Your question is unclear. Did you want to know how to re-configure layer-3 switch ports into layer-2? Or configuring Layer-2 trunking on routers? Or configuring Layer-3 interfaces on multi-layer switches?
If you meant inter-VLAN routing, after creating the VLANs, you'd need to create the appropriate SVIs (Switched VLAN Interface) for those VLANs.
ip address 10.1.10.1 255.255.255.0
ip address 10.1.11.1 255.255.255.0
ip address 10.1.12.1 255.255.255.0
Once you created those interfaces above, the switch will automatically route between them. Therefore, if you have a PC connected to VLAN10, and another to VLAN12, and each one is pointing to the switch as their default gateway, you'll be able to communicate from PC1 to PC2 without any additional configurations on the switch.
PS: the above is valid for multi-layer switches only (Cat 3560 and above). Layer-2 switches (Cat 2950, 2960, etc.) only allow you to create 1 SVI. If you tried to create more than 1 SVI on L2 switches, the last SVI you configured with "no shutdown" will be used as the active Layer-3 interface while the other SVIs will be shut down. I learned this the hard way years ago when configuring a Cat 2950.
This is actually a pretty cool feature, i didn't even know it existed until I was looking for a solution to advertise a subnet (prefix in BGP talk), only if a certain condition existed. This is exactly what conditional advertisements does
j ai une question j ai achete un routeur cisco 887VA-k9 , je le configuré avec la configuration ci- dessous
si je le lier avec mon pc portable sur l un de ses ports directement ça marche toute est bien ( la connexion internet + m...
Attached policy provides CLI access to the Cisco 4G router over text messaging. Two files are in the attached .tar file:
2. PDF with instructions on how to load and use the .tcl file.