The NIOS-Software based DNS cache acceleration appliances provide several commands to change settings in the system. To use these commands, you must connect through SSH or connect through the serial console port to the IB-4030 or IB-4030-10GE software based DNS cache acceleration appliances and login with the appropriate admin account.
The Software based DNS cache acceleration appliances support the standard NIOS command-line interface for communicating with the device. For more information, refer to the Infoblox CLI Guide.
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- set dns transfer–Schedules zone transfers. Note that set dns transfer is not used by software based DNS cache acceleration appliances with an active DNS Cache Acceleration license.
- set monitor dns –Activates DNS monitoring in NIOS. This command is disabled on software based DNS cache acceleration appliances with an active DNS Cache Acceleration license.
- show monitor dns –Displays DNS network monitoring data. This command is disabled on software based DNS cache acceleration appliances with an active DNS Cache Acceleration license.
- show dns-accel–Shows the cusrrent status of the appliance. This command applies only to software based DNS cache acceleration appliances.
- show dns accel-cache–You can view the current accelerator cache contents or view the prior cache dump file. This command may affect DNS query response performance for around 15 seconds during execution. This command applies only to software based DNS cache acceleration appliances, with DNS cache acceleration license enabled.
- set dns-accel log–Specify the log level for the DNS Cache Acceleration service on the appliance.
- set temp_license–Generates and installs a temporary DNS cache acceleration license. You can add a temporary DNS cache acceleration license for up to one million qps. Note that you cannot add a temporary license if a permanent license already exists.
- show license–Displays the capacity of the applicable DNS cache acceleration license type.
- show dns accel-cache existing-file–Displays the existing cache data file of software based DNS cache acceleration appliances.
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Infoblox > set dns flush name accounting.corp100.com Infoblox > set dns flush all
show dns
The show dns command displays DNS query statistics for all DNS views in the software based DNS cache acceleration appliances. It also displays the recursive cache for the specified DNS views.
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Infoblox > show dns stats success 6718810 referral 0 nxrrset 0 nxdomain 0 recursion 257 failure 0
set dns-accel log
Sets the logging level for the DNS Cache Acceleration service on the software based DNS cache acceleration appliances, where the level is between 0 being the least verbose and 7 being the most verbose.
Syntax
set dns-accel log {level]
| Argument | Description |
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level | The logging level (from 0 to 7) of messages. |
Example
Infoblox > set dns-accel log 7
show dns-accel
Checks the status and settings of the DNS Cache Acceleration service.
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When you use this command on a specific appliance, the configuration applies only to that appliance. When using this command for an HA pair, you must run the command separately on both the active and passive nodes to ensure consistent behavior. |
Show dns-accel displays the following operating characteristics of the software based DNS cache acceleration appliances:
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Syntax
show dns-accel
Example
Infoblox > show-dns accel Firmware version: 1.3.19, Nov 08, 2011
Cache: Enabled Cache hit count: 109397 Cache miss count: 3008
Minimum cached TTL: 10 DNS query stats: SUCCESS=109380 NXDOMAIN=0 NXRRSET=0 FAILURE=0 REFERRAL=0 DNS UDP packet count: port0=299339 port1=93408 port2=0 port3=0
Log level: 6 Failed cores: None
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