R3204P16-HP Load Balancing Module Network Management Configuration Guide-6PW101

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Configuration procedure
Follow these steps to configure DNS spoofing:
To do… Use the command…
Remarks
Enter system view system-view —
Enable DNS spoofing and specify the
translated IP address
dns spoofing ip-address
Required
Disabled by default.
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
1. Network requirements
As shown in Figure 123,
static domain name resolution is configured on LB and thus the LB can use the
domain name host.com to access the host whose IP address is 10.1.1.2.
Figure 123 Network diagram for static domain name resolution
2. Configuration procedure
# Configure a mapping between host name host.com and IP address 10.1.1.2.
<LB> system-view
[LB] ip host host.com 10.1.1.2
# Use the ping host.com command to verify that LB can use static domain name resolution to resolve
domain name host.com into IP address 10.1.1.2.
[LB] 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