diff --git a/lab-pipeline.groovy b/lab-pipeline.groovy
index 14463da..c194172 100644
--- a/lab-pipeline.groovy
+++ b/lab-pipeline.groovy
@@ -41,6 +41,8 @@
  *   CALICO_CNI_IMAGE            Docker repository and tag for calico CNI image
  *   CALICO_NODE_IMAGE           Docker repository and tag for calico node image
  *   CALICOCTL_IMAGE             Docker repository and tag for calicoctl image
+ *   NETCHECKER_AGENT_IMAGE      Docker repository and tag for netchecker agent image
+ *   NETCHECKER_SERVER_IMAGE      Docker repository and tag for netchecker server image
  *
  */
 
@@ -175,6 +177,15 @@
                       salt.runSaltProcessStep(saltmaster, 'I@salt:master', 'file.append', overwriteFile, "    kubernetes_calicoctl_image: ${CALICOCTL_IMAGE}")
                     }
 
+                    // Overwrite netchecker vars if specified
+                    if (env.getEnvironment().containsKey("NETCHECKER_AGENT_IMAGE")) {
+                      salt.runSaltProcessStep(saltmaster, 'I@salt:master', 'file.append', overwriteFile, "    kubernetes_netchecker_agent_image: ${NETCHECKER_AGENT_IMAGE}")
+                    }
+                    if (env.getEnvironment().containsKey("NETCHECKER_SERVER_IMAGE")) {
+                      salt.runSaltProcessStep(saltmaster, 'I@salt:master', 'file.append', overwriteFile, "    kubernetes_netchecker_server_image: ${NETCHECKER_SERVER_IMAGE}")
+                    }
+
+
                     orchestrate.installKubernetesControl(saltMaster)
                 }