cuong  Freshman Member

How to check it? Please!

Dear Jonas, 1. The topology as below: IPTV ISP--->SW L3----> SW L2---> TV. LG media server is CMS server. 2. Your understanding is correct. 3. I had changed to normal leave. The issue isn't resolved 4. The issue still exists. Thank and Best Regards,

Dear Ace, Thank you so much. My network hasn't ring topology. Thank and Best Regard.

Dear Jonas, Ace, Thank for your support. For mstp configuration, SW1,SW2,SW3 all interfaces must be configured with MSTP, right? Besides, please help me ,how to configuration dhcp snooping and arp inspection on network diagram above, the dhcp server connected on interface 20 sw1. My configuration: XGS4600-32(SW1) interface…