davids's articles:

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Linux routing mystery. No replies until machine sources traffic. 9 14 (3/22/2010 10:27:12 PM) comp.os.linux.networking I have a mystery on my hands. I believe I've checked all the obvious things and it's quite baffling. The symptom is that a machine sometimes does not reply to pings (or any other traffic) addressed to an aliase... David

FC3 e100 link lost under load. Help please! 0 16 (2/18/2006 5:15:52 AM) comp.os.linux.networking I have an FC3 machine with an Intel eepro100 adapter. The problem is that whenever the network load is high, connectivity is suddenly lost. Here's what the logs typically look like: Feb 11 13:08:14 S netw... David

Gigabit redundant firewall questions (hardware and software) 0 33 (11/2/2004 7:00:35 AM) comp.os.linux.networking I'm trying to set up a redundant firewall configuration. We have two GE links that redundantly (though both active) feed an array of servers. I'd like to interrupt each GE link with a PC acting as a fire... David

Pavilion 533 memory, generic okay? 1 28 (5/4/2004 2:47:28 AM) comp.sys.hp.hardware I have a Pavilion 533 (256Mb of memory as a single DDR SDRAM DIMM and a 2.0 Ghz Celeron processor). I'm looking to upgrade the memory and don't want to pay the huge premium for memory that's guaranteed c... David

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Problem receiving UDP broadcast packets. 8 12 (4/19/2011 11:19:31 PM) comp.os.linux.networking I'm trying to receive UDP broadcast packets. It's not working, and I'm stumped. Here's my test program: ------------------------------------------------------------------------ #include #include #include ... invalid171 (6559)

unable to ping/ssh w/ fedora 3 34 (5/8/2011 6:53:59 PM) comp.os.linux.networking Hi all, What's going on is I can't ping or ssh from the remote to the local but I can ping/ssh from the local. My system has a cable ISP and a wireless router. I've already tried unplugging the cable and the ... matias.364 (5)

seeing only ARP traffic ... 2 35 (5/31/2011 12:17:13 PM) comp.os.linux.networking ~ this question relates more to networking than to the Linux OS, but I may be able to troubleshoot (or somehow probe) these issues using Linux. ~ One day I noticed that I only saw ARP traffic from my modem.... lbrt

Linux box doesn't send tcp ACK in handshake when receiving SYN/ACK to a broadcast address 3 19 (6/8/2011 8:51:52 PM) comp.os.linux.networking Hi all I have a setup in which one of the linux boxes is forced to be sent Ethernet frames with ff:ff:ff:ff:ff:ff:ff as a destination mac. This box has internet connectivity - verified by pinging google.com et... adamkatz0 (2)

install VMware on Linux 3 25 (6/13/2011 10:23:31 PM) comp.os.linux.networking Dear friend I'm try to install VMware-workstation 7.1.4 in OpenSuSE11.4 and don't need to compile and install VMware and tell me to see /tmp/vmware-root/setup.log Jun 13 19:30:54.441: app-3075946176| Your GC... a.hosam (9)

Intel 10G NIC problems 5 21 (9/2/2011 10:22:08 PM) comp.os.linux.networking This isn't probably isn't a Linux question, it's really a hardware issue but please answer anyway. I have a couple of Intel E10G42BTDA Dual SFP+ 10G NICs in a pair of Scientific Linux 6.1 systems. They work ... schvantzkoph (1875)

VERY SLOW Intel e1000 1GB NIC 14 29 (9/23/2011 5:50:28 AM) comp.os.linux.networking I bought an Intel 1GB network card to replace my 100MB Netgear card. My network speed has DRAMATICALLY decreased. My network monitor shows bursts of ~100KB traffic and then pauses. This pattern repeats const... nobody4488 (76)

ssh security question 3 23 (11/14/2011 7:15:34 PM) comp.os.linux.networking I just regenerated the keys on one of my F14 systems. I am still able to access systems which don't have the new public key in their authorized_keys file. The one thing I did differently this time was that I ... schvantzkoph (1875)

Ping second NIC over wire(ignoring loopback) 3 18 (12/6/2011 8:47:47 AM) comp.os.linux.networking Hi, Is there any way to let two local network interfaces communicate with each other without using the loopback device? On the same computer, I have interfaces eth1 (192.168.0.11) and eth2 (192.168.0.12). I ... giray.curgunlu (4)

connecting 3 computers without a router 8 25 (12/26/2011 12:58:08 AM) comp.os.linux.networking Suppose I have 3 pizza boxes, each has 2 x 1 Gbps ethernet ports. If I connect each to both of the others with crossover cables, I eliminate the delay of a router. Is this topology used by anybody? Does it hav... ex-privat (8)