Latest threads in Ethernet LANshow only best voted threads
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Tagging TOS to 802.1P COS
Hi All, I intend to tag the TOS field in the IP header to the COS field of the 802.1P header. I am unable to find out if there is a provision for accomplishing TOS-> COS tagging within the linux...
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16 years ago
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Use of ethernet frame without TCP/IP
Hi All, I guess this question would be quite trivial but nevertheless I had a doubt. I need to transfer some amount of data(1000 bytes) between 2 system running linux . each having its own NIC. Though...
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16 years ago
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The 100Base-X switch and the transmit error /H/ code
Bonsoir, We can read in 802.3, =A724.2.21.6: "The normal use of the /H/ indicator is for repeaters to propagate received errors". This operating was needed when the hub linked interfaces with...
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16 years ago
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Use VLANs to limit Multicasting
Hey guys, I will try and make this make sense. First of all if there is another group that this might be suited for please point me in the right direction. I have a situation where I have multiple IP...
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16 years ago
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assigning MAC address to a VLAN
Hi all, I am working as a protocol / feature developer in L2 / L3 layers........I have come across equipments ( L3 switches) that have the facility of giving a MAC address to a VLAN. I would like to...
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16 years ago
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Myrinet against ethernet
How is myrinet different from ethernet standard ? Is myrinet propreitory ? Does it follow the same protocol ? Can NICs work interchangeably in both the standards ? It would be great if somebody helps...
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16 years ago
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extending a network to a building 50 m away
There is a LAN in small building (almost like a home network) with a few computers, a server, a printer, and a few access points, and Internet connectivity. The users now want to extend this to a...
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16 years ago
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connecting switches
We have 3 48 port switches in the same room. Currently they are connected with 1 straight thru cat5e between each. Somebody said they should be connected by a crossover cable. Is that true? Its...
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16 years ago
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Scrambling in 1000Base-T
Bonjour, In 1000Base-T Ethernet, the scrambling at the master side is different from the scrambling at the slave side. Is someone knows the reason? At the master side, the polynomonial is: 1 + X13 +...
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16 years ago
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What's the going rate for LAN wiring?
Small office, 12 drops w/4 cables at each drop (one drop has 6) = 50 terminations. False ceiling, no masonry walls. Longest distance from wiring closet: 45 ft. Above ceiling: dusty, dirty, filthy....
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16 years ago
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What LAN speeds can I expect?
We just upgraded the office network, pulling new cat-5e cable over the suspended ceiling and into the walls. All connections use quality hardware. The gigabit switch is a LinkSys SR2024: The computers...
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16 years ago
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About 10 Gbit/s class
Bonsoir, I suppose we can consider 3 Ethernet classes: - Entreprise class Ethernet - EFM - Carrier class Ethernet I'm a little bit worried to consider the 10G family as an "entreprise class Ethernet"....
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16 years ago
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What's a good place to buy networking gear?
Yeah, trying to outfit a 3 story building with cat 5e cable. Just wondering what a good cheap place to buy gear would be. the first floor will have the main switch everything is connected to while the...
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16 years ago
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Is there anybody here having IEEE's DSRC/WAVE 1609 standard documents?
I wanna do some research on it, but it's hard for me to get since i'm out of USA and it's somewhat urgent for me.... If someone has got it, would you pls send it to: at Many Many Thanks really!!!!!...
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16 years ago
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MII preamble size
IEEE 802.3 clause 22 talks about the Media Independent Interface (MII). 22.2.3 says, "Data frames transmitted through the MII shall have the frame format shown in Figure 22-10." Figure 22-10 looks a...
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16 years ago
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