106
Examples
# Configure VLAN-interface 10 to use DHCP for IP address acquisition.
<Sysname> system-view
[Sysname] interface vlan-interface 10
[Sysname-Vlan-interface10] ip address dhcp-alloc
DHCP snooping commands
DHCP snooping works between the DHCP client and the DHCP server or between the DHCP client
and the relay agent. DHCP snooping does not work between the DHCP server and the DHCP relay
agent.
dhcp snooping binding database filename
Use dhcp snooping binding database filename to configure the DHCP snooping device to back
up DHCP snooping entries to a file.
Use undo dhcp snooping binding database filename to restore the default.
Syntax
dhcp snooping binding database filename { filename | url url [ username username [ password
{ cipher | simple } string ] ] }
undo dhcp snooping binding database filename
Default
The DHCP snooping device does not back up DHCP snooping entries.
Views
System view
Predefined user roles
network-admin
Parameters
filename: Specifies the name of a local backup file. For information about the filename argument, see
Fundamentals Configuration Guide.
url url: Specifies the URL of a remote backup file, a case-sensitive string of 1 to 255 characters. Do
not include a username or password in the URL. Supported path format type varies by server.
username username: Specifies the username for accessing the URL of the remote backup file, a
case-sensitive string of 1 to 32 characters. Do not specify this option if a username is not required for
accessing the URL.
cipher: Specifies a password in encrypted form.
simple: Specifies a password in plaintext form. For security purposes, the password specified in
plaintext form will be stored in encrypted form.
string: Specifies the password. Its plaintext form is a case-sensitive string of 1 to 32 characters. Its
encrypted form is a case-sensitive string of 1 to 73 characters. Do not specify this argument if a
password is not required for accessing the URL of the remote backup file.
Usage guidelines
This command automatically creates the file if you specify a nonexistent file.
With this command executed, the DHCP snooping device backs up DHCP snooping entries
immediately and runs auto backup. The DHCP snooping device, by default, waits 300 seconds after
To Next Page
Loading...
