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--- ip [2019/04/09 08:59] – [Add a vlan tag to an interface] admin
+++ ip [2019/10/24 07:12] (current) – [Setup a secondary IP on the same physical device] admin
@@ Line 51: / Line 51: @@
 <code bash>
 ip addr del 172.16.134.5/23 dev ens33 label ens33:1
+</code>
+==== To make it permanent ====
+To make it permanent, you do it using ''nmcli'' or just add the following lines into ''ifcfg-ens33'' file:
+<code bash>
+IPADDR1=172.16.134.5
+PREFIX1=23
+</code>
+The ''nmcli'' command:
+<code bash>
+nmcli con mod ens192 +ipv4.addresses "172.16.134.5/23"
+</code>
+When done, just restart network: ''systemctl restart network''
+===== Remove (delete) an IP address =====
+<code bash>
+ip addr del 172.16.134.5/23 dev ens33
 </code>
 ===== Setup with VLAN tag =====
 In some circumstances, a VLAN tagging is necessary. In this chapter, I show how-to setup such an interface.
+^ What             ^    ^ Value               ^
+| Physical device  | :  | ens2f0              |
+| IP address       | :  | 192.168.1.54        |
+| Netmask/Prefix   | :  | 255.255.255.0 / 24  |
+| VLAN interface   | :  | ens2f0.90           |
 ==== Add a vlan tag to an interface ====
@@ Line 66: / Line 97: @@
 <code bash>
-ip addr add 10.90.1.54/24 dev ens2f0.901
+ip addr add 192.168.1.54/24 dev ens2f0.90
 </code>
@@ Line 72: / Line 103: @@
 <code bash>
-ip route add default via 10.90.1.1 dev ens2f0.901
+ip route add default via 192.168.1.1 dev ens2f0.90
 </code>