Cisco Cisco ASR 5000
Exec Mode Commands (A-C)
▀ clear dns-client
▄ Command Line Interface Reference, StarOS Release 18
3886
clear dns-client
Clears DNS cache and/or statistics for a specified DNS client.
Product
SCM
Privilege
Security Administrator, Administrator, Operator
Mode
Exec
The following prompt is displayed in the Exec mode:
[local]host_name#
Syntax
clear dns-client name { cache [ query-name name | query-type { A | AAAA | NAPTR | SRV } ]
| statistics }
| statistics }
dns-client name
Specifies the name of an existing DNS client whose cache and/or statistics are being cleared as an
alphanumeric string of 1 through 255 characters.
alphanumeric string of 1 through 255 characters.
cache [ query-name name | query-type { A | AAAA | NAPTR | SRV } ]
Specifies that the cache for the defined DNS client is to be cleared.
query-name name
: Filters DNS results based on the domain name. The name is an alphanumeric string of 1
through 255 characters. that is the domain name used to perform the DNS query. This name is different from
the actual domain name which is resolved. For example, to resolve the SIP server for
the actual domain name which is resolved. For example, to resolve the SIP server for
service.com
, the
query name is
_sip._udp.service.com
and the query type is
SRV
.
query-type
:
A
: Filters DNS results based on domain IP address records (A records).
AAAA
: Filters DNS results based on AAAA records (AAAA resource records).
NAPTR
: Filters DNS results based on Name Authority Pointer records.
SRV
: Filters DNS results based on service host records (SRV records).
statistics
Specifies that statistics for the defined DNS client are to be cleared.
Usage
Use this command to clear DNS cache and/or statistics for a specified DNS client.
Example
The following command clears statistics for a DNS client named
domain1.com
:
clear dns-client domain1.com statistics