The route target associated with the L2VPN service. This field must be set to a valid route target value to activate the Route Target Configuration table entry. (The default value of zero is not valid). In order to be a valid route target, the first two bytes of the field must indicate the type of the extended community. This should be one of the following. - 0x0002 to indicate a 2-byte AS-specific route target extended community. - 0x0102 to indicate an IPv4-address-specific route target extended community. - 0x0202 to indicate a 4-byte AS-specific route target extended community.