Well, i see that you have put Port-channel not on the same switch , you can't do that unless you use a VPC .The spanning-tree dont work correctly with the design you put .what i advice to you to tshoot your LAB , is deleting all this config , start b...

Hello,I've checked the ARP table on the The router MAN-R1 , i see that the mac address of the different vlan99 of the switchs are received on the GigabitEthernet0/0/0 , I think you have a misconfig-vlan-TAG on your switch/Router , i dont have the ena...

Could you enclose the picture of your LAB and explain how do you want to connect? From which equipment and to which remote host ?