gre

diff --git a/README.md b/README.md
index bb229130969241a9b305def2181d34ce12317862..e754ff367c907a90dc750d36d34fd4add17ffafb 100644 (file)
--- a/README.md
+++ b/README.md
@@ -2925,6 +2925,21 @@ ip netns exec vnet ip xfrm policy add \
 
 
 
+```
+
+
+```shell
+# gre
+
+
+sudo sysctl -w net.ipv4.ip_forward=1
+
+sudo ip tunnel add gre1 mode gre remote <HOST_B_IP> local <HOST_A_IP> ttl 25
+
+sudo ip addr add <HOST_A_PRIV_IP> dev gre1
+
+sudo ip link set gre1 up
+
 ```
 
 # NFTABLES NFT