Heads Up :
The post you are writing will appear in a public forum. Please ensure all content is appropriate for public consumption. Review the employee guidelines for the community here.
I uploaded question in order to solve the problem. However, it is still living as a question, because it is not yet solved.The help of network expert is necessary. Could you give me any help with that? Please refer to URL below. Thanks.https://commun...
Hi,As shown in the picture, each industrial PC is connected to the L2 Switch (No VLAN). The customer wants to install a data collection server and a data monitoring server. The data must be transferred from the industrial PCs to the data collection s...
I always appreciate the support of Cisco community. There are 3 (or more) networks that need to access the server A and B (below picture). For your information, there are all standalone networks, not external network. We've faced IP duplication probl...
Hi everyone, I always appreciate the support of Cisco community. We need to connect the networks with the same network address to L3 switch (Catalyst 9300) to communicate with the destination server. Also, the communication between Network A and B mu...
Hi everyone,I always appreciate for technical support. As shown in the picture below, Network A and Network B must be connected to the destination server to exchange data. Also, we must prohibit the communication between Network A and Network B. So, ...
I really appreciate your help. I think that your test was working well because you probably applied VLANs (VLAN 10, 20, 30, and 40) to the switches circled in blue in the image. But, I cannot change VLAN setting of the switches circled in blue. So, i...
I don't understand why you mentioned commands that don't work. The Cisco community is a place that many people including me find a solution. It is important to understand more clearly what the problem is. To leave an opinion without awareness of the ...
Independent networks must be connected to a new server without network configuration change of existing devices.However, I had found a problem of IP address duplication, so I uploaded a post on the CISCO Community in order to solve the problem, but n...
As I mentioned above, to create VLAN on the existing switches (Switch 1~4) is impossible because the configuration for existing switches cannot be changed. So, it's a difficult problem to solve. In order to reflect your comment (At present you are mi...
Paul, thank you very much for your support. I entered the commands referring to your explanation. However, It is still a problem. Please refer to URL below. Thanks.https://community.cisco.com/t5/routing/solution-for-network-connection-with-same-ip-ad...