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No network traffic passing for specific network range on switch

Hi guys

I have an HP network 1820-48G J9981A switch. We have a 192.168.10.0/24 network range on this switch. It has been set with a 192.168.10.10 IP. Prior to this, our network switch was completely vanilla and had no IP configurations.

Now, majority of appliances plugged into this network are on the 192.168.10.0/24 range. However, we have 7-8 devices set to 192.168.9.0/24 range. So now, we are completely unable to get to anything on the 192.168.9.0/24 IP's, as the switch is currently only seeing the 192.168.10.0/24.

My question is, what's the best way now to configure this switch? I don't want to reset it to factory default as we won't have any management. So do I set up VLAN's on all ports? How would you do it?

Or, can I set routing on the switch to say anything on 192.168.9.0/24 network needs to be forwarded on to the 192.168.10.0 gateway?

Thanks for helping
Yash

Paul MacDonald

A network switch <> router.

A switch routes traffic between two or more ports. A router routes traffic between two or more networks.

192.168.9.x and 192.168.10.x are two different networks. You'll need a router to route traffic between the two.

Yashy

ASKER

The switch is already connected to a router which has a gateway of 192.168.10.1 and 192.168.9.1. But, old switch was vanilla, so traffic from both networks passed through.

Now that switch has a 192.168.10.0 management IP, it won't route any of the 192.168.9.0 traffic to the necessary gateway.

Should I reset the switch to factory default remotely?

Thank you
Yash

ASKER CERTIFIED SOLUTION

Paul MacDonald

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