[Elecraft] KPA1500 Wake on LAN Subnet Restriction?

[Rick Tavan]

The Ubiquiti site-to-site LAN is close to perfect, making everything on one LAN visible on the other - they just become separate subnets. But several have pointed out that Wake On LAN doesn't work across subnet boundaries. Not a big deal as I can run KPA1500 Remote client/server.

73,

/Rick

On 2025-09-15 6:37 p.m., Jack Brindle wrote:
> Rick;
>
> Site-to-site may be the issue. That connects the network at your home with the one up in Tahoe, but it keeps the lans separate.
> I wonder if you were to connect to the Tahoe VPN directly from your laptop (using whatever VPN client is compatible) if it might just put your MBP on that LAN.
>
> I have never played with the VPN stuff on my Ubiquiti Dream Machine, but it does provide some interesting opportunities. It looks like they support Teleport, which may be your solution.
> Now, finding someone who knows a lot more about their Ubiquity system (such as W9KKN) may be exactly what you need!
>
> 73,
> Jack, W6FB
> - see you in CQP!
>
>
>> On Sep 15, 2025, at 7:12 PM, Rick Tavan via Elecraft<elecraft at mailman.qth.net>  wrote:
>>
>> Running my KPA1500 with firmware 3.06:
>>
>> Using KPA1500 Remote on an Intel NUC running Windows 11 Home *on the same
>> subnet as the amplifier*, I can connect to the amp as expected via Connect
>> Local or Host Remote. If the amp was previously OFF, it turns itself ON.
>> KPA1500 Utility can also connect to the amp whether it's initially ON or
>> OFF. This is all fine.
>>
>> However, if I try to connect using the same programs on a Macbook Pro M1
>> Max running Parallels Desktop and Windows 11 Pro *remotely from a different
>> subnet* connected via a Ubiquiti site-to-site VPN, the programs fail to
>> connect to the amp when it is initially powered OFF. If the amp is ON, they
>> connect properly.
>>
>> This seems like a Wake On LAN issue. On the KPA1500, Wake On LAN is set ON.
>> But does the Wake On LAN function work only with connection requests from
>> the same subnet? If so, is that a feature or a bug? Could KPA1500 Remote
>> and KPA1500 Utility have any control over this?
>>
>> Thanks,
>>
>> /Rick N6XI
>>
>> -- 
>> --
>>
>> Rick Tavan
>> Truckee and Saratoga, CA
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-- 
Rick Tavan, Saratoga & Truckee, CA