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DTD over bridge

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Fri, 04/29/2022 - 13:34
#1
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

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Fri, 04/29/2022 - 13:56
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
 
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Fri, 04/29/2022 - 18:05
K5DLQ
K5DLQ's picture
dtdlink interfaces are
dtdlink interfaces are designed to be 100% reliable with no loss (ie. cables).   wireless is not.  beware.
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Sat, 04/30/2022 - 07:52
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
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Mon, 05/02/2022 - 19:43
(Reply to #4)
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
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Wed, 05/04/2022 - 03:48
(Reply to #5)
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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