I am building a lab before I can move on to seperate our existing network (no VLAN, all devices in the same subnet)
I use 01 cisco router 2911 to connect 01 no-VLAN network with other VLANs network
They can work well if I point the default gateway of the PC belong to no-VLAN network to the IP address that I configure for Router interface.
But if I use another default gateway, they cannot work.
Because our existing no-VLAN network have a different gateway, I need to keep the existing configuration (no change). How can I configure the router to receive all packets from the existing no-VLAN net work? (without changing the default gateway of that network)
What I did:
PC <----> existing no-VLAN network (gateway: 172.x.x.4) <------> router (ip interface G 0/1: 126.96.36.199)
If I changed gateway in PC from 172.x.x.4 to 188.8.131.52 ===> it works
I meant that our existing network is NON-VLAN (172.x.x.x) with all users and servers in the same network.
I want to seperate users by build new networks with several VLANs.
Now I use router Cisco 2911 to connect our existing network with the new VLANs.
The problem is our existing network has it own gateway (172.x.x.4). And I configured in router Cisco another IP address (184.108.40.206) ==> I connected the existing network to this interface. Howerver, to make the existing network works, I have to change the IP default gateway for my PC from 172.x.x.4 to 220.127.116.11)
This is a lab, so in real existing network I cannot change the IP default gateway like that. I need to keep all things the same
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