diff --git a/configs/aarch64_defconfig b/configs/aarch64_defconfig
index 20db0709..23f7aab7 100644
--- a/configs/aarch64_defconfig
+++ b/configs/aarch64_defconfig
@@ -124,3 +124,5 @@ BR2_PACKAGE_KLINFIX=y
 BR2_PACKAGE_NET=y
 BR2_PACKAGE_TETRIS=y
 BR2_PACKAGE_QUERIERD=y
+GNS3_APPLIANCE_RAM=512
+GNS3_APPLIANCE_IFNUM=10
diff --git a/configs/amd64_defconfig b/configs/amd64_defconfig
index a9d93264..e492ca76 100644
--- a/configs/amd64_defconfig
+++ b/configs/amd64_defconfig
@@ -129,3 +129,5 @@ BR2_PACKAGE_KLINFIX=y
 BR2_PACKAGE_NET=y
 BR2_PACKAGE_TETRIS=y
 BR2_PACKAGE_QUERIERD=y
+GNS3_APPLIANCE_RAM=512
+GNS3_APPLIANCE_IFNUM=10