If both trunk port pvid for vlan10 through vlan10, 20, 30, at the ends of the configuration vlan can normal communication, if in the middle of the trunk string into a common fool switches will be how? Not to say that ordinary fool switches is pvid vlan1? So between the trunk will not ah, and firewall between trust and untrust area if will use second passthrough can also be placed in the between two trunk through and through all vlan data (the firewall without configuration vlan function, also can not set the access and trunk).

CodePudding user response:

CodePudding user response:

Such distribution, vlan10 can communicate, you draw a diagram, and then according to the figure above deduction to understand,