Hi Manav et al,

When using 1588-over-Ethernet, each TC that modifies the CF also updates the 
Ethernet MAC SA to the address of the TC. This is because an 802.1 bridge that 
modifies a packet must update its source address to the bridge's address.

In draft-davari-tictoc-1588overmpls-01, when using 1588-over-PW, the LSR TCs 
update the CF in the passenger Ethernet packet. I am wondering whether the MAC 
SA of the passenger Ethernet packet must be updated in this case.
This issue applies also to 1588-over-IP-over-Ethernet-over-PW.

Regards,
Tal.


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