How to Use Layer 2 Switch Ports on Cisco 1841 Router
I am using Cisco 1841 Router with only one Layer 3 Fe0 port and 8 Switch Ports.
I have given IP on Fe0 port which is connected to another router.
Now I don't know how to use the Switch Layer 2 ports of the router.
I have tried making one of the port as Access Port by switchport mode access and connected my laptop and given IP of the same subnet but I am unable to ping my Fe0 port IP and vice versa as I am also unable to ping my Laptop from Router.
Can anyone explain me how to use these Layer 2 ports?
The Layer 2 ports need to be assigned to a VLAN. By default it is VLAN 1. You need to assign an IP address to VLAN 1 for your hosts to use as a default gateway to reach the Fe0 port. Because the Layer 2 ports are in a different Broadcast domain you can't use the same subnet range as Fe0.
When packet arrives on VLAN 1 it will be routed to your Layer 3 Port via the routing table.
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