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PROXMOX multiport NIC, multiple /24 private networks, multiple VMs; networking setup

jp flag

I am trying to get networking setup on my proxmox server and have the following setup:

vmbr0: 192.168.0.253/24 gw:192.168.0.1
bridged to eno1
2 VMs on this network:
VM1: 192.168.0.250/24
VM2: 192.168.0.249/24

vmbr1: 172.27.27.253/24 gw: none
bridged to eno4
1 VM on this network
VM3: 172.27.27.10/24

I can ping/surf from machines setup on the vmbr0 network.

I can ping the 172.27.27.1 router from vmbr1 but I cannot ping 8.8.8.8.

I do not want the two vm networks to talk to each other. I need them to act like two separate networks going to/through their respective gateway routers.

I am not sure how to route the traffic for VM3. It seems like it's getting to the correct GW router but not finding its route back. If that's the case then I think I can figure out how to add a route in the Mikrotik that is 172.27.27.1.

Any help would be appreciated.

current proxmox setup

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