Wireless Access

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Access network design for branch, remote, outdoor, and campus locations with HPE Aruba Networking access points and mobility controllers.
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Multicast question regarding TTL

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  • 1.  Multicast question regarding TTL

    Posted Feb 26, 2016 01:48 PM
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    What happens o the TTL value of a multicast packet when it is received by a controller? If the TTL is set to 1, will the controller forward the packet?

    I ran a packet capture on the controller and wireshark highlights the TTL value of 1 as apossible problem, see the attached image.



  • 2.  RE: Multicast question regarding TTL

    EMPLOYEE
    Posted Feb 26, 2016 02:57 PM

    It would typically be dropped if you don't have IGMP snooping or IGMP proxy enabled.  Multicast should exist only in a single subnet unless there is some sort of router to forward it.