106 CHAPTER 5: USING NETWORK PROTOCOL COMMANDS
Use the undo ip address
ip_address mask
command to cancel the primary IP
address and IP subnet mask of a VLAN interface. Before you can cancel the
primary IP address of an interface, you must cancel any secondary IP addresses.
Use the undo ip address command without any parameters to delete the
primary and secondary IP addresses of an interface.
By default, the IP address of a VLAN interface is set to null.
The subnet address of an IP address can be identified by subnet mask. For
instance, the IP address of an interface is 202.38.10.102, and the mask is
255.255.0.0. You can confirm that the subnet address is 202.38.0.0 by
performing the logic operation “AND” on the IP address and mask.
Note that the VLAN interface cannot be configured with the secondary IP address
if its IP address is set to be allocated by BOOTP or DHCP.
Related commands: display ip interface .
Example
Configure the IP address of interface VLAN interface 1 as 202.38.10.66 and
subnet mask as 255.255.255.0.
<SW5500>system-view
System View: return to User View with Ctrl+Z.
[SW5500]interface vlan-interface 1
[SW5500-vlan-interface1]ip address 202.38.10.66 255.255.255.0
ip host Syntax
ip host
hostname ip_address
undo ip host
hostname
[
ip_address
]
View
System View
Parameters
hostname
Enter the host name of the connecting device. This is a character string
of up to 20 characters.
ip_address
Enter the host’s IP address.
Description
Use the ip host command to configure the host name and the host IP address in
the Switch 5500G-EI’s host table. This allows you to ping or Telnet a local device by
host name.
Use the undo ip host command to remove the host name and the host IP address
from the host table.
By default, the host name and corresponding IP address are null.
Related command: display ip host
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