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Questions tagged [raw-ethernet]

90 questions
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Does a packet sent out to 3G network have Ethernet Header?

I'm capturing 3G data on my iOS device using RVI interface on my mac. Looks like I'm succeed making capture and I can analyse RX/TX traffic. Currently I'm streaming a UDP stream out to 3G network. So, what I want is to measure traffic and get some…
Ashot Arakelyan
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ndisprot on Windows 7 64 bit without using a signed driver

I heard it might be possible to run ndisprot 6 on Windows 7 64 bit for development before having to create a signed driver. Can someone help with this? Creating a signed driver is not what I want. I have been using ndisprot sample driver under…
Edward
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Winsock Join MAC ADDRESS Multicast group

Is there a way to join an Ethernet multicast group? All documentation I found is about adding an IP group. I just want to receive the Cisco CDP packet that is sent to the MAC address 01:00:0c:cc:cc:cc.
BadChoice
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c++ unable to open raw socket using Ubuntu and Netbeans 6.9

I'm trying to send/recv raw ethernet under Ubuntu. I've no problem running code in c through the terminal. However when i've tried to convert the code to c++ using Netbeans IDE 6.9 it fails to open the raw socket. calling: socket(PF_PACKET,…
Ami DATA
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Transfer data using NDIS

I am working on fpga firmware, in which i want to have very fast data transfer using ethernet . I got help from FPGA forum they say that suggest designs for data transfer using light weight internet protocol (LWIP). How this is different from…
user1107855
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Arduino Ethernet HTTP request to none port 80

I have a REST interface that listens on port 8733. I can test it with Fiddler, and it answers. I have copied the Fiddler request and put it into an Arduino with the following program. When I run it then my REST interface is not hit. I have tried to…
Jan Vercauteren
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What is a ethernet frame sample which can be sent?

i want to send a ethernet frame from FPGA to my PC for wireshark to receive i pass payload into CRC generator to get the CRC result, but i guess CRC error as wireshark not received any thing which is my payload i got 2 ideas 1. find a ethernet frame…
M-Askman
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How can I speed up packet capturing and packet send with jpcap

DSP send raw ethernet packets to PC than PC capturing these packets and send ack response. They are messaging MAC to MAC so there are no ip layer. I want to make real-time messaging in every 1ms. DSP send message every 1 milisecond but PC can not…
Leo Eroz
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Is Dhcp option 53 mandatory in Dhcp offer?

I'm trying to find out whether option 53 in DHCP offer is mandatory or not. I've found this short snippet: in book but I'm looking for any confirmation in rfc. I've checked this one but in section about option 53 there is no word of whether it is…
Patryk Kaczmarek
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what to do if i see Ethernet FCS in middle of data and in the end of packet in Ethernet II ,jumbo Frame AND DIX

as we know the FCS is an end part of the Ethernet packet frame structure, and by checking the FCS part we can find that an error happened in data transfer or not. I have a question about FCS checking in ETHERNET II or DIX packet these frames don't…
Amir Hamidi
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Coding an Ethernet bridge from scratch

Question: How to I create a two-threaded bridge in code (not using brctl addbr br0 or some similar networking method, but writing the code) with one that takes Ethernet frames from ETH1 and puts them on ETH2, while the other takes them from ETH2 and…
Gabe
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Ethernet cables types for gaming

Which cables are best for gaming, cat5 e or cat7? I have top tier internet connection. So im just looking for latency to the minimum
user8480332
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how to transfer a ethernet frame?

I want to send data to my friend. I don't know his IP address. But I know his MAC address. So I have to send data using Ethernet frames. I wrote a program, but it is not working. I didn't understand where is the problem? Where I did a…
rajk
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How to sniff cdp message-packets from a cisco switch using JAVA

I am trying to sniff a cdp packets from a cisco switch. Because I am going to deal with a lot of switches I can't specify all models, I am asking in general is there a way to this using java?
David8988
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How to implement an ethernet modem

Okay, what I want to do, as a training exercise, is to implement something like this client --ethernet--> Modem1 --GPIO--> Modem2 --ethernet--> My Home Router Where the client connects to Modem1 using an ethernet cable. Modem1 is a Raberry PI,…
SomeNorwegianGuy
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