Update Proxmox/ThunderboltNetwork.md

Proxmox/ThunderboltNetwork.md

@@ -9,6 +9,11 @@ Optional package to track which node can see which other one.
 apt install -y lldpd
 ```
 
+Mandatory packages.
+```python
+apt install -y frr
+```
+
 Add kernel modules.
 ```python
 # remove empty lines
@@ -103,8 +108,17 @@ chmod +x /usr/local/bin/pve-en05.sh
 chmod +x /usr/local/bin/pve-en06.sh
 ```
 
-Time for the first reboot.
+Enable IPv4 forwarding.
+```python3
+sed -i "s/\#net.ipv4.ip_forward\=1/net.ipv4.ip_forward\=1/" /etc/sysctl.conf
+```
 
+Configure FRR.
+```python
+
+```
+
+Time for the reboot.
 ```
 /sbin/reboot
 ```