Update docs/vendor/embedded-troubleshooting.mdx

Co-authored-by: Alex Parker <[email protected]>

Author: paigecalvert

docs/vendor/embedded-troubleshooting.mdx

@@ -172,16 +172,11 @@ Reasons can include:
     1. Use sysctl to set the kernel parameters to the correct values:
 
         ```bash
-        sysctl -w net.ipv4.conf.default.arp_filter=0
-        sysctl -w net.ipv4.conf.default.arp_ignore=0
-        sysctl -w net.ipv4.ip_forward=1
+        echo "net.ipv4.conf.default.arp_filter=0" >> /etc/sysctl.d/99-embedded-cluster.conf
+        echo "net.ipv4.conf.default.arp_ignore=0" >> /etc/sysctl.d/99-embedded-cluster.conf
+        echo "net.ipv4.ip_forward=1" >> /etc/sysctl.d/99-embedded-cluster.conf
 
-
-        echo "net.ipv4.conf.default.arp_filter=0" >> /etc/sysctl.conf
-        echo "net.ipv4.conf.default.arp_ignore=0" >> /etc/sysctl.conf
-        echo "net.ipv4.ip_forward=1" >> /etc/sysctl.conf
-
-        sysctl -p
+        sysctl --system
         ```
 
     1. Reset and reboot the installation: