Cisco IOS Basic System Management Command Reference

Absolute:to specify an absolute time to a time-range (in Time-range configuration mode)

No absolute

Buffer-length:to Specify the maximum length of the data stream to is forwarded (in line configuration mode)

No buffer-length

Buffers:to make adjustments to initial public buffer pool settings and to the limits at Whih Temporarybuffers is create D and destroyed (in global configuration mode)

No buffers

Buffers huge size:to dyn amically Resie all huge buffers to the value of you specify (in global configuration mode)

No buffers huge size

Buffers tune automatic:to Enable automatic tuning of buffers (in global configuration mode)

No buffers tune automatic

Calendar Set:to Manually set the hardware clock (in EXEC mode)

Clear platform hardware capacity Rewrite-engine counter:to clear the Packet drop and performance counters of the Central Rewrite engine on supervisirs and line cards (in privileged EXEC mode)

Clock calendar-valid:to Configure a system as a authoritatve time source for a network based on its hardware clock (cale Ndar) (in global configuration mode)

No clock Calendar-valid

Clock read-calendat:to Manually read the hardware clock (calendar) settings into the software clock (in EXEC mode)

Clock Save Interval:to Preserve recent date and time information in NVRAM for when a Cisco IOS device without a battery- Backed Calendat is power-cycled or reloaded (in global configuration mode)

No clock save interval

Clock set:to manuallyset the system software clock (in privileged EXEC mode)

Clock summer-tmie:to Configure the system to automatically switch to summer time (daylight saving Time) (in global config Uration mode)

No clock Summer-time

Clock timezone:to Set the time zone for display purpose (in global configuration mode)

No clock timezone

Clock update-calendar:to perform a one-time updat of the hardware clock (calendar) from the software clock (in user EXEC or privileged EXEC mode)

Exception core-file:to Specify the name of the core dump file in Cisco IOS or Cisco IOS software odularity software (in Global configuration mode)

No exception Core-file

Exception Crashinfo buffrsize:to Change the size of the buffer used for crashinfo files (in global configuration mode)

No exception crashinfo buffersize

Exception Crashinfo Dump:to Specify the type of output information to is written to the Crashinfo file (in global config Uration mode)

No exception Crashinfo Dump

Excpetion Crashinfo file:to Enable the creation of diagnostic file at the time of unexpected system shutdowns (in global Configuration mode)

No exception Crashinfo file

Exception Crashinfo maximum files:to enable a Cisco device to automatically delete old crashinfo files to help create SP Ace for writing the new crashinfo files if a system crashes (in global configuration mode)

No exception crashinfo maximum files

Exception data-corruption:to Manage data error excpetion (in global configuration mode)

No exception data-corruption

Exception delay-dump:to Pause or delay the dump of data error exception to the host (in Global configuration mode)

No exception Delay-dump

Exception dump:to Configure the router to dump a core file to a Prticulat server when the router crashes (in global conf Iguration mode)

No exception dump

Exception linecard:to enable storing of crash information for a line card and optionally specify the type and amount of Information stored (in global configuration mode)

No exception Linecard

Exception memory:to set free memory and memory block size threshold parameters (in global configuration mode)

No exception memory

Exception Memory Ignore overflow:to Configure the Cisco IOS software to correct corruption in memory block headers and a Llow a router to continue it normal operation (in global configuration mode)

No exception memory Ignore overflow

Exception protocol:to Configure the protocol used for core dumps (in global configuration mode)

No exception protocol

Exception region-size:to Specify the size of the region for the Exception-time Memor pool (in global configuration mode)

No exception region-size

Exception spurious-interrupt:to Configure the router to create a core dump and reload after a specified number of Spurio US interrupts (in global configuration mode)

No exception Spurious-interrupt

Monitor Event-trace cpu-report:to Monitor the event tracing of the CPU reports (in user EXEC or privileged exec mode)

Monitor Event-trace cpu-report:to Monitor the collection of CPU report traces (in global onfiguration mode)

NTP access-group:to control access to Network time Protocol (NTP) services on the system (in global configuration mode)

No NTP access-group

NTP allow mode private:to allow the processing of private mode Network time Protocol (NTP) packets (in global Cofigurati On mode)

No NTP allow mode private

NTP authenticate:to enable Network time Protocol (NTP) authentication (in global configuration mode)

No NTP Authenticate

NTP authentication-key:to define an authentiation key for Network time Protocol (NTP) (in global configuration mode)

No NEP Authentication-key

NTP broadcast:to Configure the options for broadcasting Network time Protocol (NTP) traffic (in interface configuration M Ode

No NTP broadcast

NTP broadcast client:to Configure a device to receive Network time Protocol (NTP) broadcast messages on a specified inter Face (in interface configuration mode)

No NTP broadcast client

NTP broadcastedlay:to set the estimated round-trip delay between the Cisco IOS software and a Network time Protocol (NTP) Broadcast server (in global configuration mode)

No NTP

NTP clear drift:to Reset the drift value stored in the persistent data file (in privileged EXEC mode)

NTP clock-period

No NTP clock-period

NTP disable:to prevent an interface from receiving Network time Protocol (NTP) packets (in interface configuration mode)

No NTP disable

NTP logging:to enable Networking time Protocol (NTP) message logging (in global configuration mode)

No NTP

NTP master:to Configure the Cisco IOS software as a netwrok time Protocol (NTP) master clock to which peers Synchronie T Hemselves when an external NTP souce are not available (in global configuration mode)

No NTP

NTP max-associations:to Configure the maximum number of Network time Protocol (NTP) peers and clients for a routing Devi CE (in global configuration mode)

No NTP

NTP maxdistance:to Configure a maximum distance threshold value to govern the number of packets required for Synchroniza tion of peers in nnetwork time Protocol version 4 (NTPV4) (in global configuration mode)

No NTP

NTP multicast:to Configure a system to send Netwrok time Protocol (NTP) multicast packets on a specified interface (in I Nterface configuration mode)

No NEP multicast

NTP Multicast client:to Configure the system to receive Network time Protocol (NTP) multicast packets on a specified int Erface (in interface configuration mode)

No NTP multicast client

NTP orphan:to enable a group of Network time Protocol (NTP) evices to select one among them to be the simulated Coordina Ted Universal Time (UTC0 source if all real-time clock sources become inaccessible (in global configuration mode)

No NTP orphan

NTP Panic update:to Configure Network time Protocol (NTP) to reect time updates greater then the panic threshold of 1000 Seconds (in global configuration mode)

No NTP panic update

NTP passive:to Configure passive Network time Protocol (NTP) associations (in global configuration mode)

No NTP

NTP peer:to Configure a router to allow it software clock to being synchronized with the software clock of a Network time Protocol (NTP) peer or to allow the software clock of a NTP peer to being synchronized with the software clock of the router (in global configuration mode)

No NTP peer

NTP refclock:to Configure an external clock source for use with Network time Protocol (NTP) services (in line Configurat Ion mode)

No NEP Refclock

NTP server:to Configure a router to allow it software clock to being synchronized with the software clock of a Network Tim E Protocol (NTP) time server (in global configuration mode)

No NTP server

NTP source:to use a particular source address in Network time Protocol (NTP) packets (in global configuration mode)

No NTP

NTP trusted-key:to authenticate the identity of a system to which Network time Protocl (NTP) would synchronize (in global Configuration mode)

No NTP Trusted-key

NTP update-caledar:to periodically update the hardware clock (calendar) from a Network time Protocol (NTP) time Source (i N Global configuration mode)

No NTP Update-caendar

Show buffers leak:to Display the details of all the buffers, ate older than one minute in the system (in User EXEC O R Privileged EXEC mode)

Show buffers tune:to display the details of automatic tuning of buffers (in user EXEC or privileged exec mode)

Show buffers usage:to Display the details of the buffer usage pattern in a specified buffer pool (in user EXEC or Privil eged EXEC mode)

Show Calendar:to display the current time and date setting for the hardware clock (in EXEC mode)

Show clock:to display the time and date from the system software clock (in user exec or privileged exec mode)

Show NTP associations:to display the status of Ntwrok time Protocol (NTP) associations (in user EXEC or privileged exec Mode

Show NTP info:to display static information about Network time Protocol (NTP) entities (in user exec or privileged exec m Ode

Show NTP packets:to display information about Network time Protocol (NTP) packets (in user exec or privileged exec mode)

Show NTP status:to display the status of the Network time Protocol (NTP) (in user exec or privileged exec mode)

Show Sntp:to Show information about the simple Network time Protocol (SNTP) (in EXEC mode)

Show time-range:to display information about configured time ranges (in user EXEC or privileged exec mode)

SNTP broadcast client:to Use the simple Network Tme protocol9sntp) to acept network time Protocol (NTP) traffic from any Broadcast server (in global onfiguration mode to configure a Cisco router

No SNTP broadcast Client

SNTP logging:to Enable simple Network time Protocol 9SNTP) message logging (in global configuration mode)

No SNTP logging

SNTP server:to Configure a Cisco router to use the simple Network time Protocol (SNTP) to request and accept Network time Protocol (NTP) traffic from a Stratun 1 time server (in Global configurationn mode)

No SNTP server

SNTP source-interface:to Use a particular source address in simple Network time Protocol (SNTP) packets (in global confi Guration mode)

No SNTP source-interface

Time-period:to set the time increment for automatically saving a archive file of the current running configuration in T He Cisco Configuration archive (in Archive configuration mode)

No Time-period

Time-range:to Enable Time-range configuration mode and define time ranges for functions (such as extended access lists) (in Globa configuration or Webvpn context configuration mode)

No Time-range

Cisco IOS Basic System Management Command Reference