Setting Up Dns - Cisco Catalyst 9200 Configuration Manual
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Also See for Catalyst 9200:
- Hardware installation manual (128 pages) ,
- Installing manual (8 pages) ,
- Instructions (4 pages)
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Setting Up DNS
Setting Up DNS
If you use the device IP address as its hostname, the IP address is used and no DNS query occurs. If you
configure a hostname that contains no periods (.), a period followed by the default domain name is appended
to the hostname before the DNS query is made to map the name to an IP address. The default domain name
is the value set by the ip domain-name global configuration command. If there is a period (.) in the hostname,
the Cisco IOS software looks up the IP address without appending any default domain name to the hostname.
Follow these steps to set up your switch to use the DNS:
SUMMARY STEPS
1. enable
2. configure terminal
3. ip domain-name name
4. ip name-server server-address1 [server-address2 ... server-address6]
5. ip domain-lookup [nsap | source-interface interface]
6. end
7. show running-config
8. copy running-config startup-config
DETAILED STEPS
Command or Action
Step 1
enable
Example:
Device> enable
Step 2
configure terminal
Example:
Device# configure terminal
Step 3
ip domain-name name
Example:
Device(config)# ip domain-name Cisco.com
Step 4
ip name-server server-address1 [server-address2 ...
server-address6]
System Management Configuration Guide, Cisco IOS XE Gibraltar 16.10.x (Catalyst 9200 Switches)
26
Purpose
Enables privileged EXEC mode. Enter your password if
prompted.
Enters the global configuration mode.
Defines a default domain name that the software uses to
complete unqualified hostnames (names without a
dotted-decimal domain name).
Do not include the initial period that separates an
unqualified name from the domain name.
At boot time, no domain name is configured; however, if
the device configuration comes from a BOOTP or Dynamic
Host Configuration Protocol (DHCP) server, then the default
domain name might be set by the BOOTP or DHCP server
(if the servers were configured with this information).
Specifies the address of one or more name servers to use
for name and address resolution.
Administering the Device
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Troubleshooting
