Uploading User Lists If Mbu 400S Connected To The Aastralink Pro - Aastra AastraLink Pro 160 Administrator's Manual

Aastra telecom network device administrator guide
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Uploading User Lists if MBU 400s Connected to the AastraLink Pro

If you have an MBU 400 connected to the AastraLink Pro, the 420d handsets are
DECT devices, and therefore, do not have real MAC addresses. The AastraLink
displays the MAC addresses for 420d handsets as follows:
02:08:7B:XX:YY:ZZ
where
02 - is used for the first octet to indicate that the MAC address is locally
XX - becomes the hex representation of the MBU that the handset is registered to
YY - becomes the hex representation of the handset ID
ZZ - is the real value (final octet of the owning MBU)
*Note: A Locally Administered address is an IEEE 802.3 EUI-64 MAC which
41-001190-02 Rev. 01, Rel. 1.2
administered*
has the second least-significant bit of the most significant byte set to 1.
For this purpose, 02 is used in the MBU/420d virtual MAC address, to
ensure that it never conflicts with a real Universally Administered
Ethernet MAC address (i.e. another manufacturer etc). See the following
illustration for more detail.
Configuring Aastra IP Phone Accounts
Managing IP Phone Users
3-37

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