Wednesday, January 10, 2018

Same VLAN, different subnet masks?

I'm currently in the transition process of changing IP subnets on my network, to make room for more IP's... however, during this process, I want to ensure they're both able to 'talk' with each other, until the entire transition is complete. In a quick test, it seems to work fine, however I just want to bounce the idea, to see if any routing must be configured on the router to ensure 100% success.

IP subnet is 192.168.2.0/24 New IP subnet is 10.10.0.0/22 

Both are on VLAN 10.... right now, they can ping each other and connect just fine... should I be OK with just leave it as is?

Switch configuration is as follows:

(Note, 192.168.2.1 & 10.10.0.1 is configured as my firewall)

vlan 10 interface vlan 10 ip address 192.168.2.2 255.255.255.0 ip address 10.10.0.2 255.255.252.0 secondary exit ip route 0.0.0.0 0.0.0.0 192.168.2.1 


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