24 bit subnet mask under a 30 bit masked interface
Greetings. I have a lab that now requires a routed interface. The setup works like this. A router with a class A address and 24 bit mask (ex. 18.104.22.168/24) has an attached Catalyst 4006 with a L3 card. All lab nodes were configured on the same network, same subnet mask. Static routing. If I change the router mask to 30 bits (22.214.171.124/30) and assign 126.96.36.199/30 to one subinterface on the catalyst - what happens?
That is, I'd like to avoid changing the subnet masks on each lab node. So if they remain at a 24 bit mask, is this a problem? I would need to give the lab vlan an interface, so I'd be adding a 21.6.225.x/24. So the catalyst would have, for example, int Gig3.1 188.8.131.52/30 and int Gig3.2 184.108.40.206/24. Would this work?
Re: 24 bit subnet mask under a 30 bit masked interface
Trouble is, the upstream router isn't mine, and neither are the lab nodes. So I have to try and fix their problems in my limited sphere. I know the 24 and 30 bit networks overlap, I just didn't know if I could trick the box into letting me do it..
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