Alcatel-Lucent 7750 Configuration Manual page 516

Interfaces
Description This command adds a text description for the eth-tunnel.
The no form of this command removes the text description.
Default "Eth-tunnel"
Parameters string — Specifies the text description up to 160 characters in length.
ethernet
Syntax ethernet
Context config>eth-tunnel
Description This command is the node where Ethernet parameters can be configured.
encap-type
Syntax encap-type {dot1q|qinq}
no encap-type
Context config>eth-tunnel>ethernet
Description This command configures the encapsulation method.
Parameters dot1q — Specifies dot1q encapsulation.
qinq — Specifies qinq encapsulation.
mac
Syntax [no] mac ieee-address
Context config>eth-tunnel>ethernet
Description This command assigns a specific MAC address to an Ethernet port, Link Aggregation Group (LAG), Ether-
net tunnel or BCP-enabled port or sub-port. Only one MAC address can be assigned to a port. When multi-
ple mac commands are entered, the last command overwrites the previous command. When the command is
issued while the port is operational, IP will issue an ARP, if appropriate, and BPDUs are sent with the new
MAC address.
The no form of this command returns the MAC address to the default value.
Default A default MAC address is assigned by the system from the chassis MAC address pool.
hold-time
Syntax hold-time
Page 516 7750 SR Interface Configuration Guide