On 13/09/2018 08:34, Alexey Eromenko wrote:
1. First of all MAC addresses have a lot of reserved numbers, so take care
https://www.iana.org/assignments/ethernet-numbers/ethernet-numbers.xhtml
I suggest you to copy first 6 hex numbers from Virtualbox generated
MAC addresses and only setup last numbers. Can’t your program generate
proper MAC addresses? (because if you by mistake use a wrong
Broadcast-reserved MAC address, things will not work).
2.a. Yes, just connect all your VMs either to bridge mode to Ethernet
adapter. (Promiscuous mode = allow all)
VM - Settings - Mode = Bridge, Promiscuous mode = allow all.
2.b. or you can try internal network (a.k.a vSwitch) (called “intnet”)
- mode = Internal network.
2.c. Disable firewall inside VMs (Windows Firewall or Linux iptables)
other notes: Your vRouters may also need a default gateway or a
routing protocol running to connect to each other. Or they are in
Layer2 switchmode? If in L2 mode, then default gateway on hosts h1,2
(guests^2, really) is not required.
Good points above, on MAC addresses a key thing to avoid is having an
odd number on the first byte, using the Virtualbox assigned first 3
bytes is good advice assuming there is no conflict on the local L2
broadcast domain.
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