华为交换机状态查看常用命令
当华为交换机设备发生异常时，可以通过查看设备信息检查状态是否正常
1、查看设备的部件信息和状态信息
http://023wg.com
]display device ?
slot Slot
| Matching output
http://023wg.com
]display device s
http://023wg.com
]display device slot ?
<0> The present slot
http://023wg.com
]display device slot 0
S3700-52P-SI-AC's Device status:
Slot Sub Type Online Power Register Status Role
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
0 - 3752F Present PowerOn Registered Normal Master
http://023wg.com
2、查看设备的制造信息
http://023wg.com
]display device manufacture-info [ slot
slot-id
| backplane ]
3、查看设备序列号
每台设备的序列号ESN（Equipment Serial Number）是唯一的。
http://023wg.com
] display esn
4、查看版本信息
通过查看设备当前的版本信息，可以判断设备是否需要升级或者升级是否成功。
http://023wg.com
]display version ?
slot Slot
| Matching output
http://023wg.com
]display version sl
http://023wg.com
]display version slot ?
<0> The registered slot
http://023wg.com
]display version slot 0
EMFEA 0(Master) : uptime is 0 week, 0 day, 0 hour, 18 minutes
128M bytes DDR Memory
16M bytes FLASH
Pcb Version : VER B
Basic BOOTROM Version : 248 Compiled at Jun 26 2012, 18:54:52
Software Version : VRP (R) Software, Version 5.70 (V100R006C03)
5、查看电源信息
当设备的供电出现异常时，用户可以执行以下命令查看设备的电源状态信息。
http://023wg.com
]display power
--------------------------------------------------------------------------
SlotID PowerNo Present Mode State Power(W) Voltage(V)
--------------------------------------------------------------------------
0 PWRI NO N/A N/A N/A N/A
0 PWRII NO N/A N/A N/A N/A
http://023wg.com
6、查看功率信息
如果想了解设备的使用功率的详细情况，可以查看功率信息。当系统扩容时，可以先确认电源功率是否足够。
7、查看单板电压
当设备单板的电压异常时，用户可以执行以下命令查看单板电压的状态信息。
slot-id
8、查看温度信息
设备温度过高或过低可能会导致硬件的损坏。如果想了解设备的当前温度值，可以执行以下命令查看温度信息。
9、查看风扇状态
风扇的正常运转是保证设备正常工作的前提。设备散热不正常会引起设备温度升高，并可能损坏硬件。
slot Slot
verbose Fan verbose information
10、查看CPU占用率
CPU占用率是衡量设备性能的重要指标之一。在网络运行中，CPU占用率过高常常会导致业务异常，例如BGP震荡、VRRP频繁切换甚至设备无法登录。
执行以下命令，可以实时查看CPU占用率的统计信息和配置信息，以保证设备能够运行在稳定状态。
通过查看CPU占用率的配置信息，可以查看当前CPU占用率的监控告警过载阈值和监控告警恢复阈值。当CPU占用率上升到监控告警过载阈值时，系统触发监控过载告警。当CPU占用率下降到监控告警恢复阈值时，系统触发监控恢复告警。
CPU Usage Stat. Cycle: 60 (Second)
CPU Usage : 15% Max: 93%
CPU Usage Stat. Time : 2008-01-01 00:11:50
CPU utilization for five seconds: 15%: one minute: 15%: five minutes: 15%.
TaskName CPU Runtime(CPU Tick High/Tick Low) Task Explanation
BOX 0% 0/ 1d42314 BOX Output
_TIL 0% 0/ 0 Infinite loop event task
_EXC 0% 0/ 0 Exception Agent Task
VIDL 85% 1/2ffbd2fe DOPRA IDLE
TICK 0% 0/ 283c3ce
.........................................................................................
PPI 0% 0/ 1bf74e PPI Product Process Interface
IFPD 2% 0/ a53ca60 IFPD Ifnet Product Adapt
............................................................................................................
VT 0% 0/ 0 VT Virtual Transfer
OS 11% 0/2756ccff Operation System
slave Slave MPU
slot Specify the slot
The CPU usage monitor is turned on.
The current monitor cycle is 60 seconds.
The current monitor warning threshold is 95%.
The current monitor restore threshold is 80%.
11、查看内存占用率
内存占用率是衡量设备性能的重要指标之一。在网络运行中，内存占用率过高常常会导致业务异常。实时查看内存占用率信息，以确认设备是否运行稳定。
通过查看内存占用率门限值，可以查看监控告警触发条件。当内存占用率上升到门限值时，系统触发告警。当内存占用率低于门限值时，系统告警消除。
slave Slave MPU
slot Slot number
Memory utilization statistics at 2008-01-01 00:41:34 800 ms
System Total Memory Is: 75312648 bytes
Total Memory Used Is: 45037704 bytes
Memory Using Percentage Is: 59%
12、查看环境监控软件版本信息
13、查看接口信息
当用户在某一接口下完成一组配置之后，需要验证是否配置正确，可以查看当前接口下的配置信息。当用户在监控接口的状态或检查接口的故障原因时，可以查看接口的状态信息。
13.1、查看接口的配置信息
[Huawei-Ethernet0/0/2]display this
interface Ethernet0/0/2
port link-type access
port default vlan 12
return
[Huawei-Ethernet0/0/2]
13.2、查看接口的状态信息
Ethernet0/0/2 current state : DOWN
Line protocol current state : DOWN
Description:HUAWEI, Quidway Series, Ethernet0/0/2 Interface
Switch Port, PVID : 12, TPID : 8100(Hex), The Maximum Frame Length is 1600
IP Sending Frames' Format is PKTFMT_ETHNT_2, Hardware address is d4b1-10cf-057d
Port Mode: COMMON COPPER
Speed : 10, Loopback: NONE
Duplex: HALF, Negotiation: ENABLE
Mdi : AUTO
Last 300 seconds input rate 0 bits/sec, 0 packets/sec
Last 300 seconds output rate 0 bits/sec, 0 packets/sec
Input peak rate 0 bits/sec, Record time: -
Output peak rate 0 bits/sec, Record time: -
Input: 0 packets, 0 bytes
Unicast : 0, Multicast : 0
Broadcast : 0, Jumbo : 0
CRC : 0, Giants : 0
Jabbers : 0, Fragments : 0
Runts : 0, DropEvents : 0
Alignments : 0, Symbols : 0
Ignoreds : 0, Frames : 0
Discard : 0, Total Error : 0
Output: 0 packets, 0 bytes
Unicast : 0, Multicast : 0
Broadcast : 0, Jumbo : 0
Collisions : 0, Deferreds : 0
Late Collisions: 0, ExcessiveCollisions: 0
Buffers Purged : 0
Discard : 0, Total Error : 0
Input bandwidth utilization threshold : 100.00%
Output bandwidth utilization threshold: 100.00%
Input bandwidth utilization : 0.00%
Output bandwidth utilization : 0.00%
[Huawei-Ethernet0/0/2]display this interface
Ethernet0/0/2 current state : DOWN
Line protocol current state : DOWN
Description:HUAWEI, Quidway Series, Ethernet0/0/2 Interface
Switch Port, PVID : 12, TPID : 8100(Hex), The Maximum Frame Length is 1600
IP Sending Frames' Format is PKTFMT_ETHNT_2, Hardware address is d4b1-10cf-057d
Port Mode: COMMON COPPER
Speed : 10, Loopback: NONE
Duplex: HALF, Negotiation: ENABLE
Mdi : AUTO
Last 300 seconds input rate 0 bits/sec, 0 packets/sec
Last 300 seconds output rate 0 bits/sec, 0 packets/sec
Input peak rate 0 bits/sec, Record time: -
Output peak rate 0 bits/sec, Record time: -
Input: 0 packets, 0 bytes
Unicast : 0, Multicast : 0
Broadcast : 0, Jumbo : 0
CRC : 0, Giants : 0
Jabbers : 0, Fragments : 0
Runts : 0, DropEvents : 0
Alignments : 0, Symbols : 0
Ignoreds : 0, Frames : 0
Discard : 0, Total Error : 0
Output: 0 packets, 0 bytes
Unicast : 0, Multicast : 0
Broadcast : 0, Jumbo : 0
Collisions : 0, Deferreds : 0
Late Collisions: 0, ExcessiveCollisions: 0
Buffers Purged : 0
Discard : 0, Total Error : 0
Input bandwidth utilization threshold : 100.00%
Output bandwidth utilization threshold: 100.00%
Input bandwidth utilization : 0.00%
Output bandwidth utilization : 0.00%
[Huawei-Ethernet0/0/2]
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