[manet] Re: Questions about RFC 8175 (DLEP) Link Characteristics Request message

[Henning Rogge <[e-mail]>]

Hi,

My main issue with the Broadcast idea is that someone might want to
change the parameters of broadcast transmissions, e.g. increasing the
bitrate (quite common in some WIFI based MANET installations).

Still, a full extension for "Request Session Characteristics" would be
quite a bit of work. Not sure anyone has implemented the Request Link
Characteristic mechanics yet.

Henning Rogge

On Mon, Mar 30, 2026 at 10:47 PM Donald Eastlake <[e-mail]> wrote:
>
> Hi Henning,
>
> Using the broadcast MAC seems like an elegant way to do this. I don't think there is any other plausible interpretation for that MAC address.
>
> Thanks,
> Donald
> ===============================
>  Donald E. Eastlake 3rd   [phone] (cell)
>  2386 Panoramic Circle, Apopka, FL 32703 USA
>  [e-mail]
>
>
> On Tue, Mar 24, 2026 at 5:40 AM Henning Rogge <[e-mail]> wrote:
>>
>> On Tue, Mar 17, 2026 at 8:22 AM Abdussalam Baryun
>> <[e-mail]> wrote:
>> >> The issue we see is that the request we are talking about is for the
>> >> whole channel, not a special Destination.
>> >
>> > whole channel for the manet route
>>
>> whole channel of the radio attached over a DLEP session.
>>
>> >> RFC 8175 Section 12.18 defines that the referred destination of the
>> >> Link Characteristics Request message can be both real (e.g. remote MAC
>> >> address) or logical (e.g. multicast group).
>> >>
>> >> Would it be valid to use the "broadcast MAC" to request something for
>> >> the whole network or do we need a "Channel/Device Characteristic
>> >> Request/Response" message?
>> >
>> >  I don't think we can use broadcast MAC for DLEP, so it will need different protocol.
>>
>> We CAN use the broadcast MAC for a DLEP destination, thats not the
>> issue... the issue is if we SHOULD use this for using the "Request
>> Link Characteristic" Message for requesting new parameters for the
>> radio session or if we should use a new MESSAGE type for requesting
>> such a change.
>>
>> Not sure why you are talking about a different protocol.
>>
>> Henning Rogge
>>
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