These problems. In addition to making the management VLAN is difficult and may lead to the occurrence of broad-cast, and vulnerable to attack the 2 layer, which prevents the performance in use.
These issues In addition to making the management VLAN difficult it may lead to the emergence broadcast and vulnerable to attacks, Layer 2, which made an impact on the efficiency of use.
These problems, in addition to the management of VLAN difficult and may lead to the occurrence and broadband casts more susceptible to attack a layer 2 which affect the work efficiency.