Ethernet LAN

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Shortest ethernet frame time = 5.76uS?

Could someone check my calculations? I'm looking for the shortest time an Ethernet frame will occupy the wire. I make i...
17 comments posted 17yrs
posted by james.harris.1
17 comments posted 17yrs posted by james.harris.1

RMII MII Help Please

Note: I also posted this to c.a.embedded. I'm not sure it belongs here, but no answers there so far... In putting toget...
1 comments posted 17yrs
posted by blip
1 comments posted 17yrs posted by blip

Sharing a switch port

we have 20 new PCs being setup in a conference room. We have only 5 jacks in the room wired to our ethernet switch in t...
6 comments posted 17yrs
posted by japhyrider2005
6 comments posted 17yrs posted by japhyrider2005

Theory behind 31.25 MHz in 100BASE-TX?

Hi there, 100BASE-TX is said by a number of authors to have its fundamental frequency at 31.25 MHz, but the proofs give...
9 comments posted 17yrs
posted by yar
9 comments posted 17yrs posted by yar

layer-2 tracking

we have ethernet network with many segments, something like campus, quite a lot of cascading switches, most of them unm...
2 comments posted 17yrs
posted by sali
2 comments posted 17yrs posted by sali

illicit connection

Hi all, I have read the following in a book traditional Ethernet co-axial cables (10Base 2) can be tapped without cutti...
5 comments posted 17yrs
posted by aarklon
5 comments posted 17yrs posted by aarklon

Efficiency of link aggregation

Is anyone aware of any studies on the efficiency of 802.3ad link aggregation. Since a hash is used to determine which m...
11 comments posted 17yrs
posted by ghanwani
11 comments posted 17yrs posted by ghanwani

Best book covering Ethernet PHY

Hello, Could someone please recommend a good book covering 10/100/1000Base-T PHY level? Alternatively, which parts of t...
0 comments posted 17yrs
posted by mbmsv
0 comments posted 17yrs posted by mbmsv

How to open the hood on this D-Link Ethernet switch?

Dear everyone, apologies for a question that's more hardware-related than networking related... I have a D-Link DGS-121...
3 comments posted 18yrs
posted by Frantisek.Rysanek
3 comments posted 18yrs posted by Frantisek.Rysanek

VLAN Filtering

Hello I've a web link for u http://www2.rad.com/networks/2006/vlan/filter.htm here in this page this line is mentioned...
6 comments posted 18yrs
posted by vikrant.pandey
6 comments posted 18yrs posted by vikrant.pandey

Questions regarding the AUI concepts

Hello! In the book by Charles Spurgeon on Ethernet, described here. http://preview.tinyurl.com/5ayt7u He mentions on pa...
3 comments posted 18yrs
posted by gregg.drwho8
3 comments posted 18yrs posted by gregg.drwho8

RSTP - Changing Forward Delay

My RSTP is working with accordance to 802.1w-2001 Did the changing of the Forward Delay can lead to some traffic hit in...
0 comments posted 18yrs
posted by andrey.melnitsky
0 comments posted 18yrs posted by andrey.melnitsky

Multicast VLAN Id

Hello If i set the default vlan id of a l2 switch to 1 then is it possible that i set the Multicast VLAn ID of the same...
2 comments posted 18yrs
posted by vikrant.pandey
2 comments posted 18yrs posted by vikrant.pandey