[Nfd-dev] Many Multicast Ethernet Groups per NIC

[Davide Pesavento]

Hi Raphaël,

Could you tell us a bit more about your use case? Why do you want to
use several Ethernet multicast groups?

If you're trying to achieve some sort of isolation at layer 2, I think
you're better off using VLANs. You can create multiple software VLAN
interfaces on top of your Ethernet device with something like:

    sudo ip link add link eth0 name foo42 type vlan id 42
    sudo ip link add link eth0 name foo43 type vlan id 43
    etc...

and NFD should create one multicast face for each of these VLAN
interfaces. Then you don't need different multicast groups.

Best,
Davide

On Wed, Jan 6, 2021 at 8:46 AM NAVES Raphael via Nfd-dev
<nfd-dev at lists.cs.ucla.edu> wrote:
>
> Dear all,
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> I am setting up a NDN network over Ethernet Faces. I have created both unicast and multicast Ethernet Faces to ensure the connectivity between my NDN nodes.
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> However, I am wondering if it is possible to create several multicast groups (= multicast Ethernet Faces) per NIC, using the original configuration file or the nfdc tool? At this time, I am only able to create one multicast Ethernet Face per Ethernet port by using the associated field in the nfd.conf file (à “mcast” set to “yes” in the Ethernet section).
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> Thanks in advance
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> Best
>
>
>
> Raphaël
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