Update cheatsheets

tldr/linux/ip-route-add

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# ip route
+
+> Add a new networking route.
+> More information: <https://manned.org/ip-route>.
+
+- Add a default route using gateway forwarding:
+
+`sudo ip {{[r|route]}} {{[a|add]}} default via {{gateway_ip}}`
+
+- Add a default route using `eth0`:
+
+`sudo ip {{[r|route]}} {{[a|add]}} default dev {{eth0}}`
+
+- Add a static route:
+
+`sudo ip {{[r|route]}} {{[a|add]}} {{destination_ip}} via {{gateway_ip}} dev {{eth0}}`
+
+- Add a route to a specific routing table:
+
+`sudo ip {{[r|route]}} {{[a|add]}} {{destination_ip}} dev {{eth0}} {{[t|table]}} {{ip}}`