The value of the object sapTlsMacPinning specifies whether
or not MAC address pinning is active on this SAP. The
value will be set by default to disabled. However for a
SAP that belongs to a residential SHG, the value is set to
enabled by the system, and cannot be altered by the
operator. Setting the value to enable disables
re-learning of MAC addresses on other SAPs or
spoke-SDPs within the same VPLS; the MAC address will
hence remain attached to the SAP for the duration of
its age-timer. This object has effect only for MAC
addresses learned via the normal MAC learning
process, and not for entries learned via DHCP.