Ihave cisco sw sg250 26 port this sw connected with two uplink one to the sw 2960 and another with sg 250 and the core sw 3650 in 3650 I created vlans and activite vtp version 3 but sg 250 didnot understand vtp......this infrastructure now when i reset sg 250 enter with gui with subnet 192.168.1.254 and making config my own subnet 10.0.4.0/23 when i login to the sg 250 i created all vlans in my company vlan 4;6;8;10;12;500;501 and sw 3650 responsible for routing between vlans in sw sg 250 i making all ports (untagged) member i vlan 4 except port 25;26 are trunk (taged) after making this iam go to the ipv4 of sg 250 and find vlan 1 with static ip 192.168.1.254 iam making add to vlan 500 that responsible for mgmt and put static ip 10.0.60.30/23 after making this i cant mange sw again and login but ican use telenet why!!!!!!
