Date: Tue, 2 Feb 1999 08:05:20 -0800 From: "Justin Wolf" <jjwolf@bleeding.com> To: <freebsd-stable@FreeBSD.ORG>, "Benjamin Gavin" <gavinb@supranet.net> Subject: Re: 3Com 3C509B Oddities Message-ID: <002f01be4ec5$e793cea0$06c3fe90@cisco.com>
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Just to make sure it's nothing obvious - is your subnet set correctly and there aren't any other machines sharing the same IP, right? What about routers? Just checking... -Justin ----- Original Message ----- From: Benjamin Gavin <gavinb@supranet.net> To: <freebsd-stable@FreeBSD.ORG> Sent: Tuesday, February 02, 1999 7:16 AM Subject: 3Com 3C509B Oddities >Hi all, > I ran into an interesting problem yesterday when running >3.0-19990201-STABLE installation. While trying to perform a FTP install, >my card seemed unable to respond to ip traffic. The card was set up in PNP >mode (0x300, IRQ 10 detected in dmesg). The card seemed to setup >correctly, assigned 192.168.0.32 as an IP, then tried to pass some ip >traffic through it. I ended up with about 95% of the packets dropped, but >the link light remained on, and some of the packets were getting through at >their normal speed (0.6 ms). > After fighting with it for a while, I went in with the 3Com config >program, hard assigned these values into the card, diabled PNP, and >restarted. This led to yet another interesting behavior, in this case the >card seemed unable to talk through the firewall, the ping times were fine, >but the ftp wouldn't work, in either active of passive mode. I have at >least ten other machines behind the firewall and they were all working just >fine. > Finally I gave up and switched it over to public IPs, after which time it >worked fine (public IP's are on a standard hub, private IPs are on a >switch). Anyone have an explanation here? I can't figure it out. > I also noticed that there were a number of kernel messages where IPs were >switching between numerous MAC addresses (don't have the exact numbers, but >I also noticed the same thing happening on the firewall). For example: > >On 3.0-STABLE box: >... /kernel: 192.168.0.1 moved from 00:...:8f to 00:...:8e >... /kernel: 192.168.0.1 moved from 00:...:8e to 00:...:8c >... /kernel: 192.168.0.1 moved from 00:...:8c to 00:...:8f > >On Firewall (3.0-STABLE): >... /kernel: 192.168.0.32 moved from 00:...:4b to 00:...:4d > >Anyone got any ideas? The firewall server is running 3.0 CVSup'ed probably >2 weeks ago. > >Thanks, >Ben > >/-------------------------------------------------------------------------- / > Benjamin Gavin - Senior Consultant > > *********** NO SPAM!! ************ > >To Unsubscribe: send mail to majordomo@FreeBSD.org >with "unsubscribe freebsd-stable" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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