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In a hierarchical routing system, an autonomous system (AS) has three routers: ASBR (Autonomous System Border Router), ABR1 (Area Border Router 1), and ABR2 (Area Border Router 2). ASBR connects to two areas: Area 1 and Area 2. ABR1 and ABR2 connect to Area 1 and Area 2 respectively. If ASBR receives routing updates from both areas, and ABR1 needs to forward packets to a destination in Area 2, which path will it choose?
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In a hierarchical routing system, an autonomous system (AS) has three ...
Path Selection in Hierarchical Routing System:
ASBR Routing Updates:
- ASBR receives routing updates from both Area 1 and Area 2.
- It maintains routing tables for both areas.
ABR1 Destination in Area 2:
- When ABR1 needs to forward packets to a destination in Area 2, it will choose the path through ASBR.
- Since ASBR is the border router connecting to both Area 1 and Area 2, it will have the most updated routing information for both areas.
- ABR1 will consult the routing table provided by ASBR to determine the best path to reach the destination in Area 2.
- The packets will be forwarded from ABR1 to ASBR, and then ASBR will route them to the destination in Area 2 based on the information it received from both areas.
Path Selection Process:
- ABR1 will use the routing information provided by ASBR to make forwarding decisions.
- It will select the path that offers the shortest distance, lowest cost, or best quality of service to reach the destination in Area 2.
- By relying on ASBR as the central point for routing updates from both areas, ABR1 ensures efficient and accurate packet forwarding within the hierarchical routing system.
Conclusion:
- In this scenario, ABR1 will choose the path through ASBR to forward packets to a destination in Area 2, leveraging the routing information maintained by ASBR for both areas.
ASBR Routing Updates:
- ASBR receives routing updates from both Area 1 and Area 2.
- It maintains routing tables for both areas.
ABR1 Destination in Area 2:
- When ABR1 needs to forward packets to a destination in Area 2, it will choose the path through ASBR.
- Since ASBR is the border router connecting to both Area 1 and Area 2, it will have the most updated routing information for both areas.
- ABR1 will consult the routing table provided by ASBR to determine the best path to reach the destination in Area 2.
- The packets will be forwarded from ABR1 to ASBR, and then ASBR will route them to the destination in Area 2 based on the information it received from both areas.
Path Selection Process:
- ABR1 will use the routing information provided by ASBR to make forwarding decisions.
- It will select the path that offers the shortest distance, lowest cost, or best quality of service to reach the destination in Area 2.
- By relying on ASBR as the central point for routing updates from both areas, ABR1 ensures efficient and accurate packet forwarding within the hierarchical routing system.
Conclusion:
- In this scenario, ABR1 will choose the path through ASBR to forward packets to a destination in Area 2, leveraging the routing information maintained by ASBR for both areas.
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In a hierarchical routing system, an autonomous system (AS) has three routers: ASBR (Autonomous System Border Router), ABR1 (Area Border Router 1), and ABR2 (Area Border Router 2). ASBR connects to two areas: Area 1 and Area 2. ABR1 and ABR2 connect to Area 1 and Area 2 respectively. If ASBR receives routing updates from both areas, and ABR1 needs to forward packets to a destination in Area 2, which path will it choose?
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In a hierarchical routing system, an autonomous system (AS) has three routers: ASBR (Autonomous System Border Router), ABR1 (Area Border Router 1), and ABR2 (Area Border Router 2). ASBR connects to two areas: Area 1 and Area 2. ABR1 and ABR2 connect to Area 1 and Area 2 respectively. If ASBR receives routing updates from both areas, and ABR1 needs to forward packets to a destination in Area 2, which path will it choose? for Computer Science Engineering (CSE) 2024 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Information about In a hierarchical routing system, an autonomous system (AS) has three routers: ASBR (Autonomous System Border Router), ABR1 (Area Border Router 1), and ABR2 (Area Border Router 2). ASBR connects to two areas: Area 1 and Area 2. ABR1 and ABR2 connect to Area 1 and Area 2 respectively. If ASBR receives routing updates from both areas, and ABR1 needs to forward packets to a destination in Area 2, which path will it choose? covers all topics & solutions for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In a hierarchical routing system, an autonomous system (AS) has three routers: ASBR (Autonomous System Border Router), ABR1 (Area Border Router 1), and ABR2 (Area Border Router 2). ASBR connects to two areas: Area 1 and Area 2. ABR1 and ABR2 connect to Area 1 and Area 2 respectively. If ASBR receives routing updates from both areas, and ABR1 needs to forward packets to a destination in Area 2, which path will it choose?.
In a hierarchical routing system, an autonomous system (AS) has three routers: ASBR (Autonomous System Border Router), ABR1 (Area Border Router 1), and ABR2 (Area Border Router 2). ASBR connects to two areas: Area 1 and Area 2. ABR1 and ABR2 connect to Area 1 and Area 2 respectively. If ASBR receives routing updates from both areas, and ABR1 needs to forward packets to a destination in Area 2, which path will it choose? for Computer Science Engineering (CSE) 2024 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Information about In a hierarchical routing system, an autonomous system (AS) has three routers: ASBR (Autonomous System Border Router), ABR1 (Area Border Router 1), and ABR2 (Area Border Router 2). ASBR connects to two areas: Area 1 and Area 2. ABR1 and ABR2 connect to Area 1 and Area 2 respectively. If ASBR receives routing updates from both areas, and ABR1 needs to forward packets to a destination in Area 2, which path will it choose? covers all topics & solutions for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In a hierarchical routing system, an autonomous system (AS) has three routers: ASBR (Autonomous System Border Router), ABR1 (Area Border Router 1), and ABR2 (Area Border Router 2). ASBR connects to two areas: Area 1 and Area 2. ABR1 and ABR2 connect to Area 1 and Area 2 respectively. If ASBR receives routing updates from both areas, and ABR1 needs to forward packets to a destination in Area 2, which path will it choose?.
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