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Updated DHCP Replication (markdown)

Michael Stanclift 2022-05-03 16:51:19 -05:00
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DHCP-Replication.md

@ -27,8 +27,6 @@ The network has around 50 devices on it that need IP addresses. We'll breakup th
The split scopes are defined within the Pi-hole interface under `Settings > DHCP > Range of IP addresses to hand out` for each side. The shared scope are never explicitly listed in a range within the interface, but are individually assigned in the `Static DHCP leases configuration` part of the same page.
The total number of devices that need IP addresses on your network should always be less than your shared scope + a split scope. In this example there are 99 IPs available for the 50 or so devices.
## Shared Scope
Devices that we want to have consistent IP addresses will need to be part of the Shared Scope, which will then be managed by Gravity Sync. You should put any devices on your network that you want to be able to lookup via name resolution within your local network, or that you want to always have the same IP. Streaming media devices, cameras, home servers, or other such hosts that provide services to other devices on the network.
@ -60,6 +58,8 @@ Since other devices aren't connecting directly to Michael's iPhone, there is onl
- Only devices that are part of the shared scope and have a static assignment will respond to local DNS requests by both Pi-hole. Otherwise only the Pi-hole that assigned the lease will know what the device's DNS address is.
- Make sure you disable DHCP on your router if you intend to use DHCP assignments via Pi-hole.
- Make sure you disable conditional forwarding on your Pi-hole if you're assigning addresses via the Pi-hole.
- The total number of devices that need IP addresses on your network should always be less than your shared scope + a split scope. In this example there are 99 IPs available for the 50 or so devices.
- Be mindful of devices that have static IPs defined on the clients themselves (they never request an address from DHCP) as you don't want to include the IP addresses for these devices in either your shared or split scopes.
### DNS Assignments