Receiving multicast traffic on host-only interface The 2019 Stack Overflow Developer Survey Results Are In Announcing the arrival of Valued Associate #679: Cesar Manara Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern) Come Celebrate our 10 Year Anniversary!How to share internet connection on Mac OS X to Virtualbox vm’s using Host-onlyLinux Kernel not passing through multicast UDP packetsWhy are my listener-less multicast packets affecting Wifi performance?Routing traffic from Linux through a VirtualBox Windows installDebugging multicast connection over VPNVirtualBox - multiple guests, each with a single bridged adapter?individual windows machine refuses to join multicast group on any network interfaceMachine with bonded interface does not receive multicast packets on all slave interfacesHyper-V Windows hosts see/count multicast traffic that they shouldn'tReceive multicast frames from different subnets
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Receiving multicast traffic on host-only interface
The 2019 Stack Overflow Developer Survey Results Are In
Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)
Come Celebrate our 10 Year Anniversary!How to share internet connection on Mac OS X to Virtualbox vm’s using Host-onlyLinux Kernel not passing through multicast UDP packetsWhy are my listener-less multicast packets affecting Wifi performance?Routing traffic from Linux through a VirtualBox Windows installDebugging multicast connection over VPNVirtualBox - multiple guests, each with a single bridged adapter?individual windows machine refuses to join multicast group on any network interfaceMachine with bonded interface does not receive multicast packets on all slave interfacesHyper-V Windows hosts see/count multicast traffic that they shouldn'tReceive multicast frames from different subnets
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I have a VirtualBox host (linux) with a Windows 8.1 guest. The virtual network configuration for that guest:
After disabling auto metric on the host-only Adapter2 (in the guest OS) and fixing it to either 1 or 800 (i.e. it doesn't matter if it is higher or lower than the metrics of Adapter1), I could send multicast traffic (via tcpreplay) from the host to the paravirtualized interface (eth0), and an app on the guest can receive it on Adapter1.
When sending the same data to host-only adapter (vboxnet0) though, I cannot receive it in the guest on Adapter2. Although wireshark does capture the packets:
This looks similar to when I try to receive packets that arrive on the NIC, without joining the multicast groups, i.e. it looks like the network stack discarding packets because the app has not joined for those multicast addresses.
So how is it possible to receive multicast data on a host-only adapter?
virtualbox multicast
asked May 2 '15 at 2:36
Eugene BeresovskyEugene Beresovsky
5231419
add a comment |
I have a VirtualBox host (linux) with a Windows 8.1 guest. The virtual network configuration for that guest:
After disabling auto metric on the host-only Adapter2 (in the guest OS) and fixing it to either 1 or 800 (i.e. it doesn't matter if it is higher or lower than the metrics of Adapter1), I could send multicast traffic (via tcpreplay) from the host to the paravirtualized interface (eth0), and an app on the guest can receive it on Adapter1.
When sending the same data to host-only adapter (vboxnet0) though, I cannot receive it in the guest on Adapter2. Although wireshark does capture the packets:
This looks similar to when I try to receive packets that arrive on the NIC, without joining the multicast groups, i.e. it looks like the network stack discarding packets because the app has not joined for those multicast addresses.
So how is it possible to receive multicast data on a host-only adapter?
virtualbox multicast
asked May 2 '15 at 2:36
Eugene BeresovskyEugene Beresovsky
5231419
add a comment |
I have a VirtualBox host (linux) with a Windows 8.1 guest. The virtual network configuration for that guest:
After disabling auto metric on the host-only Adapter2 (in the guest OS) and fixing it to either 1 or 800 (i.e. it doesn't matter if it is higher or lower than the metrics of Adapter1), I could send multicast traffic (via tcpreplay) from the host to the paravirtualized interface (eth0), and an app on the guest can receive it on Adapter1.
When sending the same data to host-only adapter (vboxnet0) though, I cannot receive it in the guest on Adapter2. Although wireshark does capture the packets:
This looks similar to when I try to receive packets that arrive on the NIC, without joining the multicast groups, i.e. it looks like the network stack discarding packets because the app has not joined for those multicast addresses.
So how is it possible to receive multicast data on a host-only adapter?
virtualbox multicast
asked May 2 '15 at 2:36
Eugene BeresovskyEugene Beresovsky
5231419
I have a VirtualBox host (linux) with a Windows 8.1 guest. The virtual network configuration for that guest:
After disabling auto metric on the host-only Adapter2 (in the guest OS) and fixing it to either 1 or 800 (i.e. it doesn't matter if it is higher or lower than the metrics of Adapter1), I could send multicast traffic (via tcpreplay) from the host to the paravirtualized interface (eth0), and an app on the guest can receive it on Adapter1.
When sending the same data to host-only adapter (vboxnet0) though, I cannot receive it in the guest on Adapter2. Although wireshark does capture the packets:
This looks similar to when I try to receive packets that arrive on the NIC, without joining the multicast groups, i.e. it looks like the network stack discarding packets because the app has not joined for those multicast addresses.
So how is it possible to receive multicast data on a host-only adapter?
virtualbox multicast
virtualbox multicast
asked May 2 '15 at 2:36
Eugene BeresovskyEugene Beresovsky
5231419
asked May 2 '15 at 2:36
Eugene BeresovskyEugene Beresovsky
5231419
edited May 6 '15 at 7:32
Eugene Beresovsky
asked May 2 '15 at 2:36
Eugene BeresovskyEugene Beresovsky
5231419
asked May 2 '15 at 2:36
Eugene BeresovskyEugene Beresovsky
5231419
asked May 2 '15 at 2:36
Eugene BeresovskyEugene Beresovsky
5231419
5231419
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
I tried it again today, again setting the metrics manually so that the host-only adapter's metric would turn out the lowest (= highest priority), and: It works!
I'm pretty sure that's what I did the other day when I posted the question, so I'm not sure what changed, but in any event: Multicast reception via host-only virtual NICs is indeed possible.
answered May 27 '15 at 5:06
Eugene BeresovskyEugene Beresovsky
5231419
add a comment |
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1 Answer
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I tried it again today, again setting the metrics manually so that the host-only adapter's metric would turn out the lowest (= highest priority), and: It works!
I'm pretty sure that's what I did the other day when I posted the question, so I'm not sure what changed, but in any event: Multicast reception via host-only virtual NICs is indeed possible.
answered May 27 '15 at 5:06
Eugene BeresovskyEugene Beresovsky
5231419
add a comment |
I tried it again today, again setting the metrics manually so that the host-only adapter's metric would turn out the lowest (= highest priority), and: It works!
I'm pretty sure that's what I did the other day when I posted the question, so I'm not sure what changed, but in any event: Multicast reception via host-only virtual NICs is indeed possible.
answered May 27 '15 at 5:06
Eugene BeresovskyEugene Beresovsky
5231419
add a comment |
I tried it again today, again setting the metrics manually so that the host-only adapter's metric would turn out the lowest (= highest priority), and: It works!
I'm pretty sure that's what I did the other day when I posted the question, so I'm not sure what changed, but in any event: Multicast reception via host-only virtual NICs is indeed possible.
answered May 27 '15 at 5:06
Eugene BeresovskyEugene Beresovsky
5231419
I tried it again today, again setting the metrics manually so that the host-only adapter's metric would turn out the lowest (= highest priority), and: It works!
I'm pretty sure that's what I did the other day when I posted the question, so I'm not sure what changed, but in any event: Multicast reception via host-only virtual NICs is indeed possible.
answered May 27 '15 at 5:06
Eugene BeresovskyEugene Beresovsky
5231419
answered May 27 '15 at 5:06
Eugene BeresovskyEugene Beresovsky
5231419
answered May 27 '15 at 5:06
Eugene BeresovskyEugene Beresovsky
5231419
answered May 27 '15 at 5:06
Eugene BeresovskyEugene Beresovsky
5231419
5231419
add a comment |
add a comment |
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