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DTD over bridge

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WA3LAB
DTD over bridge

I have a 2gig and a 5gig mounted about 300 feet apart.  I cannot mount them close together because there are obstructions due to the direction they are pointing.  I am trying a 5gig wireless bridge in lieu 300 feet of CAT cable to connect the 2 nodes together to achieve a DTD connection.  I understand there is VLAN traffic to make this work.  So far I cannot get the 2 nodes to DTD connect.  I am testing this on a bench and if I put a CAT cable between the nodes or plug them both into a dumb switch, I get a DTD connect, but if I use the bridge it does not work.  I suspect the bridge has an issue with the VLAN traffic.  It is a KuWFI Model CPE200.  I don't need anyone to analyze the bridge I have now as I can just try a different device.  I am interested in the basic concept I am trying to implement.  If the bridge will pass through the VLAN traffic , should this work?
Thanks,
Glenn WA3LAB

w6bi
w6bi's picture
Bridge traffic
It's my understanding that bridges should be transparent to network traffic.  But VLAN packets are larger than 'standard' network packets.  I wonder if that bridge is old enough to not pass them?  Older Ethernet switches had the same issue; they'd either mangle VLAN packets, or just silently drop them.

Orv W6BI
 
K5DLQ
K5DLQ's picture
dtdlink interfaces are
dtdlink interfaces are designed to be 100% reliable with no loss (ie. cables).   wireless is not.  beware.
nc8q
nc8q's picture
DTD over bridge
Hi, Glenn: If you are going to add a 5 GHz radio at each end, consider using an AREDN RF link. 73, Chuck
WA3LAB
I tried the bridge as it was
I tried the bridge as it was intended to be used and the performance was dismal.  So I returned it, and will try a different brand.   The AREDN RF link is also a possibility, but I am trying to reduce interference on channel -2.  Maybe 5GHz would be viable.  I'll repost if I get anything to work.
Glenn WA3LAB
nc8q
nc8q's picture
I am trying to reduce interference on channel -2
I suggested:
"If you are going to add a 5 GHz radio at each end, consider using an AREDN RF link."

You replied:
"I am trying to reduce interference on channel -2. 
-----

I don't understand.
There is no channel '-2' in the 5 GHz band.

73, Chuck
 

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