There are usually no restrictions on making additional repayments on the variable part of your loan. (moneysmart.gov.au)
Consolidation loans from the federal government are eligible for additional repayment plans, including graduated repayment plans and income sensitive repayment plans. (studentloans.com)
Learn more about additional repayment benefits available for your federal and / or private loans due to your military service. (aspireservicingcenter.com)