Multicast is the mechanism using which data traffic is reduced thoughout the network if a certain number of receivers are interested in the same data from the same source. This increases the efficiency of the network as less packets needs to be processed by the intermediate routers in the network. ...

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How do I check if my router blocks multicast traffic?

I am trying a sender and receiver multicast c# program on my computer. How do I check if my router blocks multicasting? i.e whether members of the group receive packets from 224.0.0.1.
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How can I test if my Windows XP machine can send multicast packets?

I would like to know how test if my Windows XP machine has the ability to multicast. Therefore, I want to multicast a packet from my machine to itself. How can I do that?
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107 views

IPv6 SSM multicast: is it built in or do you have to use another protocol like PIM-SM with it?

I'm trying to understand how integrated SSM multicast is to IPv6. Is it built in and sent solely by ICMPv6 messages or do you have to run something extra like PIM-SM? The reason I as is I've seen ...
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3answers
355 views

How far does a multicast message go?

I'm wondering how far a multicast message sent from a server can go. What stops it from going to all computers in the world?
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Linux built-in or open source program to join multicast group?

I'm using tcpdump to capture multicast packets and had to code up a custom program to join multicast feeds so tcpdump will "see" the packets. Just wondering if netcat or any other applications can ...
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can Multicast receivers also act as multicast data generators?

suppose I have 4 computers A B C and D. If B C and D are receiving multicast data from A, can one of them ...say B... can also send multicast data to others say A C and D?
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How To Set Multicast Rate On Apple AirPort Extreme

I have an Apple AirPort Extreme Rev C (2011) and I need to set a manual multicast rate. While I can set a manual multicast rate, I only have the option between low, medium and high. In the previous ...
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Problem in listening to multicast in multihomed Linux server

I am trying to write a multicast client on a machine with two NICs, and I can't make it work. I can see with a sniffer that once I start the program the NIC (eth4) start receiving the multicast ...
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Problems Receiving a Multicast stream - How to Debug?

Through my university I've got a multicast stream that I can watch (using VPN). I try to watch it using vlc, vlc udp://@233.121.29.1:1234 but nothing happens. When I try to double click to start it ...
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2answers
529 views

Weird connectivity issue wtih USB Wifi stick

I'm setting up two PCs, and I've been having massive troubles getting a USB wireless dongle working. I have two Sony VAIOs (Windows XP, SP2) that I found second-hand, and since they will be in a ...
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Checking if my ISP supports IP multicast [closed]

I want to cast a live stream and can't tell if my ISP will support multicast or not. How do I check whether my ISP supports IP multicast?
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Software to assist with a training environment

We are currently in the process of building a training room where we will bring clients to train them in the use of our software. The basics are that an instructor will provide training on how the ...