3 typical examples of dns, Ypical, Xamples of – QTECH QSW-3400 Инструкция по настройке User Manual
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show dns name-server
To
show
the
configured
DNS
server
information.
show dns domain-list
To show the configured DNS domain name
suffix information.
show dns hosts
To show the dynamic domain name information
of resolved by switch.
show dns config
Display the configured global DNS information
on the switch.
show dns client
Display the DNS Client information maintained
by the switch.
debug dns {all | packet [send | recv] |
events | relay}
no debug dns {all | packet [send | recv] |
events | relay}
To enable/disable DEBUG of DNS function.
63.3 Typical Examples of DNS
DNS CLIENT typical environment
As shown in fig, the switch connected to DNS server through network, if the switch want to visit
xname
Website, it needn’t to know the IPv4/IPv6 address of xname Website, only need is to
record the domain name of xname Website is www.xname.org. The DNS server can resolute
out the IPv4/IPv6 address of this domain name and send to switch, then the switch can visit
xname Website correctly. The switch is configured as DNS client, basic configurations are as
below: first to enable DNS dynamic domain name resolution function on switch, and configure
DNS server address, then with some kinds of tools such as PING, the switch can get
corresponding IPv4/IPv6 address with dynamic domain name resolution function.
DNS SERVER
IP: 219.240.250.101
IPv6: 2001::1
ip domain-lookup
dns-server 219.240.250.101
dns-server 2001::1
SWITCH
INTERNET