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Did you try getting a trace of the communication using a protocol analyzer? That ought to show you any errors associated with network name/address/other resolution. Packeteer

Wow... Ok... start with Sniffer or EtherPeek to check for packet-level errors (such as excessive broadcasts or some ICMP traffic that indicates possible routing, configuration or hacking problems). Then add a copy of NetDoppler from WildPackets and do some latency and throughput testing. Get...

Ok, gunthnp... I see... you're doing the nice frame tagging type of VLAN 802.10 stuff... the 'real stuff'... in that case there is the VLAN ID stuff packed into those packets. The switches on the outside of the VLAN core will spit out the packets in the native Ethernet II frame format...

Can ya ping anyone outside? Consider getting a network analyzer software on your system (you really should have one handy for all your troubleshooting and firewall testing)... even a demo version would probably suffice in this case... Capture packets to and from your workstation as you...

>... quantitative relationship between latency at the physical layer (dominated by the propagation of light down the fiber) and its effect on latency at layer 2/3. Ok... so you're the layer 1 latency guy, eh? Well... I'm a NIC that uses an access method like CSMA/CD... I need to wait for the...

Well... Ideally the DHCP server should ARP for the IP address it's about to assign. Then it should try to ping the IP address to ensure no one is using it... I don't think MS does that <sigh>.... they've also had some problems with the expiration of their IP addresses. Why don't you...

The message should state that another computer has the IP address of the local system. It should identify the hardware NIC address of the device that has the same address... When your computer boots up, it should do a duplicate IP address test (ARP). If another device has the same address and...

You need an ISP. See http://www.screen.com/start/guide/connecting.html for more information on web usage.

VLANs don't alter the packets or headers going through a network. Let's see... you want to add a wireless network to a network VLAN? Is that what you're trying to do? Well... consider the wireless AP (Access Point) as a bridge. Add the AP's port to your VLAN and now all the members of your...

The Intel 10/100 cards are promiscuous -- you'll capture all the packets to other devices as long as they come down your cable (like from a hub). I don't think the card will show you Ethernet errors, however.