[Leaplist] noob networking help: 2 network ranges on same interface

[Ingo Claro]

Hello all:
I'm wondering how secure is to have 2 network ranges on the same wire.
If i've got on the firewall a network interface with 2 IPs (alias), can 
the computers see each other some way or they allways pass through the 
firewall?

example:
firewall:
eth0 -> 192.168.1.1/24
eth0:1 -> 192.168.2.1/24

PC1:
eth0 -> 192.168.1.2/24

PC2:
eth0 -> 192.168.2.2/24

all conected to the same switch
Is there a way that PC1 can connect to PC2 without passing through the 
firewall?


regards,
Ingo.

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