You can but the switch will be of no actual use in this case.
Cable modem switch then router.
When connecting more than one device to a modem a router is generally required.
A router acts as the traffic director of a network.
If you use a modem you get a public ip on a device connected to it.
Buy a compatible modem router or a gateway to replace your comcast modem.
Unplug any ethernet cables that are plugged into any of them.
When you connect a switch to your cable modem each device connected to the switch attempts to get an ip address directly from your isp.
When it comes to cable modems motorola is one of the most reliable names in the business and the mg7700 combines its solid docsis 3 0 24x8 channel cable modem technology with an ac1900 dual band wi fi router giving you high speed wi fi access to the internet in a small and unobtrusive package.
It takes information provided by the modem and routes it to the devices attached to the modem then the router creates network address translated nat internal private ip address to the connected devices so they can be accessed.
One device will get an ip and the rest will be left withouth.
On the asus rt ac5300 router i enabled bonding 802 3ad for ports 1 and 2 and connected them to ports 51 and 52 on the gs752tpp gigabit switch.
Cable modem switch and wireless router well i finally got around to setting up the switch and router.
Network switch after router.
When you connect a router between the modem and the switch the router gets the 1 ip address from your isp and creates a new network with its own.
If you re on residential internet your isp only allows you to a single public ip per connection.
In most cases you will see people put the modem first followed by a router and then a gigabit ethernet switch the principle is that the modem gives the public ip address to the router and the router assigns the private addresses to the devices connected to it while the network switch doesn t handle allocating ip addresses but serves.
Modem to router to switch.
Placing the switch between the cable or dsl modem and the wireless router adds an extra layer of protection from threats on the internet and adding more connections to the network is as simple as plugging another router into the switch.
If you re on residential internet your isp only allows you to a single public ip per connection.
Step 1 unplug the power supplies for the cable modem switch and wireless router.
Connect telephone wire with modem and then connect an ethernet cable to the ethernet port on the back of the cable modem.
You do not need to buy a 2 in 1 gateway device modem router in 1 device such as the one comcast commonly supplies and brands as xfi.
Unplug any ethernet.
Unplug the power supplies of cable modem switch and wireless router.