Advanced OSPF Concepts Flashcards
1
Q
What is OSPF route summarization?
A
The process of advertising a single summary route instead of multiple individual routes
2
Q
Where can OSPF summarization be configured?
A
On ABRs (for inter-area) and ASBRs (for external routes)
3
Q
What is the purpose of OSPF Virtual Links?
A
To connect a non-backbone area to Area 0 when direct connectivity is not possible
4
Q
How is an OSPF Virtual Link configured?
A
Using the area <id> virtual-link <router-id> command</router-id></id>
5
Q
What is OSPF Fast Convergence?
A
The ability of OSPF to quickly adapt to network changes using incremental SPF calculations
6
Q
What is OSPF Sham Link?
A
A link used in MPLS VPN environments to force OSPF traffic through an MPLS backbone
