Tuesday, March 3, 2020

One Domain Multiple Subnets

I'm currently still going for my networking certifications and I am fairly new to the field so bear with me. At my technical school, we were tasked with creating a network. We have one virtual server running Windows Server 2016, one Cisco 1941 router, and one 16 port Cisco switch I can't remember the model number of. Our switch currently has 3 VLANS, each on a different subnet, as per the criteria of the project. We origionally only needed 2, but I decided I wanted to make my life harder. The VLANs share a trunk port on the switch thag connects to G0/0 on out router. We used subinterfaces to make all our subnets work on one router interface.

Here is my main issue: we would like to configure Active Directory on our network so that users can log into domain devices. The issue is that we are not sure how we make our domain accessible to two of our subnets, but not the third. We have already configured DNS and DHCP to work properly across all networks.

Subnetting Information in case it is needed: Subnet 1(Management): Network Address: 150.133.207.1/26 Default Gateway: 150.133.207.1/26 Server (DHCP/DNS): 150.133.207.3/26 VLAN75 (Switch): 150.133.207.2/26 Active Directory?: Yes (Hopefully)

Subnet 2(Staff): Network Address: 150.133.207.64/26 Default Gateway: 150.133.207.65/26 VLAN76 (Switch): 150.133.207.66/26 Active Directory?: Yes (Hopefully)

Subnet 3(Guest): Network Address: 150.133.207.128/25 Default Gateway: 150.133.207.129/25 VLAN77 (Switch): 150.133.207.130 Active Directory?: No



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