第四课：运行监控和维护.pdf

JUNOS系统运行监控和维护 ?2011 Juniper Networks, Inc. All rights reserved. | Monitoring Tools ? Primary monitoring tool is the Junos CLI, which includes operational show and monitor commands ?Secondary monitoring tools include J-Web, SNMP, hardware LEDs, and front-panel displays or LCDs Junos CLI SNMP LEDs J-Web LCDs ?2011 Juniper Networks, Inc. All rights reserved. | 2 Monitoring System-Level Operation ? Use show system commands to monitor systemlevel operations: user@router show system ? Possible completions: alarms Show system alarm status audit Show file system MD5 hash and permissions autoinstallation Show autoinstallation information boot-messages Show boot time messages buffers Show buffer statistics certificate Show installed X509 certificates commit Show pending commit requests (if any) and commit history configuration Show configuration information connections Show system connection activity core-dumps Show system core files directory-usage Show local directory information firmware Show all firmware version information license Show feature licenses information processes Show system process table queues Show queue statistics ... ?2011 Juniper Networks, Inc. All rights reserved. | 3 Monitoring the Chassis ? Use show chassis commands to monitor the chassis and obtain chassis information: user@router show chassis ? Possible completions: alarms Show alarm status cluster Show chassis cluster information environment Show component status and temperature, cooling ... fan Show fan and fan tray information firmware Show firmware and operating system version for components forwarding Show forwarding process (fwdd) status fpc Show Flexible PIC Concentrator status hardware Show installed hardware components location Show physical location of chassis mac-addresses Show media access control addresses pic Show Physical Interface Card state, type, and uptime routing-engine Show Routing Engine status temperature-thresholds Show chassis temperature threshold settings ?2011 Juniper