[Help] Configuring network

[yunuzk]

Hi, i have:
* A host computer, network bridged, ip: [192.168.2.90], connected to LAN
* There are another computers beside the host, the ip: [192.168.2.10], [192.168.2.20], [192.168.2.30], ...
* The host computer installed VirtualBox, there are some guest computers:
** Guest 1, bridged adapter, ip: [192.168.2.91], attached on host's network bridge
** Guest 2, bridged adapter, ip: [192.168.2.92], attached on host's network bridge

The host computer [192.168.2.90] can connected to the neighbors well [192.168.2.10], [192.168.2.20], [192.168.2.30]
Every guests [192.168.2.91] & [192.168.2.92] can connected to the host [192.168.2.90] and the host's neighbors [192.168.2.10], [192.168.2.20], [192.168.2.30]
BUT each guests cannot connected to another [192.168.2.91] <=x=> [192.168.2.92]

Is there a solution to fix the problem? I want every computer (reals & virtuals) can connected well.

[Perryg]

Firewall/s?

[yunuzk]

firewall OFF in the host & guest

[Perryg]

Using Bridged your machines appear as just another PC on the LAN. Normal network and permissions.
What are the guests, and the hosts?

[yunuzk]

everything is working fine EXCEPT guest to guest.
every guests connected to host's network bridge.

all OS using win 7 64 bit.

[yunuzk]

See the design:

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