arplookup problems

[Dave+Seddon]

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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