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Network Troublshooting => Linux Servers Support => Topic started by: ashishraj on August 30, 2007, 06:43:44 AM
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i have fedora core2
i faced new prob.
"printk:3004 messeges suppressed
Neighbour table overflow "
and my server rejects nodes...
they cant serf.
plz solve this.
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It is related to your network setup..you machine is unable to determine who is who.
Can you tell me eth setup or your machine.. including netmask.
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sure Ricky
i m using fedora core 2
eth0 = 10.20.114.214 / 255.255.128.0 (isp)
eth1 = 192.168.1.1 /255.255.255.0 (my local network)
ppp0 (xDSL) = assigned by DHCP
i use NAT + squid transparent proxy as per ur saying...
http://www.linuxsolved.com/linux-forums/linux-tutorials-how-tos/configuring-squid-proxy-server-transparent-proxy-t116.0.html (http://www.linuxsolved.com/linux-forums/linux-tutorials-how-tos/configuring-squid-proxy-server-transparent-proxy-t116.0.html)
Ricky u want my squid.conf for more info.?
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As far as I know .. this problem is related to netmask
Try changing eth0 's netmask to
255.255.255.0
Don't worry it will work .
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Ricky as per u say i done it but problem is still running...
after that i done eth0 on DHCP (auto) than after problem is still running....
i remake my squid but no result...
plz.. tell me what is the reson of that
this prob. accured after 1 year of successfully run FC2
plz... solved my prob.
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You can also increase threshold values at :
/proc/sys/net/ipv4/neigh/default/
there must be three files namely..
gc_thresh1
gc_thresh2
gc_thresh3
see their current value and try to raise it (multiple of 8) .. say if 128 then try 256 .
Though this is not the preferred, I feel there must be some misconfiguration or very large number of machines on netwrk.
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i already done that thresh1,2,3....128,256,1024
but no result
only 25 pc on my network..
???
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Ricky
any solution of this ?
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Try isolating your network from internet ie. your ISPs and then see.