Planet Networking & Communication SGS-6340-24T4S Command Manual page 931

Chapter 64 Commands for DNSv4/v6
64.1 clear dynamic-host
Command:
clear dynamic-host {<ip-address> | <ipv6-address> | all}
Function:
To delete the domain entry of specified address or all address in dynamic cache.
Parameter:
<ip-address> is the IP address, in dotted decimal notation;
<ipv6-address> is the IPv6 address; all is to delete the domain entry of all address in dynamic cache.
Command Mode:
Admin Mode.
Default:
Disabled.
Usage Guide:
This command is used to manually delete the domain name and address entry in dynamic cache, this command is
much useful when domain name have lived long time in cache.
Example:
To delete the address of 202.108.22.5 of domain entry.
Switch# clear dynamic-host 202.108.22.5
64.2 debug dns
Command:
debug dns {all | packet [send | recv] | events | relay}
no debug dns {all | packet [send | recv] | events | relay}
64-379