[Bug 1862979] Re: Cannot Create Socket Networking in Windows Host using Multicast

[Launchpad Bug Tracker]

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

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

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https://bugs.launchpad.net/bugs/1862979

Title:
  Cannot Create Socket Networking in Windows Host using Multicast

Status in QEMU:
  Expired

Bug description:
  Hello QEMU devs,

  I am trying to create a simulated VLAN using socket networking, and
  the only way to connect multiple networks in QEMU using socket
  networking is by using the multicast `mcast` option of the `socket`
  network backend.

  However, when I try use the following arguments in QEMU to create a
  multicast socket network:

  `-device e1000,id=sock-0 -netdev id=sock-0,mcast=230.0.0.1:1234`

  it fails with:

  `can't bind ip address=230.0.0.1: unknown error` in my Windows host.

  I would like to know if this is a bug, or if I am missing a
  prerequisite before running the QEMU command.

  By the way, I am using Windows 10, and running a cross-compiled QEMU
  4.2.0.

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