Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

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. ...

-3
votes
0answers
20 views

How to set mld version to 1 on windows [on hold]

My windows client is sending mldv2 report to router by default but i want it to send mldv1 report. Can someone please provide configuration steps for windows. Thanks in advance.
0
votes
0answers
54 views

ffmpeg restreaming with an intermittent input

I have a live unicast stream that I restream as multicast. This works fine: ffmpeg -i <uri> -c:v copy -an -f rtp rtp://<multicast_ip>:<port> However, on occasion the input stream ...
0
votes
1answer
83 views

Does facebook multicast or unicast a live video? [closed]

I was wondering if Facebook uni-cast or multicast an ongoing live video streaming to a group of users. For example, if a user joins a live stream, will he/she get a separate uni-cast or multi-cast ...
0
votes
1answer
52 views

Routers block multicast request once node joins the same group

In the software I used, same "node" needs to join an IPv4 multicast group (to respond to the network protocol requests) but also needs to send requests to the same IPv4 multicast group (in order to ...
0
votes
0answers
35 views

Chromecast directly to specific IP Address

I've got a complicated network setup that involves multiple VLANS and subnets. The chromecast device is on a separate range to the laptops, however the two networks can communicate with each other ...
0
votes
0answers
89 views

if wireshark shows a layer 2 multicast packet on a WLAN should all connected clients receive it?

I have an Android device connected to a WLAN via a Cisco WAP121 access point. The android device runs an app that sends out an MDNS query for services. This all works fine for a while and then I stop ...
1
vote
0answers
79 views

Netgear X6S R7900P - Multicast

have a Netgear X6S R7900P set up as a Wireless AP which is connected to a Apple Airport Extreme. I ran into an issue where a multicast sent from one of the computers connected to the Apple Airport ...
0
votes
0answers
34 views

Why is my Mac persistently scanning multicast address?

I have a Linux machine with Psad installed. When I observe the log reports generated (admittedly I have Psad configured to be particularly sensitive), it lists a large number of scans originating ...
0
votes
0answers
49 views

Connecting two clients on different physical interfaces using smcroute

I am very new to networking. I have two clients connected on two different physical interfaces which has upnp running on them. I want to add both of them to the same multicast group, so that they both ...
0
votes
0answers
37 views

pimd over gre tunnel

I have running gre tunnel: me: 192.168.0.34 the other side: 192.168.0.33 Pimd sends packets to multicast peers: > pimd -N -f -d 12:49:20.679 query_groups(): Sending IGMP v3 query on wpg-tun1 12:49:...
0
votes
1answer
95 views

Beacon interval low power mode

I am creating a UDP multicast net using Ubiquiti Rocket M2. None of the hardware receivers (ESP 8266) are on lower power mode. The only (possibly) low power device that is connected to the AP is my ...
0
votes
0answers
56 views

Setup Multicast on Aruba Procurve 5400z

I need hosts on VLAN 20 to receive multicast packets from address 239.0.1.4 on VLAN 3. I've read that I need to configure this on the VLAN where is it needed, but I'm not sure if that means to ...
2
votes
1answer
471 views

Why does router send packets to the multicast address?

I have a computer running linux and it has ufw activated with a couple of simple rules set. It is connected to ASUS 4G-N12 router by wifi. When I looked in ufw logs a few days ago it turned out that ...
0
votes
0answers
472 views

Set up multicast in MikroTik router and in PC

My internet provider broadcasts several TV channels over multicast on port 5004. They provided me with these instructions for enabling receiving of their multicast broadcast: In your case it is ...
0
votes
2answers
130 views

Remote shutdown of a group of linux servers (SNMP/Bonjour/socat?)

I have a group of linux servers on my subnet that I want to be able to remotely shutdown from a master machine. I don't want the non-master machines to have to coordinate with the master in advance, i....

15 30 50 per page