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source-filtering

Syntax

(source-filtering | no-source-filtering);

Hierarchy Level

[edit interfaces interface-name aggregated-ether-options], [edit interfaces interface-name fastether-options], [edit interfaces interface-name gigether-options]

Release Information

Statement introduced before JUNOS Release 7.4.

Description

For aggregated Ethernet, Fast Ethernet, Gigabit Ethernet, and Gigabit Ethernet IQ interfaces only, enable the filtering of MAC source addresses, which blocks all incoming packets to that interface. To allow the interface to receive packets from specific MAC addresses, include the source-address-filter statement.

If the remote Ethernet card is changed, the interface will no longer be able to receive packets from the new card because it will have a different MAC address.

Default

Source address filtering is disabled.

Required Privilege Level

interface—To view this statement in the configuration.

interface-control—To add this statement to the configuration.


Published: 2010-04-20

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