FA ports L2?

in CCNA & CCENT
Let me make sure I am understanding this correctly.
Doing some labs on my own in Packet Tracer today playing with the different ports and connection types and configuring different subnets and using console and telnet sessions to do so (to mirror the test)....
I am able to go router to router with a serial connection with the ability to assign a subnet to each interface but I am not able to assign an IP address using the FastEthernet ports...
Is this because the FA ports are L2 technology and the serial ports are for routing or L3??
Doing some labs on my own in Packet Tracer today playing with the different ports and connection types and configuring different subnets and using console and telnet sessions to do so (to mirror the test)....
I am able to go router to router with a serial connection with the ability to assign a subnet to each interface but I am not able to assign an IP address using the FastEthernet ports...
Is this because the FA ports are L2 technology and the serial ports are for routing or L3??
Currently enrolling into WGU's IT - Security Program. Working on LPIC (1,2,3) and CCNA (and S) as long term goals and preparing for the Security+ and A+ as short term goals.
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Comments
What error are you getting?
Even more shamefully I had to Google it.
"I'll just quickly throw up a couple routers in PT to mess around with EIGRP"
*1hr later*
REEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE.
Only use it because it's quicker to get a very, very simple LAB set up over GNS3.
this
I don't think there is a router in the newest version of PT with L3 FA.
Next: CCNP (R&S and Sec)
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