Dell S4820T Configuration Manual page 314

Description SOFS-RDMA
no ip address
mtu 12000
portmode hybrid
switchport
no spanning-tree
dcb-map RoCE
!
protocol lldp
no shutdown
!
interface TenGigabitEthernet 0/22
Description SOFS- iSCSI
no ip address
mtu 12000
portmode hybrid
switchport
spanning-tree rstp edge-port
spanning-tree 0 portfast
dcb-map iSCSI
!
protocol lldp
no shutdown
314
Data Center Bridging (DCB)