arplookup problems

Daemon daemon at foxchat.net
Tue Sep 27 00:44:12 PDT 2005


I'm not sure how to respond to that.  I was getting the same errors on
older ed0 and rl0 nic cards.  I bought the intel cards because I'm using
them on a production server and have had zero problems with them.


Dave+Seddon wrote:
> There seem to be serious issues around this driver.  There have been
> many posts on this list in the last days particularly, as well as over
> the last few months.  People seem to be looking at it, and I guess once
> we all rush out and by other (e.g. broadcom) NICs intel might try to help.
> dave
> 
> Daemon writes:
> 
>> I hope this is the correct list to post to, if not, I apologize.  I've
>> had an ongoing problem with arplookup for some months now and as of yet,
>> haven't been able to find anything on the web concerning my particular
>> problem.  Every 24 hours, almost to the minute, I get the following
>> errors;
>> *Note This proceeds each arplookup failure
>> em0: Link is Down
>> em0: Link is up 100 Mbps Full Duplex
>> Sep 25 01:32:49 thisbox kernel: arplookup 169.0.0.1 failed: host is not
>> on local network
>> Sep 25 01:33:05 thisbox kernel: arplookup 10.32.240.171 failed: host is
>> not on local network
>> Sep 26 01:23:37 thisbox kernel: arplookup 169.0.0.1 failed: host is not
>> on local network
>> Sep 26 01:23:49 thisbox kernel: arplookup 10.32.240.171 failed: host is
>> not on local network
>> Sep 27 01:23:35 thisbox kernel: arplookup 169.0.0.1 failed: host is not
>> on local network
>> Sep 27 01:23:48 thisbox kernel: arplookup 10.32.240.171 failed: host is
>> not on local network
>> When this happens, one by one, each of my (ssh, gaim, irc, etc.)
>> connections time out until every connection is dead.  I'm using
>> RoadRunner Business Class with a static IP on em0 and an internal subnet
>> 172.16.XXX.XXX on em1.  I was getting the errors on two older nics I
>> had, so I bought new nics in hopes that would correct the problem.  I
>> was running FreeBSD 5.4-Release p7 and switched to FreeBSD 5.4-STABLE
>> about a week ago.  I'm running the most current DHCP server, IPFW2, and
>> NATD.
>> I have the following in /etc/sysctl.conf
>> kern.polling.enable=1
>> net.inet.tcp.syncookies=0
>> net.inet.udp.blackhole=1
>> net.inet.tcp.blackhole=2
>> # TCP send and receive spaces
>> net.inet.tcp.sendspace=1048576
>> net.inet.tcp.recvspace=1048576
>> # Socket queue defense against SYN attacks
>> kern.ipc.somaxconn=1024
>> # Redirects
>> net.inet.icmp.drop_redirect=1
>> net.inet.icmp.log_redirect=1
>> net.inet.ip.redirect=0
>> # Subnet
>> net.link.ether.bridge_cfg=em0,em1
>> net.link.ether.bridge.enable=0
>> net.link.ether.bridge.ipfw=0
>> net.link.ether.ipfw=1
>> # ARP cleanup
>> net.link.ether.inet.max_age=1200
>> # Source routing
>> net.inet.ip.sourceroute=0
>> net.inet.ip.accept_sourceroute=0
>> # Broadcast ECHO response
>> net.inet.icmp.bmcastecho=0
>> # Other broadcast probes
>> net.inet.icmp.maskrepl=0
>> net.inet.ip.fw.dyn_ack_lifetime=3600
>> net.inet.ip.fw.dyn_buckets=1024
>> net.inet.ip.fw.one_pass=0
>> I have the following in my kernel conf;
>> # Firewall Stuff
>> options         IPFIREWALL_DEFAULT_TO_ACCEPT
>> options         IPFIREWALL
>> options         IPFIREWALL_FORWARD
>> options         IPFIREWALL_FORWARD_EXTENDED
>> options         IPFIREWALL_VERBOSE
>> options         IPFIREWALL_VERBOSE_LIMIT=10
>> options         IPDIVERT
>> options         DUMMYNET
>> options         BRIDGE
>> options         IPSTEALTH
>> options         HZ=1000
>> options         DEVICE_POLLING
>> It is probably a bad idea to post my /etc/rc.conf ifconfig info here,
>> but since I'm almost positive that in order for someone to help me track
>> this down, they're going to want/need to know what is in there, I'll
>> wait in hopes of a response first.
>>
>> Regards,
>> Mark
>> _______________________________________________
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> 
> 
> 
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