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DTD on mixed 5GHz/2.4GHz network not working

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KC7ZDM
DTD on mixed 5GHz/2.4GHz network not working

Please redirect me if this isn't the right forum for this.  A friend of mine and I were trying to configure his VOIP device (Grandstream HT701) to my PBX and we failed miserably. My node is a Rocket XW, and he has two nodes, a 5Ghz and 2.4 GHz pico station. He was able to get into my node through his, but we were unable to do direct IP dialing or see the PBX (RasPBX) from his pico station. His switch has no special configuration and he believes that it should just work. 

I have a feeling we need to set up a switch with VLAN in his network to make this work. Can anyone expound on this about the whys and wherefores?

Thanks!

Rich
 

AE6XE
AE6XE's picture
Yes, if there are 2 pico
Yes, if there are 2 pico stations connected to a dumb hub, then the LAN networks of each pico station are munged together.   What this means is that it is arbitrary which pico station the LAN devices will get an IP address from, generally the first pico station to boot.   This can cause service advertisements to be on the wrong node and other weirdness.   

One quick-n-dirty option is to turn the LAN dhcp off on one of the pico stations in basic setup.   Then power cycle everything in unison.  This works, but you have to remember if using that node elsewhere, it's easy to forget this setting and LAN devices don't work.

Ideally, configure an 802.1Q switch with the vlans to make the LAN ports distinct and assigned to a given mesh node.

Joe AE6XE
KC7ZDM
Thanks! We'll take another
Thanks! We'll take another run at this. I appreciate the explanation!

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