Latest threads in Ethernet LANshow only best voted threads
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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...
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12 years ago
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[IEEE 802.1q] terminology: access, trunk & hybrid ports
Hello, I was studying 802.1q standard (two editions were on my desk, 1998 and 2005 year). There was some confusion with terminology used in the standards: the 1998 edition has a small chapter on port...
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12 years ago
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enhanced LACP
Hello, I heard of implementation(s) of LACP that are extending the 802.1ax standard. Googling for "extended LACP" gave some links on vedors white papers, of course without serious details on what...
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12 years ago
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Ethernet cable tool Whats it called
I seem to recollect a tool that would install cat5 crimp plugs in one action. you put the individual wires in the right places, then pressed, the wires were put in the right order, flattened and cut...
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12 years ago
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Product label for PoE device?
What do product labels on devices powered by PoE say about power input? Thx, Ron
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13 years ago
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Ethernet over coax!
For many years questions about using 75ohm coax for ethernet regularly appeared here. After a while, they disappeared. It seems now that the devices are being made, using either the MoCA or HPNA...
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13 years ago
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STP ethertype
Hi, I don't see what is the ethertype for STP. Is it similar to the protocol identifier, which is 00-00 ? Thanks for your opinion, best regards, Michelot
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13 years ago
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Netgear PE102
I bought two Netgear PE102 for $2 each, not knowing what they did. It seems that they are pretty interesting little boxes, though. As I understand from the two page manual I find on the web, they...
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13 years ago
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How does Allied Telesis CentreCOM TM AT-210T and AT-210TS Micro Transceiver work
I recently bought a big box of surplus computer parts at our universities surplus auction for $10.00. It consisted mostly of sound cards and video cards, a couple of external modems, mice,keyboards,...
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13 years ago
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Debugging PHY interface
I am debugging a prototype PCB that includes a Micrel KS8721BL PHY connected to the Ethernet MAC of an Atmel AT91SAM9 CPU. Frame reception appears to work, but *all* transmitted frames are lost. If I...
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13 years ago
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D-Link DFE-530TX+ LAN card "for casual gaming"
Are they just trying to sell a more expensive LAN card? In other words... Will there be any difference in multiplayer gaming latency/ping with a better card? I am wondering whether some LAN cards are...
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13 years ago
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Lan tester
I currently have a problem with my LAN. A cable run to my patch panel is not working A cable running outside got stretched when a window being opened fouled it. I replaced the wire between the cat 6...
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13 years ago
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problem with ethernet cable
hello i have a installed a ethernet straight thru cable of 30m lenght to add a wifi access point to the network of my association. i have tested the cable with a rj45 cable tester the cable is good no...
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13 years ago
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Buying a LAN card, cheap is okay?
I have 3 Mb per second DSL through AT&T. Something is wrong with my system, occasionally spontaneously freezing or rebooting, the onboard motherboard LAN could conceivably be failing, so I will...
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13 years ago
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Filtering hardware addresses within a NIC
In 'Interconnections', Radia Perlman describes a scheme in which NICs hash multicast addresses into several buckets. When the upstream driver needs to subscribe to a multicast hardware address, the...
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13 years ago
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