I have a vlan 5 connected directly to core switch. I have another vlan 10 connected to firewall. Core switch is connected to firewall through inside interface. In trunk link between core and firewall, i have allowed only vlan 10 (i understand vlan 10 need to be allowed in trunk if all vlan's are now allowed in order to reach it's default gateway in firewall and then get routed to other subnets). EIGRP is running between core and firewall.
When traffic has to go to internet from vlan 5, how is it's traffic allowed through trunk link to firewall when i have allowed only vlan 10 through the trunk? I just want to understand how this works.
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