diff --git a/tcp_tests/templates/cookied-mcp-ocata-dop-sl2/underlay.yaml b/tcp_tests/templates/cookied-mcp-ocata-dop-sl2/underlay.yaml
index 028822a..899dba0 100644
--- a/tcp_tests/templates/cookied-mcp-ocata-dop-sl2/underlay.yaml
+++ b/tcp_tests/templates/cookied-mcp-ocata-dop-sl2/underlay.yaml
@@ -219,7 +219,7 @@
             role: salt_master
             params:
               vcpu: {{ os_env('CFG_NODE_CPU', 2) }}
-              memory: {{ os_env('CFG_NODE_MEMORY', 3072) }}
+              memory: {{ os_env('CFG_NODE_MEMORY', 4096) }}
               boot:
                 - hd
               cloud_init_volume_name: iso
diff --git a/tcp_tests/templates/cookied-mcp-ocata-dvr-vxlan/underlay.yaml b/tcp_tests/templates/cookied-mcp-ocata-dvr-vxlan/underlay.yaml
index 0d9930a..a5bf838 100644
--- a/tcp_tests/templates/cookied-mcp-ocata-dvr-vxlan/underlay.yaml
+++ b/tcp_tests/templates/cookied-mcp-ocata-dvr-vxlan/underlay.yaml
@@ -351,7 +351,7 @@
             role: salt_master
             params:
               vcpu: !os_env SLAVE_NODE_CPU, 2
-              memory: !os_env SLAVE_NODE_MEMORY, 3072
+              memory: !os_env SLAVE_NODE_MEMORY, 4096
               boot:
                 - hd
               cloud_init_volume_name: iso
diff --git a/tcp_tests/templates/mcp-ocata-local-repo-dvr/underlay.yaml b/tcp_tests/templates/mcp-ocata-local-repo-dvr/underlay.yaml
index 93a3dc6..4a93d7f 100644
--- a/tcp_tests/templates/mcp-ocata-local-repo-dvr/underlay.yaml
+++ b/tcp_tests/templates/mcp-ocata-local-repo-dvr/underlay.yaml
@@ -152,7 +152,7 @@
             role: salt_minion
             params:
               vcpu: !os_env SLAVE_NODE_CPU, 2
-              memory: !os_env SLAVE_NODE_MEMORY, 2048
+              memory: !os_env SLAVE_NODE_MEMORY, 4096
               boot:
                 - hd
               cloud_init_volume_name: iso
diff --git a/tcp_tests/templates/virtual-mcp-ocata-cicd/underlay.yaml b/tcp_tests/templates/virtual-mcp-ocata-cicd/underlay.yaml
index 0e5ff4f..7f266dc 100644
--- a/tcp_tests/templates/virtual-mcp-ocata-cicd/underlay.yaml
+++ b/tcp_tests/templates/virtual-mcp-ocata-cicd/underlay.yaml
@@ -166,7 +166,7 @@
             role: salt_master
             params:
               vcpu: !os_env SLAVE_NODE_CPU, 2
-              memory: !os_env SLAVE_NODE_MEMORY, 2096
+              memory: !os_env SLAVE_NODE_MEMORY, 4096
               boot:
                 - hd
               cloud_init_volume_name: iso
diff --git a/tcp_tests/templates/virtual-mcp-ocata-dvr/underlay.yaml b/tcp_tests/templates/virtual-mcp-ocata-dvr/underlay.yaml
index 5a661dc..4e6b814 100644
--- a/tcp_tests/templates/virtual-mcp-ocata-dvr/underlay.yaml
+++ b/tcp_tests/templates/virtual-mcp-ocata-dvr/underlay.yaml
@@ -164,7 +164,7 @@
             role: salt_master
             params:
               vcpu: !os_env SLAVE_NODE_CPU, 2
-              memory: !os_env SLAVE_NODE_MEMORY, 2048
+              memory: !os_env SLAVE_NODE_MEMORY, 4096
               boot:
                 - hd
               cloud_init_volume_name: iso
diff --git a/tcp_tests/templates/virtual-mcp-ocata-ovs/underlay.yaml b/tcp_tests/templates/virtual-mcp-ocata-ovs/underlay.yaml
index 9c19371..53bb782 100644
--- a/tcp_tests/templates/virtual-mcp-ocata-ovs/underlay.yaml
+++ b/tcp_tests/templates/virtual-mcp-ocata-ovs/underlay.yaml
@@ -164,7 +164,7 @@
             role: salt_master
             params:
               vcpu: !os_env SLAVE_NODE_CPU, 2
-              memory: !os_env SLAVE_NODE_MEMORY, 2048
+              memory: !os_env SLAVE_NODE_MEMORY, 4096
               boot:
                 - hd
               cloud_init_volume_name: iso
diff --git a/tcp_tests/templates/virtual-mcp11-dvr/underlay.yaml b/tcp_tests/templates/virtual-mcp11-dvr/underlay.yaml
index 8ba5656..52348ac 100644
--- a/tcp_tests/templates/virtual-mcp11-dvr/underlay.yaml
+++ b/tcp_tests/templates/virtual-mcp11-dvr/underlay.yaml
@@ -149,7 +149,7 @@
             role: salt_master
             params:
               vcpu: !os_env SLAVE_NODE_CPU, 2
-              memory: !os_env SLAVE_NODE_MEMORY, 2048
+              memory: !os_env SLAVE_NODE_MEMORY, 4096
               boot:
                 - hd
               cloud_init_volume_name: iso
diff --git a/tcp_tests/templates/virtual-mcp11-k8s-calico/underlay.yaml b/tcp_tests/templates/virtual-mcp11-k8s-calico/underlay.yaml
index d872f9a..2bd28b2 100644
--- a/tcp_tests/templates/virtual-mcp11-k8s-calico/underlay.yaml
+++ b/tcp_tests/templates/virtual-mcp11-k8s-calico/underlay.yaml
@@ -107,7 +107,7 @@
             role: salt_master
             params:
               vcpu: !os_env SLAVE_NODE_CPU, 2
-              memory: !os_env SLAVE_NODE_MEMORY, 1536
+              memory: !os_env SLAVE_NODE_MEMORY, 4096
               boot:
                 - hd
               cloud_init_volume_name: iso
diff --git a/tcp_tests/templates/virtual-mcp11-k8s-contrail/underlay.yaml b/tcp_tests/templates/virtual-mcp11-k8s-contrail/underlay.yaml
index 786fea0..28098ff 100644
--- a/tcp_tests/templates/virtual-mcp11-k8s-contrail/underlay.yaml
+++ b/tcp_tests/templates/virtual-mcp11-k8s-contrail/underlay.yaml
@@ -157,7 +157,7 @@
             role: salt_master
             params:
               vcpu: !os_env SLAVE_NODE_CPU, 2
-              memory: !os_env SLAVE_NODE_MEMORY, 2048
+              memory: !os_env SLAVE_NODE_MEMORY, 4096
               boot:
                 - hd
               cloud_init_volume_name: iso
diff --git a/tcp_tests/templates/virtual-mcp11-ovs-dpdk/underlay.yaml b/tcp_tests/templates/virtual-mcp11-ovs-dpdk/underlay.yaml
index 7f3acfa..50ff557 100644
--- a/tcp_tests/templates/virtual-mcp11-ovs-dpdk/underlay.yaml
+++ b/tcp_tests/templates/virtual-mcp11-ovs-dpdk/underlay.yaml
@@ -150,7 +150,7 @@
             role: salt_master
             params:
               vcpu: !os_env SLAVE_NODE_CPU, 2
-              memory: !os_env SLAVE_NODE_MEMORY, 2048
+              memory: !os_env SLAVE_NODE_MEMORY, 4096
               boot:
                 - hd
               cloud_init_volume_name: iso
diff --git a/tcp_tests/templates/virtual-mcp11-ovs.new/underlay.yaml b/tcp_tests/templates/virtual-mcp11-ovs.new/underlay.yaml
index abdbab7..68c09ae 100644
--- a/tcp_tests/templates/virtual-mcp11-ovs.new/underlay.yaml
+++ b/tcp_tests/templates/virtual-mcp11-ovs.new/underlay.yaml
@@ -149,7 +149,7 @@
             role: salt_master
             params:
               vcpu: !os_env SLAVE_NODE_CPU, 2
-              memory: !os_env SLAVE_NODE_MEMORY, 2048
+              memory: !os_env SLAVE_NODE_MEMORY, 4096
               boot:
                 - hd
               cloud_init_volume_name: iso
diff --git a/tcp_tests/templates/virtual-mcp11-ovs/underlay.yaml b/tcp_tests/templates/virtual-mcp11-ovs/underlay.yaml
index a7d88ff..eb34949 100644
--- a/tcp_tests/templates/virtual-mcp11-ovs/underlay.yaml
+++ b/tcp_tests/templates/virtual-mcp11-ovs/underlay.yaml
@@ -149,7 +149,7 @@
             role: salt_master
             params:
               vcpu: !os_env SLAVE_NODE_CPU, 2
-              memory: !os_env SLAVE_NODE_MEMORY, 2048
+              memory: !os_env SLAVE_NODE_MEMORY, 4096
               boot:
                 - hd
               cloud_init_volume_name: iso