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I'm having an utter mental blank here - can someone put me out of my misery??

I know a single NIC/port can have multiple IPs assigned to it, but can they be on different subnets?

Say you've got a switch with three hosts attached, configured like this ([..]= a NIC), where Host A is also the gateway to the internet.

+---[192.168.1.1/24, 192.168.2.1/24] - Host A - [WAN IP] <----> internet
+---[192.168.1.2/24] - Host B
+---[192.168.2.2/24] - Host C

Am I right in thinking that B and C be will able to communicate with A and the internet, but not with each other (unless A is configured to route between them)?

In other news, I've also started to dribble and forget my name.

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