fix in vlan interface configuration

content/snippets/0260-administring-a-cisco-switch.md

@@ -49,11 +49,31 @@ If the VLAN should be used for management purposes it needs an IP address:
 configure terminal
 vlan 2000
 name vlan2000
+exit
+
+interface vlan 2000
 ip address dhcp
 exit
+
 exit
 ```
 
+or
+
+```
+configure terminal
+vlan 2000
+name vlan2000
+exit
+
+interface vlan 2000
+ip address 192.168.88.3 255.255.255.0
+exit
+
+ip default-gateway 192.168.88.1
+
+exit
+```
 
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