diff --git a/modules/adding-node-iso-yaml.adoc b/modules/adding-node-iso-yaml.adoc
index b0efd82c867..f9e60c7c2c5 100644
--- a/modules/adding-node-iso-yaml.adoc
+++ b/modules/adding-node-iso-yaml.adoc
@@ -44,6 +44,17 @@ hosts:
            - ip: 192.168.122.2
              prefix-length: 23
          dhcp: false
+   dns-resolver:
+     config:
+       server:
+         - 192.168.122.1
+       search:
+         - example.com
+   routes:
+     config:
+       - destination: 0.0.0.0/0
+         next-hop-address: 192.168.122.1
+         next-hop-interface: eth0
 - hostname: extra-worker-2
   rootDeviceHints:
    deviceName: /dev/sda
@@ -62,6 +73,17 @@ hosts:
            - ip: 192.168.122.3
              prefix-length: 23
          dhcp: false
+   dns-resolver:
+     config:
+       server:
+         - 192.168.122.1
+       search:
+         - example.com
+   routes:
+     config:
+       - destination: 0.0.0.0/0
+         next-hop-address: 192.168.122.1
+         next-hop-interface: eth0
 ----
 
 . Generate the ISO image by running the following command:
@@ -110,3 +132,8 @@ If these checks are skipped, you must manually check for CSRs by running the `oc
 ----
 $ oc adm certificate approve <csr_name>
 ----
++
+[IMPORTANT]
+====
+Each node requires two CSR approvals during the addition process. The first CSR is for the kubelet client certificate, and the second CSR is for the kubelet serving certificate. You must approve both CSRs for each node to complete the node addition successfully.
+====