BR><BR>And adding it also to
etc/sysctl.conf:<BR><BR>net.ipv4.neigh.default.gc_thresh1 =
256<BR>net.ipv4.neigh.default.gc_thresh2 =
512<BR>net.ipv4.neigh.default.gc_thresh3 = 1024<BR><BR>Still not
working.<BR><BR>Any
ideas?<BR><BR>TIA<BR><BR><BR>_______________________________________________<BR>CentOS
mailing
list<BR>CentOS@centos.org<BR>http://lists.centos.org/mailman/listinfo/centos<BR></BLOCKQUOTE><BR>
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