Acl Dhcpsnoop Commands; Acl Dhcpsnoop Disable Command; Acl Dhcpsnoop Enable Command; Acl Dhcpsnoop Flush Command - ZyXEL Communications MSC1024G Series User Manual

where
<vid>
<info> =
This command adds the specified information for the relay agent (Option 82, Sub-option 2) for
the specified VLAN.

21.5 acl dhcpsnoop Commands

Use these commands to configure or show DHCP snooping settings on the subscriber ports.
The switch gets the client MAC-IP address information (in the reply from a DHCP server) and
stores it in the DHCP snooping table. The system only forwards packets from the clients
whose MAC-IP address is in the DHCP snooping table. Packets from unknown IP address(es)
are not forwarded (dropped). This feature prevents subscribers from assigning their own static
IP addresses.

21.5.1 acl dhcpsnoop disable Command

Syntax:
acl dhcpsnoop disable <slot-port>
This command disables the DHCP snooping feature on the specified port(s) on the line card.

21.5.2 acl dhcpsnoop enable Command

Syntax:
acl dhcpsnoop disable <slot-port>
This command activates the DHCP snooping feature on the specified port(s) on the line card.
The following example enables DHCP snooping on port 1 of the line card in slot 3.
ras> acl dhcpsnoop enable 3-1

21.5.3 acl dhcpsnoop flush Command

Syntax:
acl dhcpsnoop flush <slot-port>
This command clears the DHCP snooping binding table. The system automatically clears the
binding table when you disable DHCP snooping on a port.
MSC1000G/1024G/1224G Series User's Guide
The ID of the VLAN to which to apply the setting.
=
Up to 23 English keyboard characters of additional information for the
MSC to add to the DHCP requests that it relays to a DHCP server.
Examples of information you could add would be the name of the MSC
or the ISP. To clear this field, type a pair of double quotation marks with
no space between them ("").
Chapter 21 acl Commands
595