No subnet declaration; Can't open /var/lib/dhcp/dhcpd.leases for append

Bill Shirley bill at
Sat Jan 27 21:47:11 UTC 2018

Should have said inexpensive wireless router.


On 1/27/2018 4:44 PM, Bill Shirley wrote:
> True. Another way is to forget about using wlp2s0, buy and inexpensive router,
> turn OFF the router's DHCP server, and plug the LAN side of the router into the
> same switch as enp4s5.  Nothing is plugged into the WAN side of the router.
> The router will pass everything, including DHCP traffic, through to the enp4s5
> interface and all internal devices will be on one subnet.  This works well.
> Bill
> On 1/27/2018 4:38 PM, Simon Hobson wrote:
>> Bill Shirley <bill at> wrote:
>>> I would suggest setting wlp2s0 as a different subnet, say
>>> and create an additional subnet declaration in DHCP with option routers
>>>  'yellow' should route between and
>>> for your internal devices.
>> That's another way of doing it, but it precludes most autodicovery protocols working between wired and wireless devices. Eg 
>> you wireless device won't be able to discover a wired printer through mDNS (aka Zeroconf).
>> That's a significant problem where people want to segregate devices (eg put IoTat one it's own network so it can't blab about 
>> other stuff you have) because so much of it is written on the assumption that (eg) your smartphone is on the same network as 
>> the device.
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