diff --git a/Networks/Main.pkt b/Networks/Main.pkt
index 4b66013..3dd91f3 100644
--- a/Networks/Main.pkt
+++ b/Networks/Main.pkt
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:15df9424b6da524dddfdd187644314d4cfa5f2c8dba9534127b3b3ed4061af55
-size 226644
+oid sha256:3780c9650b548224e3c2d07c993e0805ab3d443260a7febf48ee2ebfde5aa9e0
+size 227027
diff --git a/Tutorials/M7 Lab 6 - Firewall using ACL/README.md b/Tutorials/M7 Lab 6 - Firewall using ACL/README.md
new file mode 100644
index 0000000..a43a4e3
--- /dev/null
+++ b/Tutorials/M7 Lab 6 - Firewall using ACL/README.md	
@@ -0,0 +1,22 @@
+# Lab 06 - Firewall using ACL
+> ***Objectives:***
+> - Implement firewall between VLAN10 and VLAN20
+
+## Configure Routers
+On Routers `R1` and `R2`
+
+```sh
+enable
+configure terminal
+ip access-list extended FILTER
+permit ip 10.20.0.0 0.0.255.255 host 10.10.10.10
+deny ip 10.20.0.0 0.0.255.255 10.10.0.0 0.0.255.255
+permit ip any any
+exit
+interface fastEthernet 0/0.20
+ip access-group FILTER in
+exit
+exit
+disable
+exit
+```