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路由器基本知识及应用实例(DOC格式)-第14章

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noc2004@BJ…BB1…T640》show chassis alarms
No alarms currently active

3。4。6了解系统FPC运行情况(SHOW CHASSIS FPC)
SLOTSTATE:可能的状态有:EMPTY/ONLINE/OFFLINE/PRESENT/UNRESPONSIVE
当在设备上新插入一块FPC时;系统会显示PRESENT状态表明该硬件已备路由器检测到;可以通过命令(见下)或按压FPC按钮的方式使其ONLINE。
Request chassis fpc slot x online'offline';若反复使用该命令后发现其状态为UNRESPONSIVE;通过更换此FPC的槽位仍不奏效;则可初步认为该板已损坏。请联系集成商或厂商作确认和返修。
noc2004@BJ…BB1…T640》 show chassis fpc
                     Temp  CPU Utilization (%)   Memory    Utilization (%)
Slot State            (C)  Total  Interrupt      DRAM (MB) Heap     Buffer
  0  Empty              0      0          0         0         0          0
  1  Online            42      4          0        64         0         39
  2  Online            42      4          0        32         1         39
  3  Empty              0      0          0         0         0          0
  4  Empty              0      0          0         0         0          0
  5  Empty              0      0          0         0         0          0
  6  Online            47      4          0        32         2         39
  7  Empty              0      0          0         0         0          0


noc2004@BJ…BB1…T640》 show chassis fpc detail

Slot 0 information:
  State                               Online
  Temperature                      26 degrees C / 78 degrees F
  Total CPU DRAM                  256 MB
  Total SRAM                       56 MB
  Total SDRAM                    1280 MB
  Start time                          1999…01…01 00:06:15 UTC
  Uptime                              5 days; 22 hours; 54 minutes; 45 seconds
Slot 1 information:
  State                               Online
  Temperature                      24 degrees C / 75 degrees F
  Total CPU DRAM                  256 MB
  Total SRAM                       28 MB
  Total SDRAM                     640 MB
  Start time                          1999…01…01 00:06:15 UTC
  Uptime                              5 days; 22 hours; 54 minutes; 45 seconds


3。4。7路由引擎状态检测(SHOW CHASSIS ROUTING…ENGINE)
该命令提供系统管理员路由模块的工作状态/利用率:默认状态是SLOT0为主用;SLOT1为备用;可以通过以下命令将备用模块切换到主用状态:
REQUEST SYSTEM ROUTING…ENGINE MASTER
NOTE:应用该命令可直接导致转发数据中断一段时间(路由器重新确认主备关系的时间+路由协议重新收敛时间)
可以通过连接路由模块的仿真终端获得更多的诊断信息。在多数RE的返修案例中;很多是由于路由模块无法正常启动所至(内部FLASH或HARDDISK)损坏。
如何改变路由模块的启动顺序:可以通过仿真终端在路由模块启动时刻改变其启动顺序(默认为:外部FLASH……》内部FLASH……》内部HARDDISK)。当启动至BOOT:时可键入0:wd(1;a)kernel这样路由模块可从内部HARDDISK启动。

noc2004@BJ…BB1…T640》 show chassis routing…engine
Routing Engine status:
  Slot 0:
    Current state                  Master
    Election priority              Master
    Temperature                 34 degrees C / 93 degrees F
    DRAM                      2048 MB
    Memory utilization          11 percent
    CPU utilization:
      User                       1 percent
      Background                 0 percent
      Kernel                     5 percent
      Interrupt                  0 percent
      Idle                      94 percent
    Model                          RE…3。0
    Serial ID                      P10865704208
    Start time                     1999…01…01 00:04:43 UTC
    Uptime                        5 days; 22 hours; 56 minutes; 17 seconds
    Load averages:                 1 minute   5 minute  15 minute
                                       0。00       0。03       0。01
Routing Engine status:
  Slot 1:
    Current state                  Backup
    Election priority              Backup
    Temperature                 34 degrees C / 93 degrees F
    DRAM                      2048 MB
    Memory utilization          10 percent
    CPU utilization:
      User                       0 percent
      Background                 0 percent
      Kernel                     0 percent
      Interrupt                  0 percent
      Idle                     100 percent
    Model                          RE…3。0
    Serial ID                      P10865704235
    Start time                     1999…01…01 00:04:38 UTC
Uptime                        5 days; 22 hours; 56 minutes; 44 seconds

3。4。8流量检测(MONITER INTERFACE)
noc2004@BJ…BB1…T640》 monitor interface ge…6/2/0
BJ…BB1…T640                      Seconds: 6                   Time: 15:06:27
Interface: ge…6/2/0; Enabled; Link is Up
Encapsulation: Ethernet; Speed: 1000mbps
Traffic statistics:                                           Current Delta
  Input bytes:             26065704859449 (171539808 bps)       '133893956'
  Output bytes:            19680315293139 (122794288 bps)        '95029764'
  Input packets:              59446094571 (41530 pps)              '258510'
  Output packets:             83154619939 (55791 pps)              '342680'
Error statistics:
  Input errors:                   5748203                              '32'
  Input drops:                          0                               '0'
  Input framing errors:          18497234                             '140'
  Policed discards:                 19426                               '0'
  L3 inpletes:                       4                               '0'
  L2 channel errors:                    0                               '0'
  Packet error count                    0                               '0'
Next='n'; Quit='q' or ESC; Freeze='f'; Thaw='t'; Clear='c'; Interface='I

MONITER  INTERFACE TRAFFIC 
noc2004@BJ…BB1…T640》 monitor interface traffic
Interface      Input packets          (pps)     Output packets          (pps)
 so…1/1/0        44965075403        (37032)        42886893851        (34090)
 so…1/2/0        32871638564        (30466)        32646361968        (31110)
 so…2/0/0         8071848119         (6241)         7306889201         (6108)
 so…2/2/0            5644860            (1)        17907151865        (20310)
 so…5/0/0                  0            (0)                  0            (0)
 so…5/1/0       259546630420       (222506)       310661965027       (248599)
 so…5/2/0                  0            (0)                  0            (0)
 so…6/0/0                  0            (0)                  0            (0)
 so…6/0/1                  0            (0)                  0            (0)
 so…6/0/2                  0            (0)                  0            (0)
 so…6/0/3                  0            (0)                  0            (0)
 at…6/1/0       122988071027        (96408)        95565229614        (81861)
 ge…6/2/0        59442902638        (42859)        83150387428        (55533)
 ge…6/3/0        43416254852        (30289)            1934183            (4)
 fxp0                      0                                 0
 fxp1               91110643                          79525906
 fxp2               13632685                           2146543
 gre                       0                                 0
Bytes=b; Clear=c; Delta=d; Packets=p; Quit=q or ESC; Rate=r; Up=^U; Down=^D

前者用于实时观察某一个指定物理端口(4。4版本可以对逻辑端口进行观察)的数据流(如OUTPUT BYTES/INPUT BYTES等)后者用于实时观察设备中所有端口流量(简化输出)

3。4。9系统日志
通过配置;系统在MESSAGE和CHASSISD默认文件中分别记录系统软件/硬件上发生的事件;通过观察此文档中的错误或告警信息;可以判断故障点。
SHOW LOG MESSAGE 
noc2004@BJ…BB1…T640》 show log messages
Jul  3 08:00:00 BJ…BB1…T640 newsyslog'7608': logfile turned over
Jul  3 13:35:43 BJ…BB1…T640 inetd'314': /usr/libexec/telnetd'7619': exit status
 0x100
Jul  3 13:35:57 BJ…BB1…T640 inetd'314': /usr/libexec/telnetd'7620': exit status
 0x100
Jul  3 22:48:49 BJ…BB1…T640 chassisd'305': CHASSISD_BLOWERS_SPEED: blowers now
running at normal speed
Jul  3 22:49:10 BJ…BB1…T640 chassisd'305': CHASSISD_BLOWERS_SPEED: blowers bein
g set to full speed 'system warm'
Jul  3 23:54:37 BJ…BB1…T640 chassisd'305': CHASSISD_BLOWERS_SPEED: blowers now
running at normal speed
Jul  3 23:54:57 BJ…BB1…T640 chassisd'305': CHASSISD_BLOWERS_SPEED: blowers bein
g set to full
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