diff --git a/ansible/inventory/group_vars/all/dns.yaml b/ansible/inventory/group_vars/all/dns.yaml
index f7067493..cdf756c7 100644
--- a/ansible/inventory/group_vars/all/dns.yaml
+++ b/ansible/inventory/group_vars/all/dns.yaml
@@ -15,6 +15,7 @@ magevent_net_hosts:
   - { name: "zabbix-new", ip: "{{ branch_subnet_trimmed }}.201", type: "A" }
   - { name: "dhcp1", ip: "{{ branch_subnet_trimmed }}.253", type: "A" }
   - { name: "dhcp2", ip: "{{ branch_subnet_trimmed }}.254", type: "A" }
+
   # MAGCloud static/not-in-Terraform-yet entries
   - { name: "salt", ip: "10.101.22.8", type: "A" }
   - { name: "foreman", ip: "10.101.22.8", type: "A" }
@@ -63,6 +64,83 @@ magevent_net_hosts:
   - { name: "oa2", ip: "10.101.21.12", type: "A" }
   - { name: "vc1", ip: "10.101.21.13", type: "A" }
 
+  # EdgeRouters
+  - { name: "erx-01", ip: "10.151.0.1", type: "A" }
+  - { name: "erx-02", ip: "10.152.0.1", type: "A" }
+  - { name: "erx-03", ip: "10.153.0.1", type: "A" }
+  - { name: "erx-04", ip: "10.154.0.1", type: "A" }
+  - { name: "erx-05", ip: "10.155.0.1", type: "A" }
+  - { name: "erx-06", ip: "10.156.0.1", type: "A" }
+  - { name: "erx-07", ip: "10.157.0.1", type: "A" }
+  - { name: "erx-08", ip: "10.158.0.1", type: "A" }
+  - { name: "erx-09", ip: "10.159.0.1", type: "A" }
+  - { name: "erx-10", ip: "10.160.0.1", type: "A" }
+  - { name: "erx-11", ip: "10.161.0.1", type: "A" }
+  - { name: "erx-12", ip: "10.162.0.1", type: "A" }
+  - { name: "erx-13", ip: "10.163.0.1", type: "A" }
+  - { name: "erx-14", ip: "10.164.0.1", type: "A" }
+  - { name: "erx-15", ip: "10.165.0.1", type: "A" }
+  - { name: "erx-16", ip: "10.166.0.1", type: "A" }
+  - { name: "erx-17", ip: "10.167.0.1", type: "A" }
+  - { name: "erx-18", ip: "10.168.0.1", type: "A" }
+  - { name: "erx-19", ip: "10.169.0.1", type: "A" }
+  - { name: "erx-20", ip: "10.170.0.1", type: "A" }
+  - { name: "erx-21", ip: "10.171.0.1", type: "A" }
+  - { name: "erx-22", ip: "10.172.0.1", type: "A" }
+  - { name: "erx-23", ip: "10.173.0.1", type: "A" }
+
+  # Cisco 8-port core
+  - { name: "c8p-01", ip: "10.111.0.1", type: "A" }
+  - { name: "c8p-02", ip: "10.112.0.1", type: "A" }
+  - { name: "c8p-03", ip: "10.113.0.1", type: "A" }
+  - { name: "c8p-04", ip: "10.114.0.1", type: "A" }
+  - { name: "c8p-05", ip: "10.115.0.1", type: "A" }
+  - { name: "c8p-06", ip: "10.116.0.1", type: "A" }
+  - { name: "c8p-07", ip: "10.117.0.1", type: "A" }
+  - { name: "c8p-08", ip: "10.118.0.1", type: "A" }
+  - { name: "c8p-09", ip: "10.119.0.1", type: "A" }
+  - { name: "c8p-10", ip: "10.120.0.1", type: "A" }
+  - { name: "c8p-11", ip: "10.121.0.1", type: "A" }
+  - { name: "c8p-12", ip: "10.122.0.1", type: "A" }
+  - { name: "c8p-13", ip: "10.123.0.1", type: "A" }
+  - { name: "c8p-14", ip: "10.124.0.1", type: "A" }
+  - { name: "c8p-15", ip: "10.125.0.1", type: "A" }
+  - { name: "c8p-16", ip: "10.126.0.1", type: "A" }
+  - { name: "c8p-17", ip: "10.127.0.1", type: "A" }
+  - { name: "c8p-18", ip: "10.128.0.1", type: "A" }
+  - { name: "c8p-19", ip: "10.129.0.1", type: "A" }
+  - { name: "c8p-20", ip: "10.130.0.1", type: "A" }
+  - { name: "c8p-21", ip: "10.131.0.1", type: "A" }
+  - { name: "c8p-22", ip: "10.132.0.1", type: "A" }
+  - { name: "c8p-23", ip: "10.133.0.1", type: "A" }
+  - { name: "c8p-24", ip: "10.134.0.1", type: "A" }
+  - { name: "c8p-25", ip: "10.135.0.1", type: "A" }
+  - { name: "c8p-26", ip: "10.136.0.1", type: "A" }
+  - { name: "c8p-27", ip: "10.137.0.1", type: "A" }
+  - { name: "c8p-28", ip: "10.138.0.1", type: "A" }
+  - { name: "c8p-29", ip: "10.139.0.1", type: "A" }
+  - { name: "c8p-30", ip: "10.140.0.1", type: "A" }
+  - { name: "c8p-31", ip: "10.141.0.1", type: "A" }
+  - { name: "c8p-32", ip: "10.142.0.1", type: "A" }
+  - { name: "c8p-33", ip: "10.143.0.1", type: "A" }
+  - { name: "c8p-34", ip: "10.144.0.1", type: "A" }
+  - { name: "c8p-35", ip: "10.145.0.1", type: "A" }
+  - { name: "c8p-36", ip: "10.146.0.1", type: "A" }
+  - { name: "c8p-37", ip: "10.147.0.1", type: "A" }
+  - { name: "c8p-38", ip: "10.148.0.1", type: "A" }
+  - { name: "c8p-39", ip: "10.149.0.1", type: "A" }
+  - { name: "c8p-40", ip: "10.150.0.1", type: "A" }
+  - { name: "c8p-41", ip: "10.151.0.1", type: "A" }
+  - { name: "c8p-42", ip: "10.152.0.1", type: "A" }
+  - { name: "c8p-43", ip: "10.153.0.1", type: "A" }
+  - { name: "c8p-44", ip: "10.154.0.1", type: "A" }
+  - { name: "c8p-45", ip: "10.155.0.1", type: "A" }
+
+  # Cisco 48-port core
+  - { name: "csw-01", ip: "10.101.0.1", type: "A" }
+  - { name: "csw-02", ip: "10.102.0.1", type: "A" }
+  - { name: "csw-03", ip: "10.103.0.1", type: "A" }
+
   # PVE
   - { name: "quorum", ip: "10.101.21.40", type: "A" }
   - { name: "pve1", ip: "10.101.21.41", type: "A" }