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[Help] Dropped connections to VM with multiple interfaces. (lemmy.procrastinati.org)

submitted 1 year ago by [email protected] to c/[email protected]

4 comments fedilink hide all child comments

I'm not sure where to start with to troubleshoot this. I segregated my network into a few different VLANs (servers, workstations, wifi, etc...). I have VMs and LxC containers running in Proxmox, routing is handled by Opnsense, and I have a couple tplink managed switches. All of this is working fine except for 1 problem.

I have a couple systems (VM and LxC) that have interfaces on multiple VLANs. If I SSH to one of these systems, on the IP that's on the same VLAN as the client, it works fine. If I SSH to one of the other IPs it'll initially connect and work but within a minute or so the connection hangs and times out.

I tried running ssh in verbose mode and got this, which seems fairly generic:

debug3: recv - from CB ERROR:10060, io:00000210BBFC6810
debug3: send packet: type 1
debug3: send - WSASend() ERROR:10054, io:00000210BBFC6810
client_loop: send disconnect: Connection reset
debug3: Successfully set console output code page from 65001 to 65001
debug3: Successfully set console input code page from 65001 to 65001

I realize the simple solution is to just use the IP on the same subnet, but my current DNS setup doesn't allow for me to provide responses based on client subnet. I'd also like to better understand (and potentially) solve this problem.

Thanks

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[–] [email protected] 1 points 1 year ago

Your link was way more detailed than what I found. Thanks again!