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[Bug 637127] Re: TTL is one - prevents multicast routing

 

Bug reported upstream - thanks for the lead on the bug tracker. Couldn't
find it earlier.

The network is configured as follows:

Steps to Reproduce:
1. Two hosts linked by an ethernet
2. Libvirt in routed mode.
3. Virtual machines sat on a 10.x.x.x/30 subnet.
4. Unicast routing in place (I'm using bird and OSPF).
5. Multicast routing in place (pimd).
6. Libvirt configured so that it doesn't filter multicast!
7. Tested as working with ssmping

** Bug watch added: Red Hat Bugzilla #633415
   https://bugzilla.redhat.com/show_bug.cgi?id=633415

** Also affects: corosync (Fedora) via
   https://bugzilla.redhat.com/show_bug.cgi?id=633415
   Importance: Unknown
       Status: Unknown

** Changed in: corosync (Ubuntu)
       Status: Incomplete => Opinion

** Changed in: corosync (Ubuntu)
       Status: Opinion => New

** Changed in: corosync (Ubuntu)
       Status: New => Incomplete

-- 
TTL is one - prevents multicast routing
https://bugs.launchpad.net/bugs/637127
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