Differences

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--- network:switches:cisco:cli:vlan [2024/07/18 12:57] – niziak
+++ network:switches:cisco:cli:vlan [2024/08/19 12:42] (current) – niziak
@@ Line 1: / Line 1: @@
 ====== vlan ======
 ===== VLAN =====
@@ Line 34: / Line 33: @@
 no switchport access vlan
 end
+</code>
+==== put one port in VLAN ====
+<code>
+conf term
+interface Gi1/48
+switchport access vlan 28
+end
+wr
 </code>
@@ Line 62: / Line 71: @@
 <code>
+sh int vlan 28
 Vlan28 is up, line protocol is down
 </code>
@@ Line 76: / Line 87: @@
 If you don't have any access ports in the VLAN, and you are not trunking the VLAN across at least two trunk ports then the switch has no possible place it could forward the tagged packets to. Consequently it can shut it down.
+Solution - add VLAN 28 to one of "up" interfaces, i.e. uplink interface:
+<code>
+conf term
+interface Gi0/48
+switchport access vlan 28
+end
+wr
+</code>
+Also solution switch all other ports to trunks
+<code>
+C3560G-2(config)#int
+C3560G-2(config)#interface r
+C3560G-2(config)#interface range Gi0/1-47
+C3560G-2(config-if-range)#swi
+C3560G-2(config-if-range)#switchport mode trunk
+C3560G-2(config-if-range)#
+</code>
+??? So 48 was already in trunk mode, so it looks that switch needs 2 trunk ports UP to put vlan28 up ?