Advanced Operational Parameters
A-220
41-001343-02 REV05 – 07.2014
DNS Maximum Cache TTL Settings
Parameter
–
sip dns srvX target
Note:
The “X” indicate a server number with val-
ues from 1 to 4.
Configuration Files
aastra.cfg, <model>.cfg, <mac>.cfg
Description
The host name of the target.
Format
Host name or fully qualified domain name
Default Value
Not Applicable
Range
Not Applicable
Example
sip dns srv1 target: bigbox.example.com
Parameter
–
sip dns cache negative max ttl
Configuration Files
aastra.cfg, <model>.cfg, <mac>.cfg
Description
Specifies the DNS maximum cache TTL for negative responses.
Format
Integer
Default Value
-1 (5 minutes)
Range
0 - 2147483647 (seconds)
(0 = Disabled)
Example
sip dns cache negative max ttl: 3600
Parameter
–
sip dns cache positive max ttl
Configuration Files
aastra.cfg, <model>.cfg, <mac>.cfg
Description
Specifies the DNS maximum cache TTL for positive responses.
Format
Integer
Default Value
-1 (5 minutes)
Range
0 - 2147483647 (seconds)
(0 = Disabled)
Example
sip dns cache positive max ttl: 3600