Thursday, August 12, 2021

Network Redesign Project

https://imgur.com/a/Nhf6IrV

We have a project for a relatively small sized district public school with 4 different Remote Locations size of 1000 students and 200 staff total. BAS1 is the main location that has the firewall and 2Gbps internet from ISP and BAS1 is connected to all other Locations(BAS2,BAS3,BAS4) with 1Gbps P2P E-Lines.

As seen on the network Diagram, basically there is one WLC for all the buildings and all buildings have L3 Switch that connects to BAS1 Layer3 switch and routed internally or goes to ISP.

Everything in RED means suggested redesign for the network infrastructure:

Wireless: If we wanted to have BAS1-Staff, BAS2-Staff, BAS3-Staff, BAS4-Staff SSIDs on this Cisco 5520 WLC all other buildings will see all the WIFI SSIDs broadcasted(if broadcasted of course). What would be a better solution here? They have 2 Cisco 2504 WLCs laying around, how could we repurpose them in this case?

Catalyst 9200L 24-port PoE+ 4x10G uplink Switch: Is it not a good idea to use this as the Core L2 switch to connect to all the buildings? This way BAS1 L3 Core Switch load will be reduced(not that it is doing lots of work) and will only deal with BAS1 site

Cisco ISR4451-X/K9: They also have this and must use this in the network because it was bought from E-Rate funding. Can this be used to route to and from ISP and internal network, basically replace the job of BAS1 Core L3 switch for routing.



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