Hi Jonathan, a pretty typical deployment would be to have a management vlan/subnet. For an argument purpose you can use vlan 1 as management and put it on a 255.255.255.224 mask if that is enough to permit the 15 switches and all of the other network devices.
Next you can either have the router support the network traffic with a normal trunk and vlans tag or you can have the switches handle the network load. If the router supports subinterfaces or network subnets, that is fine, otherwise you'd simply need a static route to point to the switch SVI to be able to route the desired subnets.
As an example-
Management is the /28 on vlan 1 - 192.168.1.1 - 192.168.1.31
Then you could create additional vlans basically as much as you want
vlan 2 - 192.168.2.1 /24
vlan 3 - 192.168.3.1 /24
To implement the switch configuration is basic something like this-
int vlan 1
ip address 192.168.1.2 /28
int vlan 2
ip address 192.168.2.1 /24
int vlan 3
ip address 220.127.116.11 /24
ip default-gateway 192.168.1.1
Then your router, if it doesn't support the subnets you could use static routes
ip route 192.168.2.0 255.255.255.0 192.168.1.2
ip route 192.168.3.0 255.255.255.0 192.168.1.2
This should normalize the network and separate network traffic and give enough space for a management vlan.
-Tom Please mark answered for helpful posts
Please mark answered for helpful posts
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