Bottom Tray Fan 8 OK 3790 Spinning at normal speed Bottom Tray Fan 9 OK 3769 Spinning at normal speed Bottom Tray Fan 10 OK 3769 Spinning at normal speed Bottom Tray Fan 11 OK 3769 Spinning at normal speed Bottom Tray Fan 12 OK 3790 Spinning at normal speed
【说明】
本命令可以检查机箱上、下两组风扇托盘（每组12个风扇）的工作状态是否正常，风扇可以根据温度情况，自动调整转速，以促进通风降温。
10. 查看PIC卡状态
user@MX960> show chassis fpc pic-status
Slot 0 Online MPC Type 2 3D PIC 0 Online 10x 1GE(LAN) SFP PIC 1 Online 10x 1GE(LAN) SFP PIC 2 Online 2x 10GE XFP PIC 3 Online 2x 10GE XFP Slot 1 Online MPC Type 2 3D PIC 0 Online 10x 1GE(LAN) SFP PIC 1 Online 10x 1GE(LAN) SFP PIC 2 Online 2x 10GE XFP PIC 3 Online 2x 10GE XFP 【说明】
本命令可以检查物理接口卡PIC的在线状态。PIC 0和PIC 1同属一张20端口GE MIC卡，PIC 2和PIC 3同属一张4端口10GE MIC卡。
11. 查看机箱指示灯状态
user@MX960> show chassis craft-interface
Front Panel System LEDs: Routing Engine 0 1 --------------------------
OK * * Fail . . Master * .
Front Panel Alarm Indicators: ----------------------------- Red LED . Yellow LED . Major relay . Minor relay .
Front Panel FPC LEDs:
FPC 0 1 2 3 4 5 6 7 8 9 10 11 ------------------------------------------------------
Red . . . . . . . . . . . . Green * * . . . . . . . . . .
CB LEDs:
CB 0 1 2
---------------- Amber . . . Green * * *
PS LEDs:
PS 0 1 2 3 --------------------
Red . . . . Green * * * *
Fan Tray LEDs: FT 0 1 ------------ Red . . Green * * 【说明】
本命令可以远程查看机箱状态指示灯的工作情况，“*”标识该指示灯亮。
12. 查看PFE状态
user@MX960> show pfe statistics error
Slot 0
HSL2 Errors: ------------
***** No errors on this PFE *****
Slot 1
HSL2 Errors: ------------
***** No errors on this PFE *****
【说明】
本命令可以检查包转发引擎PFE与交换矩阵之间通信错误计数器状态。HSL是PFE与Fabric之间内部高速互联链路。
13. 查看PFE报文转发状态
user@MX960>show pfe statistics traffic fpc 0
Packet Forwarding Engine traffic statistics:
Input packets: 229817436878 48781 pps Output packets: 215271351596 54244 pps Packet Forwarding Engine local traffic statistics: Local packets input : 342628638 Local packets output : 348251187 Software input control plane drops : 0 Software input high drops : 0 Software input medium drops : 0 Software input low drops : 0 Software output drops : 0 Hardware input drops : 0 Packet Forwarding Engine local protocol statistics:
HDLC keepalives : 0 ATM OAM : 0 Frame Relay LMI : 0 PPP LCP/NCP : 0 OSPF hello : 7467689 OSPF3 hello : 850082 RSVP hello : 0 LDP hello : 0 BFD : 0 IS-IS IIH : 0 LACP : 0 ARP : 291726 ETHER OAM : 0 Unknown : 12162 Packet Forwarding Engine hardware discard statistics:
Timeout : 0 Truncated key : 0 Bits to test : 0 Data error : 0 Stack underflow : 0 Stack overflow : 0 Normal discard : 90969866 Extended discard : 0 Invalid interface : 0 Info cell drops : 0 Fabric drops : 0
Packet Forwarding Engine Input IPv4 Header Checksum Error and Output MTU Error statistics:
Input Checksum : 0 Output MTU : 14 【说明】
本命令可以检查包转发引擎PFE对报文的转发状态。输出信息的详细解释详见：
http://www.juniper.net/techpubs/en_US/junos10.4/topics/reference/command-summary/show-pfe-statistics-traffic.html?searchid=1353662655735 14. 查看设备的存储系统状态
user@MX960> show system storage
Filesystem Size Used Avail Capacity Mounted on /dev/ad0s1a 3.3G 264M 2.8G 8% / devfs 1.0K 1.0K 0B 100% /dev
/dev/md0 40M 40M 0B 100% /packages/mnt/jbase
/dev/md1 20M 20M 0B 100% /packages/mnt/jkernel64-11.4X27.28
/dev/md2 61M 61M 0B 100% /packages/mnt/jpfe-X960-11.4X27.28
/dev/md3 5.0M 5.0M 0B 100% /packages/mnt/jdocs-11.4X27.28
/dev/md4 78M 78M 0B 100% /packages/mnt/jroute-11.4X27.28
/dev/md5 45M 45M 0B 100% /packages/mnt/jpfe-common-11.4X27.28
/dev/md6 387M 387M 0B 100% /packages/mnt/jruntime-11.4X27.28
/dev/md7 7.9G 14K 7.2G 0% /tmp /dev/md8 7.9G 20M 7.2G 0% /mfs /dev/ad0s1e 377M 70K 347M 0% /config procfs 4.0K 4.0K 0B 100% /proc /dev/ad1s1f 18G 1.2G 15G 7% /var 【说明】
本命令可以检查设备的内置flash和硬盘的使用情况，其中ad0是flash卡，ad1是硬盘。
15. 查看电源模块状态
user@MX960> show chassis power
PEM 0:
State: Online
AC input: OK (2 feed expected, 2 feed connected) Capacity: 4100 W (maximum 4100 W)
DC output: 114 W (zone 0, 2 A at 57 V, 2% of capacity)
PEM 1:
State: Online
AC input: OK (2 feed expected, 2 feed connected) Capacity: 4100 W (maximum 4100 W)
DC output: 342 W (zone 1, 6 A at 57 V, 8% of capacity)
PEM 2:
State: Online
AC input: OK (2 feed expected, 2 feed connected) Capacity: 4100 W (maximum 4100 W)
DC output: 171 W (zone 0, 3 A at 57 V, 4% of capacity)
PEM 3:
State: Online
AC input: OK (2 feed expected, 2 feed connected) Capacity: 4100 W (maximum 4100 W)
DC output: 285 W (zone 1, 5 A at 57 V, 6% of capacity)
System: Zone 0:
Capacity: 4100 W (maximum 4100 W) Allocated power: 710 W (3390 W remaining) Actual usage: 285 W Zone 1:
Capacity: 4100 W (maximum 4100 W) Allocated power: 1256 W (2844 W remaining) Actual usage: 627 W
Total system capacity: 8200 W (maximum 8200 W) Total remaining power: 6234 W
【说明】
本命令可以检查电源模块的功率，当前供电情况。在高性能供电电源配置下，MX960采用分区供电的模式。从机箱后侧从左至右，PEM 0和PEM 2位于一个供电区域，为底部风扇、机箱第6至11槽位、SCB的第1、2槽位供电；PEM 1和PEM 3位于一个供电区域，为顶部风扇、机箱第0至5槽位、SCB的第0槽位供电。 采用高性能供电电源配置，每个供电区域至少需要1个电源模块；而普通性能供电电源配置，则至少需要3个（不分区）。
16. 查看软件版本信息
user@MX960> show version
Hostname: re0-SNNU-CA-CORE-2 Model: mx960
JUNOS Base OS boot [11.4X27.35]
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