图文并茂讲解了VLAN知识，是科来软件公司的培训资料，有很高的收藏价值，是我见过的最好的学习VLAN的资料，谢谢科来-Illustrations to explain the VLAN knowledge, is the Branch to the software company' s training materials, a high collection value, the best I' ve seen the data VLAN learning, thanks to Section! !