If the Open message sent from a BGP speaker has the GR capability field but no field, the BGP speaker has no backup forwarding table. Such a BGP speaker functions as only the GR helper to help its neighbors complete the GR process.

Question

If the Open message sent from a BGP speaker has the GR capability field but no <AFI, SAFI> field, the BGP speaker has no backup forwarding table. Such a BGP speaker functions as only the GR helper to help its neighbors complete the GR process.

Quizplus · Accepted Answer

The absence of the <AFI, SAFI> field in the GR capability indicates that the BGP speaker does not support any specific address families for GR, implying it cannot maintain a backup forwarding table and can only act as a GR helper.

If the Open Message Sent from a BGP Speaker Has