Hi, Ihave isp connection DIA100mbps. i am isolation this connection in 60mb & 40mb. I am using 2921 w/o sec for main connection 0/0, 0/2 40mbps to tplink switch SG2428 0/1 60mbps through point to point power beam 5ac to router 2 2921. 0/1 s1 cbs250 ...