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From: Launchpad Bug Tracker <>
Subject: [Bug 1861884] Re: qemu socket multicast not working
Date: Mon, 05 Jul 2021 04:17:24 -0000	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

[Expired for QEMU because there has been no activity for 60 days.]

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

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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:[~2021-07-05  4:27 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
2021-07-05  4:17 ` Launchpad Bug Tracker [this message]

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