show version
show system alarms
show system storage
show system uptime
show chassis alarms
show chassis craft-interface
show chassis environment
show chassis hardware
show chassis fpc pic-status
show chassis routing-engine
show interface terse
show interface "interface"
show interface extensive "interface"
show ppp interface pp0 extensive
clear interfaces statistics all
monitor interface traffic
monitor traffic interface "interface"
show arp
show route
show route forwarding-table
show configuration | display set | no-more
show system license
show log chassisd
show log jsrpd

show log messages | no-more
request support information | no-more

Log commands
show log chassids | no-more To check log for chassi event
show log messages | no-more To check log messanges
show log security | match so-2/0/0 To check user "xxxx" commands
show log isis To check a status of isis with alarms
show log bgp.ibgp To check a bgp related event
show log user To check user's login history

System commands
show system uptime To check time since system and processes started
show system users To check users who are currently logged in
show cli authorization To see authorization and authentication information
show system storage To see local storage data
show system processes To check system process table
show chassis hardware To check installed hardware components
show chassis environment To check component status and temperature, cooling system speeds
show chassis routing-engine To check routing engine status
show chassis craft-interface To see craft interface status
show chassis fpc To show flexible PCI concentrator status
show chassis scb To check system control board status
show chassis alarms To see alarm status



Interface commands
show configuration To check current configuration
show interface terse / detai To display terse output
show interface interface-name To check status of interface
show interface so-1/0/0 extensive To check details of the interface
clear interfaces statistics so-2/0/0 To clear counters on interface

Routing commands
show ip route x.x.x.x/24 To check route on routing table
show route terse To display terse output of routes
show route detail To display detailed output
show route 216.142.248.0 extensive



BGP commands
show bgp summary To see overview of BGP information
show bgp group To check the BGP group database
show bgp neighbor x.x.x.x To check a status bgp neighbors
show route receive-protocol bgp 'x.x.x.x' To check what routes are advertising thru peer
show route protocol bgp x.x.x.x/24 To check a route on bgp routing table
show route protocol bgp receive-protocol bgp neighIP To see what routes are receiving
show policy static-bgp
clear bgp neighbor x.x.x.x To clear particular BGP neighbor from BGP table
clear bgp neighbor as To clear AS from BGP table



ISIS commands
show isis adjacency To IS-IS adjacency database
show isis interface To IS-IS interface information
show isis database To IS-IS link-state database



MPLS commands
show mpls lsp terse To display terse output
show mpls lsp name DCA-POR detail



Security & Policy commands
show firewall | match "ICMP" To check current status of filter named "ICMP"
show policy static-bgp or 'policy name' To check policy statement
clear firewall ICMP To clear counters on firewall named "ICMP"



Ping & Traceroute
ping rapid count 1000 size 1400 x.x.x.x
ping rapid count 1000 size 1400 pattern 0000 198.6.1.1
ping x.x.x.x bypass-routing interface so-1/0/2 count 1000 size 1400 rapid