diff --git a/notes/.obsidian/plugins/obsidian-activity-history/data.json b/notes/.obsidian/plugins/obsidian-activity-history/data.json
index 319dfb4..654d900 100644
--- a/notes/.obsidian/plugins/obsidian-activity-history/data.json
+++ b/notes/.obsidian/plugins/obsidian-activity-history/data.json
@@ -12,8 +12,8 @@
   "checkpointList": [
     {
       "path": "/",
-      "date": "2022-11-16",
-      "size": 923411
+      "date": "2022-11-17",
+      "size": 923730
     }
   ],
   "activityHistory": [
@@ -907,6 +907,10 @@
         {
           "date": "2022-11-16",
           "value": 1391
+        },
+        {
+          "date": "2022-11-17",
+          "value": 319
         }
       ]
     }
diff --git a/notes/.obsidian/plugins/various-complements/data.json b/notes/.obsidian/plugins/various-complements/data.json
index d68b563..bf26773 100644
--- a/notes/.obsidian/plugins/various-complements/data.json
+++ b/notes/.obsidian/plugins/various-complements/data.json
@@ -150,6 +150,14 @@
           "lastUpdated": 1668593600090
         }
       }
+    },
+    "Switch": {
+      "Switch": {
+        "internalLink": {
+          "count": 2,
+          "lastUpdated": 1668705021872
+        }
+      }
     }
   }
 }
\ No newline at end of file
diff --git a/notes/.obsidian/workspace.json b/notes/.obsidian/workspace.json
index 9df7b09..18c5ed3 100644
--- a/notes/.obsidian/workspace.json
+++ b/notes/.obsidian/workspace.json
@@ -14,8 +14,21 @@
               "type": "graph",
               "state": {}
             }
+          },
+          {
+            "id": "2eab84a53c70a8c5",
+            "type": "leaf",
+            "state": {
+              "type": "markdown",
+              "state": {
+                "file": "psi/vlan.md",
+                "mode": "source",
+                "source": false
+              }
+            }
           }
-        ]
+        ],
+        "currentTab": 1
       }
     ],
     "direction": "vertical"
@@ -73,6 +86,7 @@
             "state": {
               "type": "backlink",
               "state": {
+                "file": "psi/vlan.md",
                 "collapseAll": false,
                 "extraContext": false,
                 "sortOrder": "alphabetical",
@@ -89,6 +103,7 @@
             "state": {
               "type": "outgoing-link",
               "state": {
+                "file": "psi/vlan.md",
                 "linksCollapsed": false,
                 "unlinkedCollapsed": true
               }
@@ -134,7 +149,9 @@
             "type": "leaf",
             "state": {
               "type": "outline",
-              "state": {}
+              "state": {
+                "file": "psi/vlan.md"
+              }
             }
           },
           {
@@ -185,7 +202,7 @@
     "width": 300,
     "collapsed": true
   },
-  "active": "4d13807c1cbcce1e",
+  "active": "2eab84a53c70a8c5",
   "lastOpenFiles": [
     "dej/quiz/Test 16.3..md",
     "dej/quiz/23.3..md",
diff --git a/notes/data/Pasted image 20221117180120.png b/notes/data/Pasted image 20221117180120.png
new file mode 100644
index 0000000..11153c6
Binary files /dev/null and b/notes/data/Pasted image 20221117180120.png differ
diff --git a/notes/data/Pasted image 20221117180516.png b/notes/data/Pasted image 20221117180516.png
new file mode 100644
index 0000000..21037e9
Binary files /dev/null and b/notes/data/Pasted image 20221117180516.png differ
diff --git a/notes/data/Pasted image 20221117181025.png b/notes/data/Pasted image 20221117181025.png
new file mode 100644
index 0000000..94abe18
Binary files /dev/null and b/notes/data/Pasted image 20221117181025.png differ
diff --git a/notes/data/Pasted image 20221117181426.png b/notes/data/Pasted image 20221117181426.png
new file mode 100644
index 0000000..84eaf62
Binary files /dev/null and b/notes/data/Pasted image 20221117181426.png differ
diff --git a/notes/data/Pasted image 20221117181430.png b/notes/data/Pasted image 20221117181430.png
new file mode 100644
index 0000000..84eaf62
Binary files /dev/null and b/notes/data/Pasted image 20221117181430.png differ
diff --git a/notes/psi/psi.md b/notes/psi/psi.md
index 198e92e..3468c41 100644
--- a/notes/psi/psi.md
+++ b/notes/psi/psi.md
@@ -17,6 +17,7 @@ imagePrefix: 'data/'
 -  [[psi/IPv6|IPv6]]
 -  [[psi/Sítě|Sítě]]
 -  [[psi/Switch|Switch]]
+-  [[psi/vlan|vlan]]
 -  [[psi/Základní konfigurace|Základní konfigurace]]
 -  [[psi/Základy komunikace|Základy komunikace]]
 %% Zoottelkeeper: End of the autogenerated index file list  %%
diff --git a/notes/psi/vlan.md b/notes/psi/vlan.md
new file mode 100644
index 0000000..5cd7bc3
--- /dev/null
+++ b/notes/psi/vlan.md
@@ -0,0 +1,14 @@
+# vlan
+
+![](Pasted%20image%2020221117181430.png)
+## Switch
+![](Pasted%20image%2020221117180120.png)
+
+### L3 [Switch](Switch.md) 
+![](Pasted%20image%2020221117181025.png)
+
+## Router
+![](Pasted%20image%2020221117180516.png)
+`interface INTERFACE_ID SUBINTERFACE_ID`
+
+`encapsulation dot1q ID [native]`