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--- migration_temporary_redirect [2015/04/07 16:03] – admin
+++ migration_temporary_redirect [2015/04/07 16:09] – [Temporary redirect traffic to other host] admin
@@ Line 1: / Line 1: @@
 {{tag>[iptables networking linux]}}
 ~~TOC~~
-=====Temporary redirect to other host=====
+=====Temporary redirect traffic to other host=====
-I've used the steps below to temporary redirect traffic during migration to another host. Tested on CentOS 6.x
+I've used the steps below to temporary redirect IP traffic, during migration to another host. Tested on CentOS 6.x
-  * Enable forwarding:<code>sysctl net.ipv4.ip_forward=1</code>
+  * Configure the kernel to allow forwarding:<code>echo 1 > /proc/sys/net/ipv4/ip_forward</code>
-  * Forward port:<code>iptables -t nat -A PREROUTING -p tcp --dport 443 -j DNAT --to-destination 2.2.2.2:443</code>
+  * Route traffic to destination:<code>iptables -t nat -A PREROUTING -p tcp --dport 443 -j DNAT --to-destination 2.2.2.2:443</code>
   * Allow forwarding: <code>iptables -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
 iptables -A FORWARD -p tcp -d 2.2.2.2 --dport 443 -j ACCEPT</code>
-  * Masquerade outgoing connection:<code>iptables -t nat -A POSTROUTING -j MASQUERADE</code>
+  * Masquerade outgoing connections:<code>iptables -t nat -A POSTROUTING -j MASQUERADE</code>
   * Show active rules:<code>iptables -nvL -t nat</code>
   * Delete rules: