Dasan V5808 - Static IP Source Binding; Displaying IP Source Guard Configuration; DHCP Client; Enabling DHCP Client

User Manual UMN:CLI
V5808
355
Note that the IP source guard is only enabled on DHCP snooping untrusted Layer 2 port!
If you try to enable this function on a trusted port, the error message will be shown up.
You cannot configure IP source guard with the ip dhcp verify source and ip dhcp verify
source port-security commands together.
8.5.8.2 Static IP Source Binding
The IP source binding table has bindings that are learned by DHCP snooping or manually
specified with the ip dhcp verify source binding command. The switch uses the IP
source binding table only when IP source guard is enabled.
To specify a static IP source binding entry, use the following command.
Command
Mode
Description
ip dhcp verify source binding
<1-4094> PORT A.B.C.D MAC-
ADDR
Global
Specifies a static IP source binding entry.
1-4094: VLAN ID
PORT: port number
A.B.C.D: IP address
MAC-ADDR: MAC address
no ip dhcp verify source binding
{A.B.C.D | all}
Deletes a specified static IP source binding.
8.5.8.3 Displaying IP Source Guard Configuration
To display IP source binding table, use the following command.
Command
Mode
Description
show ip dhcp verify source
binding
Enable
Global
Shows IP source binding entries.
8.5.9 DHCP Client
An interface of the V5808 can be configured as a DHCP client, which can obtain an IP
address from a DHCP server. The configurable DHCP client functionality allows a DHCP
client to use a user-specified client ID, class ID or suggested lease time when requesting
an IP address from a DHCP server. Once configured as a DHCP client, the V5808 cannot
be configured as a DHCP server or relay agent.
8.5.9.1 Enabling DHCP Client
To configure an interface as a DHCP client, use the following command.
Command
Mode
Description
ip address dhcp
Interface
Enables a DHCP client on an interface.
no ip address dhcp
Disables a DHCP client.
8.5.9.2 DHCP Client ID
To specify a client ID, use the following command.
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