You can use show commands to check the status of the device and monitor the activities on the device.
To help you become familiar with show commands:
root@> show ?
Possible completions: accounting Show accounting profiles and records aps Show Automatic Protection Switching information arp Show system Address Resolution Protocol table entries as-path Show table of known autonomous system paths bfd Show Bidirectional Forwarding Detection information bgp Show Border Gateway Protocol information chassis Show chassis information class-of-service Show class-of-service (CoS) information cli Show command-line interface settings configuration Show current configuration connections Show circuit cross-connect connections dvmrp Show Distance Vector Multicast Routing Protocol info dynamic-tunnels Show dynamic tunnel information information esis Show end system-to-intermediate system information firewall Show firewall information helper Show port-forwarding helper information host Show hostname information from domain name server igmp Show Internet Group Management Protocol information ike Show Internet Key Exchange information ilmi Show interim local management interface information interfaces Show interface information ipsec Show IP Security information ipv6 Show IP version 6 information isis Show Intermediate System-to-Intermediate System info l2circuit Show Layer 2 circuit information l2vpn Show Layer 2 VPN information lacp Show Link Aggregation Control Protocol information ldp Show Label Distribution Protocol information link-management Show link management information llc2 Show LLC2 protocol related information log Show contents of log file mld Show multicast listener discovery information mpls Show Multiprotocol Label Switching information msdp Show Multicast Source Discovery Protocol information multicast Show multicast information ntp Show Network Time Protocol information ospf Show Open Shortest Path First information ospf3 Show Open Shortest Path First version 3 information passive-monitoring Show information about passive monitoring pfe Show Packet Forwarding Engine information pgm Show Pragmatic Generalized Multicast information pim Show Protocol Independent Multicast information policer Show interface policer counters and information policy Show policy information ppp Show PPP process information rip Show Routing Information Protocol information ripng Show Routing Information Protocol for IPv6 info route Show routing table information rsvp Show Resource Reservation Protocol information sap Show Session Announcement Protocol information security Show security information services Show services information snmp Show Simple Network Management Protocol information system Show system information task Show routing protocol per-task information ted Show Traffic Engineering Database information version Show software process revision levels vpls Show VPLS information vrrp Show Virtual Router Redundancy Protocol information
root@> show chassis routing-engine
Routing Engine status: Slot 0: Current state Master Election priority Master (default) Temperature 31 degrees C / 87 degrees F CPU temperature 32 degrees C / 89 degrees F DRAM 768 MB Memory utilization 84 percent CPU utilization: User 0 percent Background 0 percent Kernel 1 percent Interrupt 0 percent Idle 99 percent Model RE-2.0 Serial ID b10000078c10d701 Start time 2005-12-28 13:52:00 PST Uptime 12 days, 3 hours, 44 minutes, 19 seconds Load averages: 1 minute 5 minute 15 minute 0.02 0.01 0.00
root@> show system storage
Filesystem Size Used Avail Capacity Mounted on /dev/ad0s1a 865M 127M 669M 16% / devfs 1.0K 1.0K 0B 100% /dev devfs 1.0K 1.0K 0B 100% /dev/ /dev/md0 30M 30M 0B 100% /packages/mnt/jbase /dev/md1 158M 158M 0B 100% /packages/mnt/jkernel-9.3B1.5 /dev/md2 16M 16M 0B 100% /packages/mnt/jpfe-M7i-9.3B1.5 /dev/md3 3.8M 3.8M 0B 100% /packages/mnt/jdocs-9.3B1.5 /dev/md4 44M 44M 0B 100% /packages/mnt/jroute-9.3B1.5 /dev/md5 12M 12M 0B 100% /packages/mnt/jcrypto-9.3B1.5 /dev/md6 25M 25M 0B 100% /packages/mnt/jpfe-common-9.3B1.5 /dev/md7 1.5G 196K 1.4G 0% /tmp /dev/md8 1.5G 910K 1.4G 0% /mfs /dev/ad0s1e 96M 38K 88M 0% /config procfs 4.0K 4.0K 0B 100% /proc /dev/ad1s1f 17G 2.6G 13G 17% /var