Ethernet LAN

Multicast MAC in Source MAC Address Field

Hi, is it allowed/forbidden to send an Ethernet Source MAC address field with a multicast MAC address in it? Any refere...

7 comments posted 20yrs

posted by matthias.schaerer

7 comments posted 20yrs posted by matthias.schaerer

Gigabit Flexibility with Magnum 6K32T Managed Switch from GarrettCom, Inc.

GARRETTCOM ADDS TO AVAILABILITY, FLEXIBILITY, AFFORDABILITY OF GB THROUGHPUT WITH MAGNUM 6K32T MANAGED SWITCH FOR INDUS...

0 comments posted 20yrs

posted by mktg

0 comments posted 20yrs posted by mktg

Can a standard NIC be triggered to send an electrical signal?

Hi! Does anyone know if a standard NIC can be configured to send an electrical signal down a cable? If yes, then can we...

4 comments posted 20yrs

posted by genielicious_at_yahoo_dot_com

4 comments posted 20yrs posted by genielicious_at_yahoo_dot_com

Ethernet Controller Basics

Hi, I have been asked to study about SMSC ethernet controller. I am going through the data sheet and am not understandi...

3 comments posted 20yrs

posted by john.maximus

3 comments posted 20yrs posted by john.maximus

Problem with Crossover Cable

At my home, My modem is connected to Phone adaptor from Sunrocket.com via crossover cable, From Adaptor,I have RJ-45 co...

0 comments posted 20yrs

posted by GetSamir

0 comments posted 20yrs posted by GetSamir

Losing connection...

I'm not 100% sure whether this is an Exchange issue, or something on our network, but either way it is very strange......

1 comments posted 20yrs

posted by chris

1 comments posted 20yrs posted by chris

How to force machine to choose a network.

I'm hoping someone can give me some suggestions on how to solve a problem we're having here at work. I have two desktop...

9 comments posted 20yrs

posted by Ninja67

9 comments posted 20yrs posted by Ninja67

autonegotiation and media converters

Folks, I've got a question concerning media converters and autonegotiation. Consider the following diagram (a fixed wid...

5 comments posted 20yrs

posted by mark.boolootian

5 comments posted 20yrs posted by mark.boolootian

PoE powered device connected to the not PoE switch

I design the Ethernet device that will be used mainly in PoE networks. But I want to insert the addition power entry fr...

7 comments posted 20yrs

posted by mfeldchtein

7 comments posted 20yrs posted by mfeldchtein

how does auto-mdix work

I have an auto-sensing (not auto-negotiation) card that thinks its connected to a 10 mbps switch port. The switch port...

0 comments posted 20yrs

posted by ndav1

0 comments posted 20yrs posted by ndav1

Switch Questions

I manage a small network (75 desktops, 4 servers) with a single HP Procurve 4000m switch which has one 1-port gigabit m...

10 comments posted 20yrs

posted by bpanders71

10 comments posted 20yrs posted by bpanders71

Help with theory question on network topology

I'm trying to mark a paper that deals with networks and I'm trying to establish whether a question is correct. The ques...

8 comments posted 20yrs

posted by fran_beta

8 comments posted 20yrs posted by fran_beta

Linksys Lies! WAPPOE(12) isn't 802.3af !!

I got a couple of sets of the Linksys WAPPOE12 Power-Over-Ethernet boxes for putting WiFi APs in distant places without...

10 comments posted 20yrs

posted by

10 comments posted 20yrs posted by

USB Ethernet controllers that use the ASIX AX88772 or AX88172 USB-Ethernet bridge devices

Does anyone know of any USB Ethernet controllers that use the ASIX AX88772 or AX88172 USB-Ethernet bridge devices? Thank...

0 comments posted 20yrs

posted by natkelcri

0 comments posted 20yrs posted by natkelcri

Multicast MAC and Unicast IP Address

Is it allowed to have a multicast MAC address linked to a unicast IP address? If not what standard specifies this? I kn...

7 comments posted 20yrs

posted by schaerermat

7 comments posted 20yrs posted by schaerermat