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From: Thomas Huth <>
Subject: [Bug 1861884] Re: qemu socket multicast not working
Date: Wed, 05 May 2021 15:21:34 -0000	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

The QEMU project is currently considering to move its bug tracking to
another system. For this we need to know which bugs are still valid
and which could be closed already. Thus we are setting older bugs to
"Incomplete" now.

If you still think this bug report here is valid, then please switch
the state back to "New" within the next 60 days, otherwise this report
will be marked as "Expired". Or please mark it as "Fix Released" if
the problem has been solved with a newer version of QEMU already.

Thank you and sorry for the inconvenience.

** Changed in: qemu
       Status: New => Incomplete

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  qemu socket multicast not working

Status in QEMU:

Bug description:
  Running two qemu vms on the same socket multicast address:

    qemu-system-x86_64 -m 2048 -smp 2 -serial mon:stdio
      -display none -vga none
      -nodefaults -accel hax
      -netdev user,id=mynet0
      -device virtio-net-pci,netdev=mynet0
      -netdev socket,id=vlan,mcast=
      -device virtio-net-pci,netdev=vlan
      -device virtio-rng-pci
      -drive file=worker.qcow2,if=virtio
      -drive file=cloud-init.iso,format=raw,if=virtio

  The two machines have a static ip on the socket network interface, and, but are unable to reach each other.

  Result when using ping command

    PING ( 56(84) bytes of data.
    From icmp_seq=1 Destination Host Unreachable
    From icmp_seq=2 Destination Host Unreachable
    From icmp_seq=3 Destination Host Unreachable

  Is there additional configuration necessary on macos? Does this only
  work on Linux? Is there additional configuration required inside of
  the guest OS?

  guest OS: Debian 10 (Buster)
  host OS: macOS 10.15.2
  qemu: 4.2.0

To manage notifications about this bug go to:

  parent reply	other threads:[~2021-05-05 15:44 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-04 15:43 [Bug 1861884] [NEW] " Maarten
2020-02-04 15:48 ` [Bug 1861884] " Maarten
2021-05-05 15:21 ` Thomas Huth [this message]
2021-07-05  4:17 ` Launchpad Bug Tracker

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