SMC Networks TigerAccess SMC7816M Manual do Utilizador descarregar pdf (Página 596)

100

101

LIENT

ECURITY

OMMANDS

23-8

• This switch provides a total of 7 masks for filtering functions,

including IP-MAC address packet filtering, NetBIOS packet filtering,

DHCP packet filtering, and ACLs. Three masks are allocated to

NetBIOS packet filtering if enabled on any interface. These masks will

be released for use by other filtering functions if NetBIOS packet

filtering is disabled on all interfaces.

Example

filter dhcp-request

This command filters DHCP request packets.

Syntax

filter dhcp-request {add | del} interface

• add - Enables DHCP request filtering.

• del - Disables DHCP request filtering.

•interface

- unit - Stack unit. (Range: 1)

- port-list - Single port number or list of ports. (Range: 1-18)

Default Setting

Disabled

Command Mode

Global Configuration

Command Usage

• In cases where the IP address for a client attached to a downlink port

is fixed (i.e., at the VDSL port on the CPE), you should use this

command to block any DHCP requests from the client.

• To specify a port list, use a hyphen to indicate a range of ports, or a

comma to indicate a group of non-consecutive ports.

• This switch provides a total of 7 masks for filtering functions,

including IP-MAC address packet filtering, NetBIOS packet filtering,

DHCP packet filtering, and ACLs. One mask is allocated to DHCP

Console(config)#filter netbios add 1/1

Console(config)#

1 2 ... 591 592 593 594 595 596 597 598 599 600 601 ... 961 962

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SMC Networks TigerAccess SMC7816M Manual do Utilizador Página 596

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