From ed4752f059f7a9d86cf71e6a23ed73c5491e5358 Mon Sep 17 00:00:00 2001
From: vincent <vincent@ducamps.win>
Date: Sun, 16 Oct 2022 10:13:42 +0200
Subject: [PATCH] add DHCP in flowchart

---
 docs/DNS.md | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/docs/DNS.md b/docs/DNS.md
index e718d42..3d9a4be 100644
--- a/docs/DNS.md
+++ b/docs/DNS.md
@@ -7,8 +7,9 @@ flowchart LR
   GandiDns[ Gandi ducamps.win]
   end
   subgraph Internal
-  pihole[pihole]--ducamps.win-->NAS
+  pihole[pihole]----ducamps.win-->NAS
   pihole--service.consul-->consul[consul cluster]
+  DHCP --dynamic update--> NAS
   NAS--service.consul-->consul
   end
   NAS --> recursor
@@ -26,4 +27,6 @@ Each DNS forward *service.consul* request to the consul cluster. On Pihole a tem
 
 On diskstation every request as forward to one consul node this point is to improve we because we have a possibility of outtage. du to synology DNSServer limitation we only put a forward on port 53 so we need on the target consul node to redirect port 53 to 8300 by iptables rules.
 
+a DHCP service is set to do dynamic update on NAS DNS on lease delivery
+
 external recursor are on cloudflare and FDN