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Ip host

As explained in Acing the CCNA Exam: Volume 2 Advanced Networking and Security

ip host is a Cisco IOS configuration command that creates a static hostname-to-IP-address mapping.

The Cisco IOS ip host command creates a permanent hostname-to-IP-address mapping, useful for naming internal hosts without relying on dynamic DNS. section 3.2.2 section 3.3

Configure and verify mappings

R1(config)# ip host pc2.jeremysitlab.com 10.0.0.12 R1# show hosts The output marks the entry as permanent and lists its address. With ip domain name jeremysitlab.com configured, a client can resolve and ping pc2 using the short name pc2.

How Acing the CCNA Exam: Volume 2 Advanced Networking and Security covers it

How deep it goes
Explains command syntax, default-domain interaction, verification with show hosts, and permanent versus dynamically learned entries.
Examples
Uses R1, PC1, PC2, jeremysitlab.com, show hosts output, and a successful ping using the short hostname pc2.
What it assumes
Assumes basic Cisco IOS configuration and hostname addressing while defining DNS clients, servers, and default-domain behavior nearby.
What you can do after
Configure static hostname mappings and verify them alongside DNS-learned entries with show hosts.
How it connects
Connects static mappings with DNS, Cisco IOS DNS server behavior, default domain names, and show hosts verification.
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