id,mac,port,vlan,switch_id
1,00:0c:27:88:0c:a1,1,1,1
2,00:0c:27:88:0c:a2,2,1,1
3,00:0c:27:88:0c:a3,3,1,1
4,00:0c:27:88:0c:b1,1,1,2
5,00:0c:27:88:0c:b2,2,1,2
6,00:0c:27:88:0c:b3,3,1,2
7,00:0c:27:88:0c:c1,1,1,3
8,00:0c:27:88:0c:c2,2,1,3
9,00:0c:27:88:0c:c3,3,1,3
10,00:0c:27:88:0c:d1,1,1,4
11,00:0c:27:88:0c:d2,2,1,4