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There are 8136 individual articles here that are part of 1381 discussions
Please see below the list of the most recent and the best rated articles in Ethernet LAN

The most recent discussions

NYC local event: UNIGROUP meeting Thur 16-MAR-2017: DataCenter Structured C...


March 12, 2017, 7:47 am

Unigroup is next week on Thursday evening... Please RSVP if you will be attending... ================================================================== UNIGROUP OF NEW YORK - UNIX USERS GROUP - MA... Read more »

How to do BERT testing on an Ethernet?


October 5, 2016, 3:29 am

Mitch, I would recommend a Viavi/JDSU or EXFO test set. They are designed to do this kind of testing. There are other cheaper alternatives out there as well. They will generate a constant stream of ... Read more »

NFS mounts


September 15, 2016, 5:00 pm

I just posted a question to comp.protocols.nfs, but it looks like the group is 99.9% spam. (I only see one actual article, and more than 99 spam.) I am trying to get diskless Suns to boot, after no... Read more »

POE at 15 volts?


July 17, 2016, 8:13 am

I have a PoE power injector rated at 15V, but I didn't know that there was a PoE standard at 15V. Was this an early version of the standard? Any other place that it occurs? thanks. Read more »

Enable jumbo frames on a port 3com 5500G switch


May 17, 2016, 3:48 pm

int 3/1/4 5500-GigabitEthernet3/1/4] 5500-GigabitEthernet3/1/4] jumboframe enable Read more »

Looking for Ethernet Blade Switch With Isolated Segments


December 8, 2015, 11:39 pm

I am looking for a 4U switch that can insert about six ports on blades, similar to this idea: http://www.tccomm.com/FiberOpticProducts/Products/Ethernet-Network-Devices/Ethernet-Switches/103/Indus... Read more »

Extending a small LAN


November 26, 2015, 11:05 am

We connect to the world through a DSL modem which by necessity is located in the centre of our facility. This modem has four LAN ports. There is a Cat5e line running from one of those ports (LAN1) ... Read more »

I really need help on an avaya merlin magix phone system.


October 28, 2015, 5:04 pm

I have an extension that works internally but I cant get a dial tone for outside calls. Read more »

3 megabit ethernet


March 31, 2015, 6:03 pm

Does anyone here know about 3 megabit ethernet? Do any such chips still exist? Or maybe an FPGA based bridge to 10 megabit would be the easiest way to do the conversion. -- glen Read more »

measuring throughput with netperf


January 23, 2015, 11:57 am

Hello, I'm doing benchmark test of Linux server using netperf. According to information at http://wiki.networksecuritytoolkit.org/nstwiki/index.php/LAN_Ethernet_Maximum_Rates,_Generation,_Capturi... Read more »

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The best rated discussions

rating
5

Used cisco PVDM voice modules in stock,for sale!


I have following used original cisco swithes for sale: PVDM-256K-4 PVDM-256K-8 PVDM2-8 PVDM2-16 PVDM2-32 PVDM2-48 PVDM2-64 PVDM2-24DM PVDM3-16 PVDM3-32 PVDM3-64 PVDM3-128 PVDM3-256 Please contact me... Read more »

rating
5

STP - bridge ID


Hello I'm reading the STP defined by 802.1d and can't understand one thing. All bridges are is uniquely identified by 64-bit long IDs, that in fact is a concatenation of a globally-unique 48-bit b... Read more »

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5

Utilities to Test Gigabit Ethernet


We are putting in gigabit ethernet. In trying to test the speed of the links in individual rooms, it quickly became apparent that we are bottlenecked on things like the speed of the hard drive that... Read more »

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5

looking for pointers to chapter and verse on TEST frames


I'm mucking about with TEST frames - specifically the Linux implementation of the HP-UX linkloop command (and the linkloop_reply code of the Linux implementation, since Linux's networking does not re... Read more »

rating
5

Linksys SRW224P switch? Fan Noise?


Anyone else have one of the above switches? Very nice feature set, but the fans are driving me out of the room. Anyone know how to disassemble it? I gotta do something about those fans... Thanks! Read more »

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5

How to test Ring such as EAPS or RSTP recovery time?


Does anyone know how to test Ring or RSTP recovery time? Any tools I can use? Extreme networks declare the EAPS recovery time is 50ms. Thanks alot, st Read more »

rating
4.33

difference between Repeater,hub,bridge, switch,router, gateway


Hi all as far as i understand the difference between Repeater,hub,bridge, switch,router, gateway are as follows , how correct is my understanding ? Repeater Forwards every frame it receives it... Read more »

rating
4

Does wireshark have the ability to edit and send packet?? Any other softwar...


Hi~ Does wireshark or ethereal have the ability to edit and send packet???? I tried to do this,but it seems not have this function. I found a software Packetyzer can do this,but it have something bug... Read more »

rating
4

100BASE-TX Scrambler Problem


For 100BASE-TX, the scrambler is defined with 18 lines of Verilog code. One could use some different circuit as long as it acts exactly the same as this. That code I include below. If you will ref... Read more »

rating
4

Ethernet packet size and QinQ standard?


A normative question: AS we all know, ethernet has a max packet size of 1514 bytes: 14 bytes header (dst + src + len/type), plus 1500 bytes data. For 802.1Q tagging, the spec was changed to allow a m... Read more »