Doporučená defaultní konfigurace portů :
| stp disable | S5720, CE6865 | Vypnutí stp na portu |
| stp bpdu-filter enable | S5720, CE6865 | |
| stp edged-port enable | S5720, CE6865 | |
| loopback-detect enable | S5720, CE6865 | |
| loopback-detect vlan X | CE6865 | |
| mac-limit maximum X | S5720 | Limit mac-address na portu. Limity lze vypsat display mac-limit |
| mac-address limit maximum X | CE6865 | |
trust dscp, broadcast-suppression packets 500, ….
Port TRUNK :
port link-type trunk
undo port trunk allow-pass (permit) vlan 1
port trunk allow-pass (permit) vlan X
loopback-detect vlan X (CE6865, ...)
| allow-pass | CE6865, S6720 |
| permit | S5720, H3C |
QinQ :
| S5720 | port link-type dot1q-tunel port default vlan X |