Alcatel-Lucent 7750 SR OS Service Manual page 467

Service router - mobile gateway

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The mac-move command enables the feature at the service level for SAPs and spoke SDPs, as only

those objects can be blocked by this feature. Mesh SDPs are never blocked, but their re-learn rates

(sap-to-mesh/spoke-to-mesh or vice versa) are still measured.

The operation of this feature is the same on the SAP and spoke SDP. For example, if a MAC address

moves from SAP to SAP, from SAP to spoke SDP, or between spoke SDPs, one will be blocked to

prevent thrashing. If the MAC address moves between a SAP and mesh SDP or spoke SDP and mesh

SDP combinations, the respective SAP or spoke SDP will be blocked.

The re-learn rate is computed as the number of times a MAC moves in a 5 second interval. Therefore,

the fastest a loop can be detected and broken is 5 seconds.

The no form of this command disables MAC move.

config>service>vpls

This command indicates whether or not this MAC is protected. When enabled, the agent will protect

the MAC from being learned or re-learned on a SAP that has restricted learning enabled.

Sample Output

A:ALA-48# show service id <service-id> mac-protect

===============================================================================

Mac Protection

===============================================================================

-------------------------------------------------------------------------------

No. of MAC Entries: 1

===============================================================================

[no] mac ieee-address

config>service>vpls>mac-protect

This command adds a protected MAC address entry.

ieee-address — Specifies the 48-bit MAC address in the form aa:bb:cc:dd:ee:ff or aa-bb-cc-dd-ee-ff

7750 SR OS Services Guide

aa:aa:aa:aa:aa:ab

where aa, bb, cc, dd, ee, and ff are hexadecimal numbers.

Virtual Private LAN Services