Will this configuration work?

[Satyam1]

I will configure 14 VLANs in total. I will connect all Firewall Interface to one of the L2 Switch and I will cascade the other L2 Switches with that L2 Switch. In this case, do we need Trunk? Please check if any problem with such configuration.

There will be no L3 switch and the Firewall will do all the routing.

[K_montalvo · Accepted solution]

For more than 1 VLAN in one cable you need trunk port. Regarding the cascade i will avoid doing this as SWITCH1 would be a single point of failure. You can try to connect them separetly to seperate ports on the FW as access port and taggued the vlan internally where necessary if needed.

[the_rock]

As Kenny said, for more than 1 Vlan, you DEFINITELY need trunk port.