Learn about the two key types of SIDs used in segment routing – node SIDs and adjacency SIDs. Understand their roles in enabling efficient routing for JNCIS-SP JN0-363 certification.
Table of Contents
Question
What are two types of SIDs used in segment routing? (Choose two.)
A. node
B. link
C. interface
D. adjacency
Answer
A. node
D. adjacency
Explanation
In segment routing, two key types of Segment Identifiers (SIDs) are used:
- Node SIDs: These SIDs uniquely identify a node (router) in the network. They are globally significant within the SR domain and are used to direct traffic along the shortest path to a specific node. Node SIDs enable efficient routing to a particular destination node.
- Adjacency SIDs: These SIDs represent a specific link or adjacency between two nodes in the network. They are locally significant and are used to direct traffic over a specific link or interface. Adjacency SIDs allow for fine-grained control over the path taken by traffic between nodes.
Link SIDs and interface SIDs are not commonly used terms in the context of segment routing. The two primary types of SIDs are node SIDs and adjacency SIDs, which provide the necessary functionality for efficient routing and path control in segment routing networks.
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