cu u du o ng th Building a Simple Network an co ng c om Understanding the Host-to-Host Communications Model © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1-1 an co ng c om Understanding Host-to-Host Communications th Older model ng – Proprietary u du o – Application and combinations software controlled by one vendor cu Standards-based model – Multivendor software – Layered approach © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1-2 .c om Why a Layered Network Model? ng Reduces complexity co Standardizes interfaces an Facilitates modular engineering Accelerates evolution Simplifies teaching and learning cu u du o ng th Ensures interoperable technology © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1-3 cu u du o ng th an co ng c om The Seven Layers of the OSI Model © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1-4 cu u du o ng th an co ng c om The Seven Layers of the OSI Model (Cont.) © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1-5 cu u du o ng th an co ng c om The Seven Layers of the OSI Model (Cont.) © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1-6 cu u du o ng th an co ng c om The Seven Layers of the OSI Model (Cont.) © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1-7 cu u du o ng th an co ng c om The Seven Layers of the OSI Model (Cont.) © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1-8 cu u du o ng th an co ng c om The Seven Layers of the OSI Model (Cont.) © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1-9 cu u du o ng th an co ng c om The Seven Layers of the OSI Model (Cont.) © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1-10 .c om ng co an th ng du o u cu © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1-54 .c om ng co an th ng du o u cu © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1-55 .c om ng co an th ng du o u cu © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1-56 .c om ng co an th ng du o u cu © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1-57 .c om ng co an th ng du o u cu © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1-58 .c om ng co an th ng du o u cu © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1-59 .c om ng co an th ng du o u cu © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1-60 .c om ng co an th ng du o u cu © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1-61 .c om ng co an th ng du o u cu © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1-62 .c om ng co an th ng du o u cu © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1-63 .c om ng co an th ng du o u cu © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1-64 .c om ng co an th ng du o u cu © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1-65 .c om ng co an th ng du o u cu © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1-66 .c om ng co an th ng du o u cu © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1-67 .c om ng co an th ng du o u cu © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1-68 ... Host- to -Host Packet Delivery (21 of 22) © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1 -44 cu u du o ng th an co ng c om Host- to -Host. .. Host- to -Host Packet Delivery (4 of 22) © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1-27 cu u du o ng th an co ng c om Host- to -Host. .. Host- to -Host Packet Delivery (11 of 22) © 2007 Cisco Systems, Inc All rights reserved CuuDuongThanCong.com https://fb.com/tailieudientucntt ICND1 v1.0—1- 34 cu u du o ng th an co ng c om Host- to- Host