Update Proxmox/ThunderboltNetwork.md

Proxmox/ThunderboltNetwork.md

@@ -87,16 +87,42 @@ systemctl restart frr
 
 Make sure interface is coming up!
 ```python
-tee -a /etc/network/if-up.d/restart-frr <<EOF
+tee -a /usr/local/bin/restart-frr.sh <<EOF
 #!/bin/sh
-
-# Check if the interface is either en05 or en06
-if [ "$IFACE" = "en05" ] || [ "$IFACE" = "en06" ]; then
-    # Restart the frr service
-    /usr/bin/systemctl restart frr.service
-fi
+# Delayed start script to tell frr to reload ensuring that it sees thunderbolt links towards other nodes.
+# condition: is there any tbt network interface and frr service up
+COUNTER=0
+while [ ${COUNTER} -lt 5 ]; do
+        sleep 1;
+        TEST=$(ip a | grep ": en0" | grep "UP" | awk 'BEGIN { ORS=""}; {print $2}')
+        if [ ${#TEST} -ge 2 ]; then
+                TEST_SVC=$(service frr status | grep "active (running)")
+                if [ ${#TEST_SVC} -ge 2 ]; then
+                        service frr reload;
+                        echo "frr service reload request sent"
+                        exit 0;
+                fi
+        fi
+        COUNTER=$((COUNTER+1));
+done
+echo "Failed to request frr service reload: request NOT sent"
+exit 1;
 EOF
-chmod +x /etc/network/if-up.d/restart-frr
+chmod +x /usr/local/bin/restart-frr.sh
+
+tee -a /etc/systemd/system/frr-restarter.service <<EOF
+[Unit]
+After=network.target
+
+[Service]
+ExecStart=/usr/local/bin/restart-frr.sh
+
+[Install]
+WantedBy=default.target
+EOF
+
+systemctl daemon-reload
+systemctl enable frr-restarter
 ```
 
 ## Different settings per Node!