HP 6125XLG R2306-HP 6125XLG Blade Switch Layer 3 - IP Services Configuration G - Page 97

Verifying the configuration, DNS proxy configuration example, Network requirements

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Figure 37 Adding a mapping between domain name and IP address 2. Configure the DNS client: # Specify the DNS server 2.1.1.2. system-view [Sysname] dns server 2.1.1.2 # Configure com as the name suffix. [Sysname] dns domain com Verifying the configuration # Use the ping host command on the device to verify that the communication between the device and the host is normal and that the translated destination IP address is 3.1.1.1. [Sysname] ping host Ping host.com (3.1.1.1): 56 data bytes, press CTRL_C to break 56 bytes from 3.1.1.1: icmp_seq=0 ttl=255 time=1.000 ms 56 bytes from 3.1.1.1: icmp_seq=1 ttl=255 time=1.000 ms 56 bytes from 3.1.1.1: icmp_seq=2 ttl=255 time=1.000 ms 56 bytes from 3.1.1.1: icmp_seq=3 ttl=255 time=1.000 ms 56 bytes from 3.1.1.1: icmp_seq=4 ttl=255 time=2.000 ms --- Ping statistics for host --5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss round-trip min/avg/max/std-dev = 1.000/1.200/2.000/0.400 ms DNS proxy configuration example Network requirements When the IP address of the DNS server changes, you must configure the new IP address of the DNS server on each device on the LAN. To simplify network management, you can use the DNS proxy function. 88

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88
Figure 37
Adding a mapping between domain name and IP address
2.
Configure the DNS client:
# Specify the DNS server 2.1.1.2.
<Sysname> system-view
[Sysname] dns server 2.1.1.2
# Configure com as the name suffix.
[Sysname] dns domain com
Verifying the configuration
# Use the
ping host
command on the device to verify that the communication between the device and the
host is normal and that the translated destination IP address is 3.1.1.1.
[Sysname] ping host
Ping host.com (3.1.1.1): 56 data bytes, press CTRL_C to break
56 bytes from 3.1.1.1: icmp_seq=0 ttl=255 time=1.000 ms
56 bytes from 3.1.1.1: icmp_seq=1 ttl=255 time=1.000 ms
56 bytes from 3.1.1.1: icmp_seq=2 ttl=255 time=1.000 ms
56 bytes from 3.1.1.1: icmp_seq=3 ttl=255 time=1.000 ms
56 bytes from 3.1.1.1: icmp_seq=4 ttl=255 time=2.000 ms
--- Ping statistics for host ---
5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss
round-trip min/avg/max/std-dev = 1.000/1.200/2.000/0.400 ms
DNS proxy configuration example
Network requirements
When the IP address of the DNS server changes, you must configure the new IP address of the DNS
server on each device on the LAN. To simplify network management, you can use the DNS proxy
function.