[PLUG] what do these network errors mean?

Michael Whitman on Fri, 8 Mar 2002 15:10:11 +0100

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• From: Michael Whitman <michaelw@palawnet.com>
• To: plug@lists.phillylinux.org
• Subject: [PLUG] what do these network errors mean?
• Date: 2002年3月08日 09:06:20 -0500
• Reply-to: plug@lists.phillylinux.org
• Sender: plug-admin@lists.phillylinux.org

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Hi all,

I am getting two error repeatedly on my unlogged console.

ip_conntrack : maximum limilt of 3072 entries exceeded

AND

NET: 1535 messages suppressed.

This link
http://netfilter.samba.org/documentation/FAQ/netfilter-faq-3.html
suggests that it is do multicast packets.

I am on the new improved Comcast network, so I assume this has something to do with it.
The above link suggests I as the line to my iptables script.

iptables -t mangle -I PREROUTING -j DROP -d 224.0.0.0/8

Does this make sense? What does the 224.0.0.0/8 represent? WHat is multicast?

thanks -Mike

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