13
votes
1answer
2k views

What am I misunderstanding about calculating MTU?

Okay, I just finished resolving a jumbo frames issue between a few Xserves, a Netgear GSM7224, and a Drobo B800i. It turned out that the Xserves (Mac OS X 10.6.8 Server) and the Drobo B800i accept the ...
3
votes
1answer
78 views

Machine cannot communicate on local network any more

I have a machine that has a problem I've never seen and cannot understand. The machine is a Dell laptop with Windows 7 Ultimate. The user tried to do something fancy with this machine (bridging the ...
1
vote
2answers
1k views

Windows Server 2008 R2 IP Address Binding order

How do I set the order of multiple IP addresses all bound to one ethernet interface?
0
votes
1answer
166 views

What is maximum traffic of data that can pass through a coproprate intranet in a day? [closed]

Can someone please tell how many maximum terabytes of user data can be passed in a day in a data migration application involving both client and servers on the same intranet, assuming that network is ...
4
votes
7answers
5k views

Latency in TCP/IP-over-Ethernet networks

What resources (books, Web pages etc) would you recommend that: explain the causes of latency in TCP/IP-over-Ethernet networks; mention tools for looking out for things that cause latency (e.g. ...
0
votes
3answers
2k views

Cannot ping host stale ARP cache?

I am having a strange issue with a Debian (Lenny/Linux 2.6.26-2-amd64) that has been driving me nuts. On some machines within my network I can ping the host in question just fine, other times I have ...
0
votes
2answers
96 views

Design for wire between server and access point and RF to endpoint device

We're about to design an inhouse industry network consisting basically of the following: 1 server connected via wire to up to 100 proprietary RF access points (basically embedded devices), which each ...
5
votes
1answer
702 views

What does a magic packet look like?

What does a magic packet contain and what options does the protocol provide?
2
votes
4answers
6k views

Ethernet Loopback plug - running a ping

For a project at work, I need to be able to test various Ethernet NICs by connecting them to a "loopback adapter plug", like this one on various embedded Linux boxen that come off a production ...
4
votes
2answers
6k views

Why does the TCP Chimney Offload feature on some ethernet cards fail to pass some network packets to the OS?

In http://support.microsoft.com/kb/942861 Microsoft reports that in some situations Microsoft SQL Server experiences network issues due to the network card having a TCP Chimney Offload turned on. I ...