用户可使用命令display interface brief，查看接口状态和配置的简要信息。
<SWT> display interface brief
PHY: Physical
*down: administratively down
(l): loopback
(s): spoofing
(E): E-Trunk down
(b): BFD down
(e): ETHOAM down
(dl): DLDP down
(d): Dampening Suppressed
InUti/OutUti: input utility/output utility
Interface PHY Protocol InUti OutUti
GigabitEthernet0/0/1 up up 0.06% 100%
GigabitEthernet0/0/2 up up 100% 100%
GigabitEthernet0/0/3 up up 0% 100%
GigabitEthernet0/0/4 up up 10% 10%
GigabitEthernet0/0/5 up up 32% 25%
GigabitEthernet0/0/6 down down 0% 0%
GigabitEthernet0/0/7 down down 0% 0%
GigabitEthernet0/0/8 down down 0% 0%
GigabitEthernet0/0/9 down down 0% 0%
GigabitEthernet0/0/10 down down 0% 0%
GigabitEthernet0/0/11 down down 0% 0%
GigabitEthernet0/0/12 down down 0% 0%
GigabitEthernet0/0/13 down down 0% 0%
GigabitEthernet0/0/14 down down 0% 0%
GigabitEthernet0/0/15 down down 0% 0%
GigabitEthernet0/0/16 down down 0% 0%
GigabitEthernet0/0/17 down down 0% 0%
GigabitEthernet0/0/18 down down 0% 0%
GigabitEthernet0/0/19 down down 0% 0%
GigabitEthernet0/0/20 down down 0% 0%
GigabitEthernet0/0/21 down down 0% 0%
GigabitEthernet0/0/22 down down 0% 0%
GigabitEthernet0/0/23 down down 0% 0%
GigabitEthernet0/0/24 down down 0% 0%
MEth0/0/1 down down 0% 0%
NULL0 up up(s) 0% 0%
回显信息中的InUti表示接口接收方向最近300秒内的平均带宽利用率。
回显信息中的OutUti表示接口发送方向最近300秒内的平均带宽利用率。
接口接收方向流量＝接口速率×接收方向平均带宽利用率，同理，接口发送方向流量＝接口速率×发送方向平均带宽利用率。例如，对于接口GigabitEthernet0/0/5，接口接收方向流量为1000Mbit/s×32％＝320Mbit/s,发送方向流量为1000Mbit/s×25％＝250Mbit/s。
