3Com S7902E, Руководство по настройке

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Displaying and Maintaining IPv4 DNS
To do… Use the command… Remarks
Display the static IPv4 domain name
resolution table
display ip host Available in any view
Display IPv4 DNS server information display dns server [ dynamic ] Available in any view
Display DNS suffixes display dns domain [ dynamic ] Available in any view
Display the information of the dynamic
IPv4 domain name cache
display dns dynamic-host Available in any view
Clear the information of the dynamic
IPv4 domain name cache
reset dns dynamic-host Available in user view
IPv4 DNS Configuration Examples
Static Domain Name Resolution Configuration Example
Network requirements
As shown in Figure 1-3 , static domain name resolution is configured on the Switch and thus the Switch
can use the domain name host.com to access the host whose IP address is 10.1.1.2.
Figure 1-3 Network diagram for static domain name resolution
Configuration procedure
# Configure a mapping between host name host.com and IP address 10.1.1.2.
<Sysname> system-view
[Sysname] ip host host.com 10.1.1.2
# Use the ping host.com command to verify that the Switch can use static domain name resolution to
resolve domain name host.com into IP address 10.1.1.2.
[Sysname] ping host.com
PING host.com (10.1.1.2):
56 data bytes, press CTRL_C to break
Reply from 10.1.1.2: bytes=56 Sequence=1 ttl=128 time=1 ms
Reply from 10.1.1.2: bytes=56 Sequence=2 ttl=128 time=4 ms
Reply from 10.1.1.2: bytes=56 Sequence=3 ttl=128 time=3 ms
Reply from 10.1.1.2: bytes=56 Sequence=4 ttl=128 time=2 ms
Reply from 10.1.1.2: bytes=56 Sequence=5 ttl=128 time=3 ms
--- host.com ping statistics ---
5 packet(s) transmitted
5 packet(s) received