Latest threads in Ethernet LANshow only best voted threads

Subject Author Posted Replies
 
Random Network drop out issue
Hi It is an Onboard NIC? If yes, find $5, get a PCI NIC, and disable the Onboard. Jack (MVP-Networking).
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Very Basic Ethernet Question
Please reply with email. Thanks Which is better (faster) for me to use: 1. The ethernet setup from the cable company attached to USB ? 2. Connection from cable to my onboard ethernet card ?
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A question about STP state manchine
Here are my questions: 1. Many articles say that first step (means system bootup or stp enable or ports up?)It goes to BLOCKING first, but based on BLOCKING defination, it can only receive BPDU....
 
Simply VLAN
Hello group! I have, i think, a simply question. I have a Cisco 2950 (24 ports) switch. On this switch there are 3 sets of 8 ports. what i want to do is make the first set of 8 ports one VLAN and the...
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Tagged / Untagged Vlan
Hi what is Tagged and Untagged? Regards, Liam
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Ethernet over power lines. Are there any gotchas?
I've got a situation that will probably not work with WiFi and running cable is out of the question. I need a Plan B. I'm looking at the Data over Power stuff at the computer store. I see brands like...
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3Com Superstack 4500 VLAN routing
Hello, Just wondering if somebody could point me in the right direction. I have a Superstack 4500, and have set up 2 VLANs, but i would like some routing between the devices on each of the VLANs. I do...
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slow smtp issue/packet capture
I am trying to diagnose a slow email issue from various office scanners that can perform scan to email from their control panel, used to work fine now their is an intermittent situation where scan a...
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LACP - wait while timer
Hi, I want to understand that, I have a Link Aggregation Group (size 16) and I have 16 aggregable ports which exist in my system. Now to select the ports in the aggregate, the selection machine runs...
 
Two different VLANs on the same port
Disclaimer: Stupid questions may follow. What I want to do is to set up a backbone LAN and a mangement LAN. I'm therefore trying to find out if it's possible for me to set up my D-Link 3526 so that my...
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ethernet inactivy traffic
An ethernet PHY (serdes) immediately notices whether there is an ethernet link, even when autonegotiation is disabled (on both sides). How exactly does this work, does the PHY continuously send some...
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Question: LACP
Hi, I am working with LACP for past 1 year. I have the following doubt. Consider a scenario Actor ----- Port A1 Port A2 Port A3 Partner ------- Port B1 Port B2 Port B3 The connections of the port are...
 
CRC Errors on GigE.
Hello, I am hoping somebody with more GigE signalling knowledge can help me out here. I have a hard real time system that is build up of a distributed network of processors. I chose ethernet to be my...
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are flow control and half-duplex support mandatory for gigabit Ethernet?
Hi all, I am developing a gigabit Ethernet MAC and I would like to know if in order to be compliant with the 802.3 standard I must support flow control and half duplex operation. I must also admit...
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Maximum number of stations on IEEE 802.3 networks
IEEE 802.3-2005 refers in sections 9.1 (Repeater unit for 10 Mb/s baseband networks), 27.1.1.1 (100 Mb/s) and 41.1.1.1 (1000 Mb/s) to an "overall limit of 1024 stations on a network". This value's...
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