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--- linux_wiki:route_ip_traffic_and_create_static_routes [2016/10/10 15:56]
billdozor
+++ linux_wiki:route_ip_traffic_and_create_static_routes [2019/05/25 23:50]
@@ Line 1: / Line 1: @@
-====== Route IP Traffic And Create Static Routes ======
-**General Information**
-Routing IP traffic and creating static routes.
-----
-====== Lab Setup ======
-The following virtual machines will be used:
-  * server1.example.com (192.168.1.150) -> Configure the routes here
-----
-====== Linux Routing ======
-Ensure IP Forwarding is enabled if using router like functionality
-<code bash>
-# Temp Immediate Change
-echo 1 > /proc/sys/net/ipv4/ip_forward
-# Persistent Change that takes place upon system boot
-vim /etc/sysctl.d/overrides.conf
-net.ipv4.ip_forward = 1
-</code>
-\\
-Show Route Table
-<code bash>
-ip route show
-</code>
-\\
-Create static route (NOT persistent)
-<code bash>
-ip route add 216.58.217.0/24 via 192.168.1.254 dev eth1
-</code>
-  * 216.58.217.0/24 -> destination network
-  * via 192.168.1.254 -> use this gateway
-  * dev eth1 -> use this interface
-\\
-Remove static route
-<code bash>
-ip route delete 216.58.217.0/24 via 192.168.1.254 dev eth1
-</code>
-\\
-===== Persistent Static Route =====
-**Option A: Use a static config file**
-Create config file
-<code bash>
-vim /etc/sysconfig/static-routes
-any net 216.58.217.0/24 gw 192.168.1.254 dev eth0
-</code>
-  * any net -> source from any network
-  * 216.58.217.0/24 -> traffic to this destination
-  * gw 192.168.1.254 -> use this gateway
-  * **OPTIONAL**: dev eth0 -> use this device
-\\
-Restart the network service
-<code bash>
-systemctl restart network
-</code>
-\\
-View route
-<code bash>
-ip route show
-</code>
-\\
-**Option B: Use nmtui**
-  * Open nmtui<code bash>nmtui</code>
-  * Enter on "Edit a connection"
-  * Select the target network interface to use, press Enter.
-    * Scroll down to "Routing", Enter on "<Edit...>"
-    * Enter on "<Add...>"
-      * Type the Destination/Prefix
-      * Next Hop
-      * Optional Metric (default static is 0)
-    * Tab to <OK> and press 'Enter'
-  * Scroll to the bottom and Enter on "<OK>"
-  * Tab over to <QUIT>
-  * Restart the network service<code bash>systemctl restart network</code>
-  * View route<code bash>ip route show</code>
-----