ETHERNET LAN SWITCHING · 2013-05-14 · COLLISION/BROADCAST DOMAIN . DATA FLOW . NETWORK SEGMENTS...
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ETHERNET LAN SWITCHING CET4773 | SPRING 2013 | FINAL EXAM REVIEW | DR. MENDOZA
Transcript of ETHERNET LAN SWITCHING · 2013-05-14 · COLLISION/BROADCAST DOMAIN . DATA FLOW . NETWORK SEGMENTS...
ETHERNET LAN SWITCHING
CET4773 | SPRING 2013 | FINAL EXAM REVIEW | DR. MENDOZA
LAN SWITCHING CONCEPTS
ETHERNET LAN SWITCHING
OBJECTIVES
LAN Switching Concepts • Layer 2 Bridging • Layer 2 Switching • Spanning Tree Protocol • Switch Modes
From CCENT/CCNA ICND1 640-822 Official Cert Guide, Third Edition by Wendell Odom, CCIE No. 1624 (ISBN: 1587204258) Copyright© 2012 Pearson Education, Inc.
Figure 7-1 10BASE2 and 10BASE-T (with a Hub) Physical Topologies
From CCENT/CCNA ICND1 640-822 Official Cert Guide, Third Edition by Wendell Odom, CCIE No. 1624 (ISBN: 1587204258) Copyright© 2012 Pearson Education, Inc.
Figure 7-2 Bridge Creates Two Collision Domains and Two Shared Ethernets
LAYER 2 BRIDGING
THE BRIDGE TABLE
00000CAAAAAA 00000CBBBBBB
PING
00000CAAAAAA 1
THE BRIDGE TABLE
00000CBBBBBB 00000CAAAAAA
PING REPLY
00000CAAAAAA 1 00000CBBBBBB 1
THE BRIDGE TABLE
From CCENT/CCNA ICND1 640-822 Official Cert Guide, Third Edition by Wendell Odom, CCIE No. 1624 (ISBN: 1587204258) Copyright© 2012 Pearson Education, Inc.
Figure 7-3 Switch Creates Four Collision Domains and Four Ethernet Segments
LAYER 2 SWITCHING
From CCENT/CCNA ICND1 640-822 Official Cert Guide, Third Edition by Wendell Odom, CCIE No. 1624 (ISBN: 1587204258) Copyright© 2012 Pearson Education, Inc.
Figure 7-4 Sample Switch Forwarding and Filtering Decision
From CCENT/CCNA ICND1 640-822 Official Cert Guide, Third Edition by Wendell Odom, CCIE No. 1624 (ISBN: 1587204258) Copyright© 2012 Pearson Education, Inc.
Figure 7-5 Sample Switch Filtering Decision
From CCENT/CCNA ICND1 640-822 Official Cert Guide, Third Edition by Wendell Odom, CCIE No. 1624 (ISBN: 1587204258) Copyright© 2012 Pearson Education, Inc.
Figure 7-6 Switch Learning: Empty Table and Adding Two Entries
From CCENT/CCNA ICND1 640-822 Official Cert Guide, Third Edition by Wendell Odom, CCIE No. 1624 (ISBN: 1587204258) Copyright© 2012 Pearson Education, Inc.
Figure 7-7 Network with Redundant Links But Without STP: The Frame Loops Forever
SPANNING TREE PROTOCOL (STP)
SWITCH MODES
Latency vs. Reliability
LAN DESIGN CONSIDERATIONS
ETHERNET LAN SWITCHING
OBJECTIVES
LAN Design Considerations • Shared Media • Collision Domains and Broadcast Domains • Layer 1, 2 and 3 devices • Data Flow • Network Segmentation
SHARED MEDIA
LAYERS 1, 2, AND 3 DEVICES USED TO CREATE COLLISION DOMAINS AND BROADCAST DOMAINS
From CCENT/CCNA ICND1 640-822 Official Cert Guide, Third Edition by Wendell Odom, CCIE No. 1624 (ISBN: 1587204258) Copyright© 2012 Pearson Education, Inc.
Figure 7-8 Collision Domains
From CCENT/CCNA ICND1 640-822 Official Cert Guide, Third Edition by Wendell Odom, CCIE No. 1624 (ISBN: 1587204258) Copyright© 2012 Pearson Education, Inc.
Figure 7-9 Broadcast Domains
COLLISION/BROADCAST DOMAIN
DATA FLOW
NETWORK SEGMENTS
SUMMARY UNTIL THIS POINT LAN Switching Concepts
• Layer 2 Bridging • Layer 2 Switching • Spanning Tree Protocol • Switch Modes
LAN Design Considerations
• Shared Media • Collision Domains and Broadcast Domains • Layer 1, 2 and 3 devices • Data Flow • Network Segmentation
