Date: Wed, 09 Jul 2008 10:11:41 -0400 From: Stephen Clark <sclark46@earthlink.net> To: freebsd-net@freebsd.org Subject: 6.3-p2 gre Message-ID: <4874C71D.5000204@earthlink.net>
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Hello List, I am running ospf over a gre/vpn tunnel. When I run tcpdump on the gre interface ospf stops working. I see the following errors in the ospfd log. 2008/07/09 10:05:02 OSPF: *** sendmsg in ospf_write failed to 224.0.0.5, id 0, off 0, len 68, interface gre1, mtu 1412: Network is down 2008/07/09 10:05:12 OSPF: *** sendmsg in ospf_write failed to 224.0.0.5, id 0, off 0, len 68, interface gre1, mtu 1412: Network is down if I then do ifconfig gre1 down;ifconfig gre1 up ospf start workding again. this does not happen on freebsd 4.x Also if I use the -p flag when running tcpdump things seem to be OK and ospf continues to work normally. Why would putting the gre interface in promiscuous mode cause this problem? Steve -- "They that give up essential liberty to obtain temporary safety, deserve neither liberty nor safety." (Ben Franklin) "The course of history shows that as a government grows, liberty decreases." (Thomas Jefferson)
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