MACFF Configuration Commands

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Table of Contents

Table of Contents
1.1 macff enable.......................................................................................................................................1
1.2 macff vlan vlan_id enable.................................................................................................................2
1.3 macff vlan vlan_id default-ar A.B.C.D............................................................................................ 2
1.4 macff vlan vlan_id other_ar A.B.C.D.............................................................................................. 3
1.5 macff disable.......................................................................................................................................4
1.6 debug macff........................................................................................................................................4

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MACFF Configuration Commands

Chapter 1 MACFF Configuration Commands
MACFF configuration commands include:

 macff enable

 macff vlan vlan_id enable

 macff vlan vlan_id default-ar A.B.C.D

 macff vlan vlan_id other_ar A.B.C.D

 debug macff

1.1 macff enable

Syntax

To enable or disable the MACFF function globally, run the following command. To return
to the default setting, use the no form of this command.

macff enable

no macff enable

Parameters

None

Default Value

MACFF function is disabled by default.

Usage Guidelines

None

Example

The following example shows how to enable the MACFF function.
Switch_config#macff enable
Switch_config#

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MACFF Configuration Commands

1.2 macff vlan vlan_id enable

Syntax

macff vlan vlan_id enable

no macff vlan vlan_id enable

Parameters

Parameters Description

vlan id Stands for the ID of a VLAN. Value range: 1-4094

Default Value

None

Usage Guidelines

The command is used to send MAC-Based VLAN.

Example

The following example shows how to enable MACFF on VLAN 2 and the default
gateway address is 192.168.1.1.

Switch_config#arp 192.168.1.1 00:e0:0f:17:92:ed vlan 2
Switch_config#macff vlan 2 enable
Switch_config#

1.3 macff vlan vlan_id default-ar A.B.C.D

Syntax

To bind DHCP snooping to standby TFTP server, run ip dhcp-relay snooping
database-agent A.B.C.D.

macff vlan vlan_id default-ar A.B.C.D

no macff vlan vlan_id default-ar A.B.C.D

Parameters

Parameters Description

A.B.C.D IP address of the default gateway

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MACFF Configuration Commands

Default Value

None

Usage Guidelines

This command is used when you set the IP address of the client host and the default
gateway manually. Of course, you also need to add the DHCP snooping binding table
manually.

Example

The following example shows how to set the address of MACFF binding gateway in
vlan1 to 192.168.1.1 and the client's address to 192.168.1.10.

Switch_config#arp 192.168.1.1 00:e0:0f:17:92:ed vlan 1

Switch_config#ip source binding 6c:62:6d:59:18:b6 192.168.1.10 interface
GigaEthernet0/1
Switch_config# macff vlan 1 default-ar 192.168.1.1
Switch_config#

1.4 macff vlan vlan_id other_ar A.B.C.D

Syntax

macff vlan vlan_id other_ar A.B.C.D

no macff vlan vlan_id other_ar A.B.C.D

Parameters

Parameters Description

A.B.C.D Stands for the IP address of service AR.

Default Value

None

Usage Guidelines

When the network segment where the client host is has other service ARs and these
ARs are only accessed by the client directly without the need of gateway to forwarding
packets, this command can be used to add these service ARs.

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MACFF Configuration Commands

Example

The following example shows how to set an AR with its IP being 192.168.2.254 and its
MAC being 00:e0:0f:23:02:fc on port g0/1 in vlan1.
Switch_config#arp 192.168.2.254 00:e0:0f:23:02:fc vlan 1
Switch_config#interface g0/1
Switch_config_g0/1# dhcp snooping trust
Switch_config_g0/1#exit
Switch_config#macff vlan 1 other_ar 90.1.1.1

1.5 macff disable

Syntax

macff disable

no macff disable

Parameters

None

Default Value

A specified port is allowed to enable MACFF.

Usage Guidelines

Though MACFF is enabled in a VLAN, MACFF can be disabled on one of the ports in
this VLAN. The DHCPR snooping functionality is not affected on this port after
disabled its MACFF functionality.

Example

The following example shows how to disable MACFF on port g0/1.
Switch_config_g0/1#macff disable
Switch_config_g0/1#

1.6 debug macff

Syntax

debug macff

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MACFF Configuration Commands

no debug macff

Parameters

None

Default Value

None

Usage Guidelines

This command is used to enable or disable the MACFF debugging switch.

Example

The following example shows how to enable the debugging switch of MACFF.
Switch_config#debug macff
Switch_config#

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