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Date:      Tue, 18 Sep 2001 19:30:23 -0600
From:      "Mark J. Sommer" <msommer@argotsoft.com>
To:        francisv@dagupan.com, anu@nttmcl.com, method@method.cx, freebsd-net@FreeBSD.ORG
Subject:   RE: kernel arp messages
Message-ID:  <3.0.3.32.20010918193023.01463ec8@mail>
In-Reply-To: <10F29E27A956D511B0940050DA8D86A908F8F9@chat.dagupan.com>

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I have several client's I've setup with multiple gateways (office WAN, Internet Gateway).  I think this thread is derailed.  4.3 Release and prior (as far as I know) have long supported this configuration.

At 08:08 AM 9/19/2001 +0800, francisv@dagupan.com wrote:
>Is it possible to specify a gateway for each NIC on the next release of
>FreeBSD?
>
>> -----Original Message-----
>> From: Anuranjan [mailto:anu@nttmcl.com]
>> Sent: Wednesday, September 19, 2001 8:02 AM
>> To: 'Mike Saunders'; freebsd-net@FreeBSD.ORG
>> Subject: RE: kernel arp messages
>> 
>> I recently came across the same prblem myself. You're facing it because of
>> the same subnet mask on your cards.  In freeBSD if you configure two cards
>> on the same subnet the kernel gets confused as to which card is the
>> gateway
>> to the router.  THe kernel seems to make this decision based on the fact
>> that if you want to configure two cards on the same machine you want to
>> use
>> it as a gateway between two different networks/subnets.
>> 
>> --A
>> 
>> 
>> -----Original Message-----
>> From: owner-freebsd-net@FreeBSD.ORG
>> [mailto:owner-freebsd-net@FreeBSD.ORG]On Behalf Of Mike Saunders
>> Sent: Tuesday, September 18, 2001 4:45 PM
>> To: freebsd-net@FreeBSD.ORG
>> Subject: kernel arp messages
>> 
>> 
>> Hello!
>> 	I'm hoping somebody can help me with this problem. I'm about at my
>> wit's end.  The problem is that i'm receiving the following messages
>> constantly, at the console, in the syslog, and to root's terminal.
>> 
>> Sep 18 15:01:54 router /kernel: arp: 209.74.92.1 is on xl0 but got reply
>> from 00
>> :00:a2:66:83:41 on ep0
>> Sep 18 15:01:54 router last message repeated 4 times
>> Sep 18 15:01:54 router /kernel: arp: 209.74.87.1 is on lo0 but got reply
>> from 00
>> :60:08:35:57:4e on xl0
>> Sep 18 15:01:55 router last message repeated 2 times
>> Sep 18 15:01:55 router /kernel: arp: 209.74.87.193 is on ep0 but got reply
>> from
>> 00:50:da:c7:e7:68 on xl0
>> Sep 18 15:01:55 router /kernel: arp: 209.74.87.1 is on lo0 but got reply
>> from 00
>> :60:08:35:57:4e on xl0
>> 
>> I'm running a 3.4-RELEASE i386 machine with two network cards.  The
>> machine acts as a router between my LAN and my provider's network.  ep0 is
>> the NIC connected to my LAN and xl0 is my provider's network.
>> 
>> 
>> 	Here's my network configuration:
>> 
>> bash# ifconfig ep0
>> ep0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>>         inet 209.74.87.1 netmask 0xffffff00 broadcast 209.74.87.255
>>         ether 00:60:08:35:57:4e
>> bash# ifconfig xl0
>> xl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>>         inet 209.74.92.209 netmask 0xffffff00 broadcast 209.74.92.255
>>         ether 00:50:da:c7:e3:1a
>>         media: 10baseT/UTP <half-duplex>
>> 
>> my /etc/rc.conf looks like this:
>> 
>> ifconfig_xl0="inet 209.74.92.209 netmask 255.255.255.0"
>> ifconfig_ep0="inet 209.74.87.1 netmask 255.255.255.0"
>> hostname="router.cland-minot.com"
>> gateway_enable="YES"
>> defaultrouter="209.74.92.1"
>> 
>> 	I tried to enable arpproxy_all="YES" in /etc/rc.conf, but that's
>> not helping, I still got spammed by all the arp messages.  With the new
>> IIS exploit causing such increased traffic flow, the arp messages are
>> making console useless by filling the screen as well as lagging the system
>> horribly by churning the disk so much (It's only a pentium 60).  I can't
>> even log into the machine via ssh.  The only way to get a shell on it is
>> to pull the network lines and use the console.
>> 
>> 	So, in short, besides redirecting console and syslog to /dev/null,
>> what can I do to make these arp messages go away?
>> 
>> Thanks!
>> 
>> -Mike Saunders
>> method@method.cx
>> 
>> Network Administrator - cland-minot.com
>> msaunders@cland-minot.com
>> 
>> 
>> 
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