3. Consider the arrangement of learning bridges shown in the following figure: B1 C sends to A. C sends to D. A sends to D. B3 B2 B4 Assuming all are initially empty, give the forwarding tables for each of the bridges B1 to B4 after the following transmissions: Identify ports with the unique neighbor reached directly from that port; that is, the ports for B1 are to 1 1 5 22 1 HD21

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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**Problem 3: Network Bridges Forwarding Table**

Consider the arrangement of learning bridges shown in the following figure:

The diagram consists of nodes connected by bridges. The nodes are labeled as follows:
- Node A is connected to Bridge B1.
- Node C is connected to Bridge B3.
- Node D is connected to Bridge B4.
- Bridge B2 connects directly to Bridges B3, B4, and B1.

Assuming all forwarding tables are initially empty, determine the forwarding tables for each of the bridges (B1 to B4) after the following transmissions:

1. C sends to A.
2. C sends to D.
3. A sends to D.

**Task:** 
Identify ports with the unique neighbor that is reached directly from that port. For example, for Bridge B1, label the ports as "A" and "B2" based on direct connections.
Transcribed Image Text:**Problem 3: Network Bridges Forwarding Table** Consider the arrangement of learning bridges shown in the following figure: The diagram consists of nodes connected by bridges. The nodes are labeled as follows: - Node A is connected to Bridge B1. - Node C is connected to Bridge B3. - Node D is connected to Bridge B4. - Bridge B2 connects directly to Bridges B3, B4, and B1. Assuming all forwarding tables are initially empty, determine the forwarding tables for each of the bridges (B1 to B4) after the following transmissions: 1. C sends to A. 2. C sends to D. 3. A sends to D. **Task:** Identify ports with the unique neighbor that is reached directly from that port. For example, for Bridge B1, label the ports as "A" and "B2" based on direct connections.
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