Latest threads in Ethernet LANshow only best voted threads

Subject Author Posted Replies
 
Synoptics Lattishub 2014
Ive got this vintage Lattishub 2014. Its been sitting in storage for some years and i wanted to put it in service in my old school network setup. Ive connected a seriell cable to the service port and...
 
Cat5e Toolless or punch down Jacks
I want to share a little with you, please suggest me about it: Cat5e keystone jacks tooless are designed to be placed on wall plates or patch panels and it is easier than other color-code keystone...
 
Unique MAC Addresses?!?!?!?!?!
Yo, I work with networked medical equipment and there are several companies tha t manufacture devices that are dual honed, where the device is specifically designed to have each NIC connected to a...
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IP address notation
I've seen notation such as 127.0.0.0/8 but don't know what it means. What's the number after the slash? The number after the slash is the number of 1-bits that make up the netmask. In your example,...
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MAC address sticker design
Are there any guidelines or standards for displaying a device's MAC address on the device? I'm developing a small device and I'd like to put a useful sticker on it. I've seen quite a few with...
 
MII SFD Detection with FPGA Logic
Hello,=20 I have to detect the Start of a Ethernet Frame. So I want to make use of a = FPGA. The FPGA will be connected to the MII pins of the PHY (TXD 0-3 and RX= D 0-3, the Clocks, TX_EN and RX_DV)....
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IPG - Inter Packed Gap - why defined to 96 bits?
Hi All, Why IPG is defined as 96 bits? Does anybody know? Are IPG and IFG (Inter Frame Gap) the same? Thank you! I suspect that Inter-Packet Gap and Inter-Frame Gap are one and the same. Packet is a...
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Carrier Ethernet
Hello, they often say, for example that such concepts as "bridge" or "spanning tree" don't scale well to large networks. What exactly is meant here by "scale" ? Thanks. Mark Quite simply that bridges...
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relation between kernel FIB and hardware FIB
Hello This is more a genric question on the implementation of routers. Does a software in the control plane (let's consider RIP, OSPF or BGP protocols) have to install routing entries in both kernel...
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Switch port speed and duplex settings
Hi, Is there any way that I can detect a swtich port's speed and duplex settings via Wireshark? Failing that, does any one know of a utility that I could use? Thanx, Ed via Wireshark? Failing that,...
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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...
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Basic Topology Problem
hi guys. need help for an assignment.what type of network topology do i use for a 8 story 500m building using just a. ethernet cable (cat5e) and switches b. token ring (cat4) and switches given that...
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PMD and 10Base-T
Hi Rich, Perhaps you read this message. Why there is no PMD sub layer for 10Base-T e.g.? It is also that for 1000Base-T and 10GBase-T. Thanks, Michelot
 
Data Sheet For Wi-Fi Chip
Hi All, Anyone know where I can get a (real) data-sheet for "typical" Wi-Fi chip? The more detailed, the better. TIA, -Le Chaud Lapin-
 
MPLS
Hello studying new for me material on MPLS, and have a few questions on it: With my current understanding, to have mpls correctly run on a router, one needs a routing protocol(s) on the same router,...
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