[RouterA-ospf-1-area-0.0.0.0] quit
[RouterA-ospf-1] quit
# Create static DNS entries.
[RouterA] ip host DeviceB 4.1.1.1
[RouterA] ip host DeviceC 4.1.1.2
# Enable DNS resolution.
[RouterA] dns resolve
# Configure an IP address for the DNS server.
[RouterA] dns server 3.1.1.2
# Configure a domain name suffix as net.
[RouterA] dns domain net
# Configure a domain name suffix as com.
[RouterA] dns domain com
NOTE
You must configure OSPF on RouterB and RouterC so that a route between RouterA and the DNS server
can be generated. For details about OSPF configurations on RouterB and RouterC, see the configuration
files.
Step 2 Verify the configuration.
# Run the ping huawei.com command on RouterA. You can see that the ping operation succeeds
and the destination IP address is 2.1.1.3.
<RouterA> ping huawei.com
Trying DNS server (3.1.1.2)
PING huawei.com (2.1.1.3): 56 data bytes, press CTRL_C to break
Reply from 2.1.1.3: bytes=56 Sequence=1 ttl=126 time=6 ms
Reply from 2.1.1.3: bytes=56 Sequence=2 ttl=126 time=4 ms
Reply from 2.1.1.3: bytes=56 Sequence=3 ttl=126 time=4 ms
Reply from 2.1.1.3: bytes=56 Sequence=4 ttl=126 time=4 ms
Reply from 2.1.1.3: bytes=56 Sequence=5 ttl=126 time=4 ms
--- huawei.com ping statistics ---
5 packet(s) transmitted
5 packet(s) received
0.00% packet loss
round-trip min/avg/max = 4/4/6 ms
Run the display ip host command on RouterA. You can view mappings between host names
and IP addresses in static DNS entries.
<RouterA> display ip host
Host Age Flags Address
DeviceB 0 static 4.1.1.1
DeviceC 0 static 4.1.1.2
# Run the display dns dynamic-host command on RouterA. You can view information about
dynamic DNS entries in the domain name cache.
<RouterA> display dns dynamic-host
Host TTL Type Address(es)
huawei.com 114 IP
2.1.1.3
Huawei AR150&200 Series Enterprise Routers
Configuration Guide - IP Service 4 DNS Configuration
Issue 02 (2012-03-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
96
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