D-link минимальный конфиг

Сброс до заводских настроек:

reset config
reset system

Настройка под 12 SFP:

create vlan vlan_208 tag 208 advertisement
config vlan default advertisement disable
config vlan default delete 1-12
config ipif System vlan vlan_208 ipaddress 10.20.30.41/24 state enable
create iproute default 10.20.30.1 1
config vlan vlan_108 add tagged 1-12
save config
save all

Настройка клиентского свитча (на примере DES-3028):

enable loopdetect
config loopdetect ports 1-24 state enabled
config loopdetect ports 25-28 state disabled

create vlan vlan_208 tag 208 advertisement enable
config vlan vlan_208 add tagged 25-26
creaеу vlan vlan_123 tag 123
config vlan vlan_123 add taggeg 25-26
config vlan vlan_123 add untagged 1-24
create iproute default 10.20.30.1 1
config vlan default advertisement disable
config vlan default delete 1-26
config ipif System vlan vlan_208 ipaddress 10.20.30.119/24 state enable
save config
save all