Alcatel-Lucent 7750 SR OS Configuration Manual page 100

Configuration Commands
loopback
Syntax [no] loopback
Context config>router>interface ip-int-name
Description This command configures the interface as a loopback interface.
Default Not enabled
mac
Syntax mac ieee-mac-addr
no mac
Context config>router>interface ip-int-name
Description This command assigns a specific MAC address to an IP interface.
Only one MAC address can be assigned to an IP interface. When multiple mac commands are
entered, the last command overwrites the previous command.
A default MAC address for the interface is assigned by the system
The no form of the command returns the MAC address of the IP interface to the default value.
Default
IP interface has a system-assigned MAC address.
Parameters
ieee-mac-addr — Specifies the 48-bit MAC address for the IP interface in the form aa:bb:cc:dd:ee:ff
ntp-broadcast
Syntax [no] ntp-broadcast
Context config>router>interface ip-int-name
Description
This command enables SNTP broadcasts received on the IP interface.
This parameter is only valid when the SNTP broadcast-client global parameter is configured.
The no form of the command disables SNTP broadcast received on the IP interface.
Default
no ntp-broadcast - receipt of SNTP broadcasts is disabled.
port
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or aa-bb-cc-dd-ee-ff, where aa, bb, cc, dd, ee and ff are hexadecimal numbers. Allowed values
are any non-broadcast, non-multicast MAC and non-IEEE reserved MAC addresses.
7750 SR OS Router Configuration Guide