Руководство По Устранению Ошибки для Cisco Cisco Packet Data Gateway (PDG)
DNS Client Configuration Mode Commands
cache ttl ▀
Cisco ASR 5000 Series Command Line Interface Reference ▄
OL-22947-02
cache ttl
Configures the DNS cache time to live (TTL) for positive and negative responses.
Product
MME, SCM, SGSN
Privilege
Security Administrator, Administrator
Syntax
Disables any or all configured DNS cache parameters.
Sets the DNS cache time to live for positive and negative responses to default setting.
negative
: Specifies the time to live for negative responses.
must be an integer value
from 60 to 86400. The default value is 60 seconds.
positive
positive
: Specifies the time to live for positive responses.
must be an integer value from
60 to 86400. The default value is 86400 seconds (1 day).
Usage
Use this command to adjust the DNS cache time to live.
Example
The following commands set the TTL DNS cache to
The following commands set the TTL DNS cache to
seconds for negative responses and
seconds for positive
responses: