H3C Technologies H3C WX3000 Series Unified Switches User Manual

Page 613

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59-4

Figure 59-2

Network diagram for static DNS configuration

10.1 .1.1/24

10.1.1. 2/ 24

host.com

Host

Switch

Configuration procedure

# Configure a mapping between host name host.com and IP address 10.1.1.2.

<device> system-view

[device] ip host host.com 10.1.1.2

# Execute the ping host.com command to verify that the device can use static domain name resolution
to get the IP address 10.1.1.2 corresponding to host.com.

[device] 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=127 time=3 ms

Reply from 10.1.1.2: bytes=56 Sequence=2 ttl=127 time=3 ms

Reply from 10.1.1.2: bytes=56 Sequence=3 ttl=127 time=2 ms

Reply from 10.1.1.2: bytes=56 Sequence=4 ttl=127 time=5 ms

Reply from 10.1.1.2: bytes=56 Sequence=5 ttl=127 time=3 ms

--- host.com ping statistics ---

5 packet(s) transmitted

5 packet(s) received

0.00% packet loss

round-trip min/avg/max = 2/3/5 ms

Dynamic Domain Name Resolution Configuration Example

Network requirements

As shown in

Figure 59-3

, Switch serving as a DNS client uses dynamic domain name resolution to

access the host at 3.1.1.1/16 through its domain name host. The DNS server has the IP address
2.1.1.2/16. The DNS suffix is com.

Figure 59-3

Network diagram for dynamic DNS configuration

2.1.1.2/16

2.1.1.1

DNS server

Switch

DNS client

1.1.1/16

host. com

IP network

Host

/16

1.

3.1.1.1/ 16

Configuration procedure

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