please show your config, /etc/network/interfaces and /etc/network.d/
and alsoiptable -L -t nat
# https://pve.proxmox.com/wiki/Network_Configuration
		Code:
	
	root@pve:~# cat /etc/network/interfaces
auto lo
iface lo inet loopback
iface enp2s0 inet manual
auto wlo1
iface wlo1 inet manual
        address 192.168.50.20/24
        gateway 192.168.50.1
auto vmbr0
iface vmbr0 inet static
    address 192.168.51.1/24
    bridge-ports none
    bridge-stp off
    bridge-fd 0
auto vnet1
iface vnet1 inet static
    address 192.168.52.1/24
    bridge-ports none
    bridge-stp off
    bridge-fd 0
    hwaddress 6e:08:e2:74:e7:61
    post-up echo 1 > /proc/sys/net/ipv4/ip_forward
    post-up iptables -A FORWARD -i wlo1 -j ACCEPT
    post-up iptables -A FORWARD -o wlo1 -j ACCEPT
    post-up iptables -A FORWARD -i vnet1 -j ACCEPT
    post-up iptables -A FORWARD -o vnet1 -j ACCEPT
		Code:
	
	root@pve:~# cat /etc/network.d
cat: cannot access '/etc/network.d': No such file or directoryI have
network and networks in /etc though.
		Code:
	
	root@pve:~# iptables -L -t nat
Chain PREROUTING (policy ACCEPT)
target     prot opt source               destination        
Chain INPUT (policy ACCEPT)
target     prot opt source               destination        
Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination        
Chain POSTROUTING (policy ACCEPT)
target     prot opt source               destination
			
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