ip host
This command adds an entry to the IP hostname table for all Layer 3 interfaces. Use the no form of this command to delete an entry from the IP Hostname table for all Layer 3 interfaces.
The following are the relevant specifications:
■ | RFC 1034 |
■ | RFC 1035 |
■ | RFC 2782 (SRV) |
■ | RFC 3403 (NAPTR) |
Syntax
ip host <name> <ip address> <ttl> <tracking ID> ip host <name> srv <priority> <weight> <port> <target> <ttl> ip host <name> naptr <order> <preference> <flags> regexp <regexp> <ttl> ip host <name> naptr <order> <preference> <flags> service <service> regexp <regexp> <ttl> ip host <name> naptr <order> <preference> <flags> service <service> replacement <replacement> <ttl>
Command |
Description |
---|---|
name |
Specifies the name of the host. Up to 63 characters. |
ip address |
Specifies the host’s IPv4 (dotted decimal notation) or IPv6 address. |
ttl |
Defines Time-To-Live in seconds, range 0-2147483647. |
priority |
Defines the priority – a non-negative number with a range 0-65535. |
weight |
Defines the weight – a non-negative number with a range 0-65535. |
port |
Non-negative number, range 0-65535. |
target |
Domain name, up to 256 characters. |
order |
Non-negative number, range 0-65535. |
preference |
Non-negative number, range 0-65535. |
flags |
Currently four flags are defined: "S", "A", "U", and "P" (character-string). |
service |
Up to 64 characters and must start with an alphabetic (character-string). |
tracking ID |
If Tracking ID is configured, this DNS record is resolved only if the DNS server is unreachable. This is only relevant when a DNS server is configured. If not entered, the DNS record is always resolved. |
regexp |
Up to 256 characters (character-string). |
replacement |
Domain name, up to 256 characters. |
Default
NA
Related Commands
ip dns server
Command Mode
Privileged User
Examples:
This example adds an entry with name ‘abcd’ and ip address ‘10.44.1.1’ to the IP Hostname table for all Layer 3 interfaces:
(config data)# ip host abcd 10.44.1.1 3600
This example (taken from RFC 2782) for adding SRV entry to the DNS server table for all Layer 3 interfaces:
(config data)# ip host _foobar._tcp srv 0 1 9 old-slow-box.example.com 3600
This example (taken from RFC 3403) for adding NAPTR entry to the DNS server table for all Layer 3 interfaces:
(config data)# ip host example.com naptr 100 50 A service z3950+N2L+N2C replacement cidserver.example.com 3600