Re: Multi-Networking in Linux - Multiple Subnets

On 30/07/2026 14:53, Andy Burns wrote:
> Marc Haber wrote:
> 
>> Carlos E. R. wrote:
>> >> eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
>>>          inet 192.168.2.9  netmask 255.255.0.0  broadcast 
>>> 192.168.255.255
>>
>> Using the entire 192.168.0.0/16 range for a single home network is a
>> sure sign of a person not knowing too much about networking or an
>> incompetent ISP.
>>
>>> Works for me as above :-)
>>
>> Until the moment you'd want to connect to another network.
> If you want multiple IP subnets on a single ethernet network, you'd be 
> better off using VLANs, even cheapo switches can handle that, then your 
> linux box with a single NIC can have VLAN sub-interfaces e.g. eth1.1 on 
> 192.168.0.1/24 and eth1.10 on 192.168.1.0/24
> 
> If you don't want VLANs you *could* use a NIC alias so that e.g. eth1 is 
> on 192.168.0.1/24 and the alias eth1:2 is on 192.168.1.1/24 ... but why?
> 
> 
They look the same to me.


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takes what he can and gives only what he must, but the saint gives 
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