[zeromq-dev] Precise meaning of ZMQ_MULTICAST_HOPS?

[Cem Karan]

OK, we're thinking the same thing, but it really becomes a question of what batman-adv is going to do.  Assuming that every node is treated as a router, I'm fine, otherwise, not so much.  I'll poke at it and see how it behaves, and report back to the list in case anyone else is working on mesh networking.

Thanks,
Cem Karan

On Sep 1, 2012, at 9:34 AM, Steven McCoy wrote:

> On 1 September 2012 07:01, Cem Karan <cfkaran2 at gmail.com> wrote:
> > A TTL of 1 is the local subnet, a value of 16 is quite popular as it bypasses a defect with some Cisco hardware.  Note you really need a very expensive router for good performance.
> 
> OK, so it will get routed around everywhere where the netmask is the same, right?  Not just 1 hop away?
> 
> A hop is a specific network term for traversing a router, devices such as network bridges run at level 2 (data-link layer) thus cannot change the TTL.
> 
> http://en.wikipedia.org/wiki/Hop_(networking)
> 
> Cisco routers offer a lot of flexibility and you can override this, you can even propagate broadcast across networks.
> 
> -- 
> Steve-o 
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