I have tested by changing Cable and Switch too but doesnot seem to solve problem. May be it;s due to NIC card, it's inbuilt Intel fxp0 card.
> Date: Thu, 6 Sep 2007 10:17:09 +0100 > From: [EMAIL PROTECTED] > To: [EMAIL PROTECTED] > CC: freebsd-net@freebsd.org > Subject: Re: Interface Status changes to UP and Down > > Gloomy Group wrote: > > Hi all, > > > > I am running Freebsd 6.2 as Transparent proxy Server. My hardware is > > Intel(R) Pentium(R) 4 CPU 3.00GHz, 1GB DDR2 Memory and 2 SATA hardisk. > > While checking dmesg it shows link state change to up and Down and > > sometimes the server crashes. > > > > ipfw: pullup failed > > ipfw: pullup failed > > ipfw: pullup failed > > ipfw: pullup failed > > ipfw: pullup failed > > ipfw: pullup failed > > fxp0: link state changed to DOWN > > fxp0: link state changed to UP > > fxp0: link state changed to DOWN > > fxp0: link state changed to UP > > fxp0: link state changed to DOWN > > fxp0: link state changed to UP > > fxp0: link state changed to DOWN > > fxp0: link state changed to UP > > fxp0: link state changed to DOWN > > fxp0: link state changed to UP > > fxp0: link state changed to DOWN > > > > > > Is this due to misconfigured firewall rules or some special tuning > > need in kernel variables; Below is my IPFW rules: > > This is most likely to be being caused by a cable or hardware problem > (NIC or switch). The firewall can't affect the link state of the NIC. > > > Tom > > > > > 00100 allow ip from any to any via lo0 > > 00101 check-state > > 00102 deny icmp from any to any in icmptypes 5,9,13,14,15,16,17 > > 00200 allow icmp from 202.xx.xx.0/24 to me in > > 00201 allow icmp from 202.xx.xx.0/24 to me in > > 00300 allow tcp from me to any out keep-state > > 00301 allow udp from me to any dst-port 53 keep-state > > 00302 allow ip from me to any out keep-state > > 00303 allow tcp from any 80,443 to me in keep-state > > 00304 allow tcp from any 80,443 to any out keep-state > > 00400 allow tcp from 202.79.xx.0/24 to me dst-port 2001 keep-state > > 00500 allow udp from 202.79.xx.xx 3130 to me dst-port 3130 keep-state > > 00501 allow tcp from 202.79.xx.xx 3128 to me in > > 00600 allow udp from 202.79.xx.xx to me dst-port 161 keep-state > > 00601 allow udp from 202.79.xx.xx to me dst-port 3401 keep-state > > 03000 allow tcp from 202.79.xx.0/24 to me dst-port 3128 > > 03001 allow tcp from 202.79.xx.0/24 to me dst-port 3128 > > 03002 fwd 127.0.0.1,3128 tcp from 202.79.xx.0/24 to any dst-port 80 > > keep-state > > 03003 fwd 127.0.0.1,3128 tcp from 202.79.xx.0/24 to any dst-port 80 > > keep-state > > 65534 deny log logamount 200 ip from any to any > > > > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "[EMAIL PROTECTED]" _________________________________________________________________ Connect to the next generation of MSN Messenger http://imagine-msn.com/messenger/launch80/default.aspx?locale=en-us&source=wlmailtagline_______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "[EMAIL PROTECTED]"