R211x-HP Flexfabric 11900 Layer 3 - IP Services Command Reference

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Related commands
• dhcp client identifier
• ip address dhcp-alloc
ip address dhcp-alloc
Use ip address dhcp-alloc to configure an interface to use DHCP for IP address acquisition.
Use undo ip address dhcp-alloc to cancel an interface from using DHCP.
Syntax
ip address dhcp-alloc
undo ip address dhcp-alloc
Default
An interface does not use DHCP for IP address acquisition.
Views
Interface view
Predefined user roles
network-admin
mdc-admin
Usage guidelines
When you execute the undo ip address dhcp-alloc command, the interface sends a DHCP-RELEASE
message to release the IP address obtained through DHCP. If the interface is down, the message cannot
be sent out.
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 specify a database file to store DHCP snooping
entries.
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 } key ] ] }