F3726, F3211, F3174, R5135, R3816-HP Firewalls and UTM Devices Network Management Command Reference-6PW100

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Default command level
2: System level
Parameters
ip: Clears the dynamic cache information about type A queries. A type A query resolves a domain name
to the mapped IPv4 address.
ipv6: Clears the dynamic cache information about type AAAA queries. A type AAAA query resolves a
domain name to the mapped IPv6 address. For more information, see Network Management
Configuration Guide.
The following matrix shows the values for the ipv6 argument on different firewalls and UTM devices:
Hardware i
p
v6
F1000-A-EI/F1000-S-EI Yes
F1000-E Yes
F5000 Yes
Firewall module Yes
U200-A Yes
U200-S No
naptr: Clears the dynamic cache information about NAPTR queries. A NAPTR query offers the
replacement rule of a character string to convert the character string to a domain name.
srv: Clears the dynamic cache information about SRV queries. An SRV query offers the domain name of
a certain service site.
Usage guidelines
If you do not specify any parameter, this command clears the dynamic DNS cache information about all
query types.
Examples
# Clear the dynamic DNS cache information about all query types.
<Sysname> reset dns host
Related commands
display dns host