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FAQ-What Is the Difference in Attributes of Static Route as Reject, Blackhole and Null

Publication Date:  2012-07-27 Views:  435 Downloads:  0

Issue Description

What is the difference in attributes of static route as Reject, Blackhole and Null?

Alarm Information

Null

Handling Process

1. If a static route to a destination is marked as "Reject", it is called unreachable route. Any IP packets to the destination will be discarded, and the source host will be informed that the destination is not reachable. 
2. If a static route to a destination is marked as "Blackhole", it is called unreachable route. Any IP packets to the destination will be discarded, but the source host will not be informed. 
3. Null interface is a virtual, to which the data packets will be discarded at once to reduce the load on system. 

Root Cause

Null

Suggestions

Null

END