| Technical Forums > VPN How tos / Tutorials |
| Adding an extra IP address to your CentOS server |
| (1/1) |
| Administrator:
If you have a dedicated server or a VPS and you ordered additional IP addresses for your VPN Server, just follow the following instructions in adding IP address to your server. --- Code: ---cd /etc/sysconfig/network-scripts --- End code --- Then as a usual precaution I would make a backup of the file --- Code: ---cp ifcfg-eth0 ifcfg-eth0.bak --- End code --- (you wont need to do anything with the backup) Then copy the config for your new IP --- Code: ---cp ifcfg-eth0 ifcfg-eth0:1 --- End code --- Then we need to edit the new config --- Code: ---vim ifcfg-eth0:1 --- End code --- You can use any text editors you want. The lines you need to change: --- Quote ---DEVICE="eth0" to DEVICE="eth0:1" --- End quote --- Then change the IPADDR="xxx.xxx.xxx.xxx" to be your NEW ip address (it will have your primary ip listed) Once this is done, press ESC then type :wq and press enter to save changes This will have saved the config for you and the interface is ready to be brought up. This is done with --- Code: ---/sbin/ifup eth0:1 --- End code --- Having done this if you type --- Code: ---/sbin/ifconfig --- End code --- You should see something like --- Code: ---eth0 Link encap:Ethernet HWaddr 00:00:00:00:00:00 inet addr:xxx.xxx.xxx.xxx Bcast:xxx.xxx.xxx.xxx Mask:255.255.254.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:55818546 errors:0 dropped:0 overruns:0 frame:0 TX packets:46167836 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:100 RX bytes:3299680715 (3146.8 Mb) TX bytes:1890963825 (1803.3 Mb) Interrupt:11 Base address:0xd000 eth0:1 Link encap:Ethernet HWaddr 00:00:00:00:00:00 inet addr:NEW.IP.ADDRESS Bcast:xxx.xxx.xxx.xxx Mask:255.255.254.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:11 Base address:0xd000 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:241244 errors:0 dropped:0 overruns:0 frame:0 TX packets:241244 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:66571100 (63.4 Mb) TX bytes:66571100 (63.4 Mb) --- End code --- To add more IP Addresses just repeat the steps above and just increment 1 in eth0:1 to eth0:2 |
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