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Chapter 15 IP Commands
ZyWALL (ZyNOS) CLI Reference Guide
107
ip dns lan edit <0|1|2> <0:from
ISP|1:user defined|2:DNS
relay|3:none> [isp-idx|ip-
address]
Configures the DNS server settings the ZyWALL assigns to
LAN DHCP clients.
0|1|2: Configures the first, second, or third DNS server
setting.
0:from ISP|1:user defined|2:DNS relay|3:none: If
you set the server as from ISP (0), specify the number of the
ISP. If you set the server as user defined (1), specify the IP
address.
isp-idx|ip-address: The number of the ISP (the number
of the remote node) or the IP address of the DNS server.
R
ip dns lan edit <0|1|2> <0:from
ISP|1:user defined|2:DNS
relay|3:none> [isp-idx|ip-
address]
Configures the DNS server settings the ZyWALL assigns to
LAN DHCP clients.
0|1|2: Configures the first, second, or third DNS server
setting.
0:from ISP|1:user defined|2:DNS relay|3:none: If
you set the server as from ISP (0), specify the number of the
ISP. If you set the server as user defined (1), specify the IP
address.
isp-idx|ip-address: The number of the ISP (the number
of the remote node) or the IP address of the DNS server.
R
ip dns query address <ip-
address> [timeout]
Displays the domain name of an IP address.
timeout: The maximum number of seconds to wait for a
response.
R
ip dns query name <domain-name> Displays the IP address of a domain name. R
ip dns system cache disp <0~5>
[0:increase|1:decrease]
Displays the DNS cache table. Select which criteria to sort the
entries by.
0: Displays the entries by the time they were created.
1: Sorts the entries by domain name or URL.
2: Sorts the entries by type (positive or negative).
3: Sorts the entries by IP address.
4: Sorts the entries by the number of times the entry was used.
5: Sorts the entries by Time To Live (number of seconds left
before the DNS resolution entry is discarded from the cache).
0:increase|1:decrease: Specify ascending or
descending order.
R+B
ip dns system cache flush Clears the DNS cache. R+B
ip dns system cache negaperiod
<60~3600>
Sets the number of seconds negative DNS entries stay in the
cache.
R+B
ip dns system cache negative
<0:disable|1:enable>
Enables or disables the DNS negative cache. R+B
ip dns system cache positive
<0:disable|1:enable>
Enables or disables the DNS positive cache. R+B
ip dns system cache ttl <60~3600> Sets the positive DNS cache maximum TTL (Time To Live). R+B
ip dns system dela <index> Removes the specified DNS address record entry. R+B
ip dns system delns <index> Removes the specified DNS name server record entry. R+B
ip dns system display Shows the system DNS server settings. R+B
Table 48 DNS Commands (continued)
COMMAND DESCRIPTION M