【文章內(nèi)容簡介】 0 17: 018: 0 19: 0 20: 0 21: 0 22: 0 23: 024: 0 25: 0 26: 0 27: 0 28: 0 29: 030: 0 31: 0 32: 0 33: 0 34: 0 35: 036: 0 37: 0 38: 0 39: 0 40: 0 41: 042: 0 43: 0 44: 0 45: 0 46: 0 47: 048: 0 49: 0 50: 0 51: 0 52: 0 53: 054: 0 55: 0 56: 0 57: 0 58: 0 59: 0{primary:node0} 查看內(nèi)存使用率（1）ScreenOSScreenOS平臺的內(nèi)存使用率一般不會變化。在CLI下命令為：get memory示例：JP1000A get memoryMemory: allocated 536091296, left 238802224, frag 68, fail 0（2）JunOS當(dāng)SPU內(nèi)存使用率達(dá)到70%就要引起關(guān)注，可能網(wǎng)絡(luò)或設(shè)備有異常。在CLI 操作模式下查看SRX Branch防火墻的spc內(nèi)存使用率命令為：show security monitoring fpc 0示例：syro@JP650A show security monitoring fpc 0 FPC 0 PIC 0 CPU utilization : 0 % Memory utilization : 67 % Current flow session : 16Max flow session : 524288SRX Hignend防火墻為分布式架構(gòu)，需要根據(jù)SPC卡的槽位來確定查看命令。例如SRX3600配備2塊SPC，插在7槽 和 8槽中，需要分別查看其SPU內(nèi)存使用率。另，SRX3600的雙機(jī)采用虛擬機(jī)箱技術(shù)，node0為主墻、node1為備墻。在CLI 操作模式下查看SRX3600防火墻的SPU內(nèi)存使用率命令為：show security monitoring fpc 7 和 show security monitoring fpc 8示例：syro@JP3600A show security monitoring fpc 7 node0:FPC 7 PIC 0 CPU utilization : 2 % Memory utilization : 64 % Current flow session : 5265 Max flow session : 524288 Current CP session : 16401 Max CP session : 2359296node1:FPC 7 PIC 0 CPU utilization : 0 % Memory utilization : 64 % Current flow session : 5582 Max flow session : 524288 Current CP session : 17131 Max CP session : 2359296{primary:node0}syro@JP3600A show security monitoring fpc 8 node0:FPC 8 PIC 0 CPU utilization : 3 % Memory utilization : 66 % Current flow session : 10977 Max flow session : 1048576 Current CP session : 0 Max CP session : 0node1:FPC 8 PIC 0 CPU utilization : 0 % Memory utilization : 66 % Current flow session : 11382 Max flow session : 1048576 Current CP session : 0 Max CP session : 0 SRX RE CPU使用率/內(nèi)存使用率信息（僅JunOS適用）SRX系列防火墻RE的CPU主要做管理設(shè)備用，其CPU波動會比較大，出現(xiàn)瞬時100%也是正常的。當(dāng)RE的CPU使用率長時間都在45%以上時，引起關(guān)注；當(dāng)RE的內(nèi)存使用率長時間都在60%以上時，注意查看當(dāng)前的RE運行負(fù)載。在CLI 操作模式下命令為：show chassis routingengine示例：syro@JP650A show chassis routingengine Routing Engine status: Temperature 31 degrees C / 87 degrees F CPU temperature 31 degrees C / 87 degrees F Total memory 2048 MB Max 1065 MB used ( 52 percent) Control plane memory 1104 MB Max 442 MB used ( 40 percent) Data plane memory 944 MB Max 632 MB used ( 67 percent) CPU utilization: User 6 percent Background 0 percent Kernel 1 percent Interrupt 0 percent Idle 93 percent Model RESRXSMESRE6 Serial ID AAAW4729 Start time 20120712 17:54:51 CST Uptime 177 days, 15 hours, 50 minutes, 35 seconds Last reboot reason 0x200:chassis control reset Load averages: 1 minute 5 minute 15 minute syro@JP3600A show chassis routingengine node0:Routing Engine status: Slot 0: Current state Master Election priority Master (default) DRAM 1023 MB Memory utilization 39 percent CPU utilization: User 0 percent Background 0 percent Kernel 5 percent Interrupt 0 percent Idle 94 percent Model REPPC1200A Start time 20120713 10:06:41 CST Uptime 176 days, 23 hours, 40 minutes, 35 seconds Last reboot reason 0x1:power cycle/failure Load averages: 1 minute 5 minute 15 minute node1:Routing Engine status: Slot 0: Current state Master Election priority Master (default) DRAM 1023 MB Memory utilization 34 percent CPU utilization: User 0 percent Background 0 percent Kernel 5 percent Interrupt 0 percent Idle 95 percent Model REPPC1200A Start time 20120716 14:39:07 CST Uptime 173 days, 19 hours, 6 minutes, 11 seconds Last reboot reason Router rebooted after a normal shutdown. Load averages: 1 minute 5 minute 15 minute  查看Session會話信息 查看會話總數(shù)（1）ScreenOS當(dāng)前會話總數(shù)達(dá)到平時峰值的2倍 或 設(shè)備最大會話數(shù)的70%，需要關(guān)注、報警。在CLI下命令為：get session info示例：JP1000A get session infoalloc 730/max 524288, alloc failed 0, mcast alloc 0, di alloc failed 0total reserved 0, free sessions in shared pool 523558slot 2: hw0 alloc 730/max 524287（2）JunOS當(dāng)前會話總數(shù)達(dá)到平時峰值的2倍 或 設(shè)備最大會話數(shù)的70%，需要關(guān)注、報警。在CLI 操作模式下命令為：