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System Resource Management
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General Information

Summary

MikroTik RouterOS offers several features for monitoring and managing the system resources.

Specifications

Packages required: system
License required: Level1
Submenu level: /system
Standards and Technologies: None
Hardware usage: Not significant

System Resource

Submenu level: /system resource

Notes

In monitor command priotout the values for cpu usage and free memory are in percentage and kilobytes, respectively.

Example

To view the basic system resource status:

[admin@MikroTik] system resource> print
                   uptime: 5h26m12s
                  version: "3.0"
              free-memory: 17000kB
             total-memory: 30200kB
                    model: "RouterBOARD 500"
                      cpu: "MIPS 4Kc V0.10"
                cpu-count: 1
            cpu-frequency: 333MHz
                 cpu-load: 3
           free-hdd-space: 14208kB
          total-hdd-space: 61440kB
  write-sect-since-reboot: 1047
         write-sect-total: 379983
               bad-blocks: 0
[admin@MikroTik] system resource>

To view the current system CPU usage and free memory:

[admin@MikroTik] > system resource monitor
       cpu-used: 0
    free-memory: 115676

[admin@MikroTik] >

IRQ Usage Monitor

Command name: /system resource irq print

Description

IRQ usage shows which IRQ (Interrupt requests) are currently used by hardware.

Example

[admin@MikroTik] > system resource irq print
Flags: U - unused
   IRQ OWNER
   1   keyboard
   2   APIC
 U 3
   4   serial port
   5   [Ricoh Co Ltd RL5c476 II (#2)]
 U 6
 U 7
 U 8
 U 9
 U 10
   11  ether1
   12  [Ricoh Co Ltd RL5c476 II]
 U 13
   14  IDE 1
[admin@MikroTik] >

IO Port Usage Monitor

Command name: /system resource io print

Description

IO usage shows which IO (Input/Output) ports are currently used by hardware.

Example

[admin@MikroTik] > system resource io print
 PORT-RANGE        OWNER                                                      
 0x20-0x3F         APIC                                                       
 0x40-0x5F         timer                                                      
 0x60-0x6F         keyboard                                                   
 0x80-0x8F         DMA                                                        
 0xA0-0xBF         APIC                                                       
 0xC0-0xDF         DMA                                                        
 0xF0-0xFF         FPU                                                        
 0x1F0-0x1F7       IDE 1                                                      
 0x2F8-0x2FF       serial port                                                
 0x3C0-0x3DF       VGA                                                        
 0x3F6-0x3F6       IDE 1                                                      
 0x3F8-0x3FF       serial port                                                
 0xCF8-0xCFF       [PCI conf1]                                                
 0x4000-0x40FF     [PCI CardBus #03]                                          
 0x4400-0x44FF     [PCI CardBus #03]                                          
 0x4800-0x48FF     [PCI CardBus #04]                                          
 0x4C00-0x4CFF     [PCI CardBus #04]                                          
 0x5000-0x500F     [Intel Corp. 82801BA/BAM SMBus]                            
 0xC000-0xC0FF     [Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+]    
 0xC000-0xC0FF     [8139too]                                                  
 0xC400-0xC407     [Cologne Chip Designs GmbH ISDN network controller [HFC-PCI]
 0xC800-0xC87F     [Cyclades Corporation PC300/TE (1 port)]                   
 0xF000-0xF00F     [Intel Corp. 82801BA IDE U100]                             

[admin@MikroTik] >

USB Port Information

Command name: /system resource usb print

Description

Shows all USB ports available for the router. Only available on the routers, supporting USB.

Property Description

device (read-only: text) - number of devicename (read-only: text) - name of the USB portspeed (read-only: integer) - bandwidth speed at which the port worksvendor (read-only: text) - vendor name of the USB device

Example

To list all available USB ports:

[admin@MikroTik] system resource usb> print
 # DEVICE VENDOR                  NAME                   SPEED
 0 1:1                            USB OHCI Root Hub      12 Mbps
[admin@MikroTik] system resource usb>

PCI Information

Command name: /system resource pci print

Property Description

category (read-only: text) - device typedevice (read-only: text) - number of devicedevice-id (read-only: integer) - hexadecimal device IDirq (read-only: integer) - IRQ number which this device usesmemory (read-only: integer) - memory range this device usesname (read-only: text) - name of the devicevendor (read-only: text) - vendor name of the devicevendor-id (read-only: integer) - hexadecimal vendor ID of the device

Example

To see PCI slot details:

[admin@MikroTik] system resource pci> print
 # DEVICE   VENDOR                       NAME                        IRQ
 0 00:13.0  Compaq                       ZFMicro Chipset USB (rev... 12
 1 00:12.5  National Semi                SC1100 XBus (rev: 0)
 2 00:12.4  National Semi                SC1100 Video (rev: 1)
 3 00:12.3  National Semi                SCx200 Audio (rev: 0)
 4 00:12.2  National Semi                SCx200 IDE (rev: 1)
 5 00:12.1  National Semi                SC1100 SMI (rev: 0)
 6 00:12.0  National Semi                SC1100 Bridge (rev: 0)
 7 00:0e.0  Atheros Communications       AR5212 (rev: 1)             10
 8 00:0d.1  Texas Instruments            PCI1250 PC card Cardbus ... 11
 9 00:0d.0  Texas Instruments            PCI1250 PC card Cardbus ... 11
10 00:0c.0  National Semi                DP83815 (MacPhyter) Ethe... 10
11 00:0b.0  National Semi                DP83815 (MacPhyter) Ethe... 9
12 00:00.0  Cyrix Corporation            PCI Master (rev: 0)
[admin@MikroTik] system resource pci>

Reboot

Command name: /system reboot

Description

The system reboot is required when upgrading or installing new software packages. The packages are installed during the system shutdown.

The reboot process sends termination signal to all running processes, unmounts the file systems, and reboots the router.

Notes

Only users, which are members of groups with reboot privileges are permitted to reboot the router.

Reboot can be called from scripts, in which case it does not prompt for confirmation.

Example

[admin@MikroTik] > system reboot
Reboot, yes? [y/N]: y
system will reboot shortly
[admin@MikroTik] >

Shutdown

Command name: /system shutdown

Description

Before turning the power off for the router, the system should be brought to halt. The shutdown process sends termination signal to all running processes, unmounts the file systems, and halts the router.

For some systems, it is necessary to wait up to 30 seconds (but usually less than 10 seconds if there is no upgrade scheduled) for a safe power down.

Notes

Only users, which are members of groups with reboot privileges are permitted to shutdown the router.

Shutdown can be called from scripts, in which case it does not prompt for confirmation.

Example

[admin@MikroTik] > system shutdown
Shutdown, yes? [y/N]: y
system will shutdown promptly
[admin@MikroTik] >

Router Identity

Submenu level: /system identity

Description

The router identity is displayed before the command prompt. It is also used for DHCP client as 'host name' parameter when reporting it to the DHCP server.

Example

To view the router identity:

[admin@MikroTik] > system identity print
    name: "MikroTik"
[admin@MikroTik] >

To set the router identity:

[admin@MikroTik] > system identity set name=Gateway
[admin@Gateway] >

Configuration Change History

Specifications

Submenu level: /system history, /undo, /redo

Description

The history of system configuration changes is held until the next router shutdown. The invoked commands can be 'undone' (in reverse order they have been invoked). The 'undone' commands may be 'redone' (in reverse order they have been 'undone').

Command Description

/redo - undoes previous '/undo' command/system history print - print a list of last configuration changes, specifying whether the action can be undone or redone/undo - undoes previous configuration changing command (except another '/undo' command)

Notes

Floating-undo actions are created within the current SAFE mode session. They are automatically converted to undoable and redoable when SAFE mode terminated successfully, and are all undone irreverively when SAFE mode terminated insuccessfully.

Undo command cannot undo commands past start of the SAFE mode.

Example

To show the list of configuration changes:

[admin@MikroTik] system history> print
Flags: U - undoable, R - redoable, F - floating-undo
   ACTION                                   BY                 POLICY
 U system time zone changed                 admin              write
 U system time zone changed                 admin              write
 U system time zone changed                 admin              write
 U system identity changed                  admin              write
[admin@MikroTik] system clock>

What the /undo command does:

[admin@MikroTik] system history> print
Flags: U - undoable, R - redoable, F - floating-undo
   ACTION                                   BY                 POLICY
 R system time zone changed                 admin              write
 U system time zone changed                 admin              write
 U system time zone changed                 admin              write
 U system identity changed                  admin              write
[admin@MikroTik] system clock>

System Note

Submenu level: /system note

Description

System note feature allows you to assign arbitrary text notes or messages that will be displayed on each login right after banner. For example, you may distribute warnings between system administrators this way, or describe what does that particular router actually do. To configure system note, you may upload a plain text file named sys-note.txt on the router's FTP server, or, additionally, edit the settings in this menu

Property Description

note (text; default: "") - the noteshow-at-login (yes | no; default: yes) - whether to show system note on each login

Notes

If you want to enter or edit multiline system note, you may need to use embedded text editor: /system note edit note

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