IS-IS uses periodic Hello messages to build and maintain the adjacency database for tracking connected routers. True or False?
Understand the Problem
The question is asking whether IS-IS uses periodic Hello messages to build and maintain the adjacency database for tracking connected routers. This is a networking concept.
Answer
True
True. IS-IS uses periodic Hello messages to build and maintain the adjacency database for tracking connected routers.
Answer for screen readers
True. IS-IS uses periodic Hello messages to build and maintain the adjacency database for tracking connected routers.
More Information
IS-IS Hello packets, also known as IS-IS Hello PDUs (IIH PDUs), are essential for establishing and maintaining adjacencies between routers in an IS-IS network. These packets are sent periodically to ensure continuous connectivity and quick network convergence when changes occur.
Tips
A common mistake is confusing IS-IS Hello messages with OSPF Hello messages. While both protocols use Hello messages for similar purposes, they are distinct protocols with different functionalities and configurations.
Sources
- IP Routing: ISIS Configuration Guide - Cisco - cisco.com
- IS-IS Overview | Junos OS - Juniper Networks - juniper.net
- Integrated IS-IS Routing Protocol Concepts - Cisco Press - ciscopress.com
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