Tài liệu học CCNA kỳ 2 mod8 ICMP

... 17 2 .16 .12 2.204 10 1 011 00.00 010 000. 011 110 10 .11 0 011 00 255.255.0.0 11 111 111 .11 111 111 .00000000.00000000 17 2 .16 .0.0 10 1 011 00.00 010 010 .00000000.00000000 ã Converting the result to dotted decimal, 17 2 .16 .0.0 ... ã 10 .34.23 .13 4 000 010 10.0 010 0 010 .00 010 111 .10 00 011 0 255.0.0.0 11 111 111 .00000000.00000000.00000000 10 .0.0.0 000 010 10.00000000.0...

Ngày tải lên: 05/07/2015, 22:09

... data Data Encapsulation Example 010 010 10 010 010 010 011 1 010 010 0 011 010 00… Application Layer Layer 4: Transport Layer Layer 3: Network Layer Layer 2: Network Layer Layer 1: Physical Layer 24 NIIT-ICT ... History ã 19 70s: Small computer came into existence ã 19 83: TCP/IP become the universal language ã 19 84: Cisco founded; up to 10 00 Internet host ã 19 96: Number of Inter...

Ngày tải lên: 05/07/2015, 22:09

... Thicknet NIIT-ICT Hanoi info@niithanoi.vn 16 Cable Specifications ã 10 BASE2 speed of transmission at 10 Mbps – type of transmission is baseband – The 2, in 10 BASE2, represents the capability of ... interpreted – T stands for twisted pair 8 NIIT-ICT Hanoi info@niithanoi.vn 15 Cable Specifications ã 10 BASE5 speed of transmission at 10 Mbps – type of transmission is baseband – 5...

Ngày tải lên: 05/07/2015, 22:09

... through a modem or a CSU/DSU. EIA/TIA -23 2, EIA/TIA-449, V .24 , V.35, X .21 , G.703, EIA-530, ISDN, T1, T3, E1, and E3, xDSL, SONET (OC-3, OC- 12, OC-48, OC-1 92) , 9 NIIT-ICT Hanoi info@niithanoi.vn ... Layer Data Link Layer OSI model WAN Specifications SMDS X21 bis EIA/TIA -23 2 EIA/TIA-449 V24 V35 HSSI G.703 EIA-530 LAPB Frame Relay X25 PLP HDLC PPP SDLC MAC sublayer Network Laye...

Ngày tải lên: 05/07/2015, 22:39

... source. NIIT-ICT Hanoi info@niithanoi.vn 22 Router>show version Cisco Internetwork Operating System Software IOS (tm) 25 00 Software (C2500-D-L), Version 12. 0(5), RELEASE SOFTWARE (fc1) Copyright ... Version 11.0(10c)XB2, PLATFORM SPECIFIC RELEASE SOFTWARE (fc1) Router uptime is 49 minutes System restarted by reload System image file is "flash:c2500-d-l_ 120 -5.bin" cisco 25...

Ngày tải lên: 05/07/2015, 22:39

... domain-lookup Router#wreh Translating "wreh" domain server (25 5 .25 5 .25 5 .25 5) (Takes a few seconds) Translating "wreh" domain server (25 5 .25 5 .25 5 .25 5) (Takes a few seconds) Router(config)# no ip ... entries at 0x 624 000 00 bd_ptr=0x4000 pak=0x0F5704 ds=0x62FFB8 status=80 pak_size =22 RouterB#show controllers serial 0 buffer size 1 524 HD unit 0, V.35 DCE cab...

Ngày tải lên: 05/07/2015, 22:39

... 2 (CDPv2) is the most recent release of the protocol. Cisco IOS (Release 12. 0(3)T or later) supports CDPv2. ã CDP Version 1 (CDPv1) is enabled by default with Cisco IOS (Release 10.3 to 12. 0(3)T). 3 NIIT-ICT ... connections 2 NIIT-ICT Hanoi info@niithanoi.vn 3 Introduction to CDP ã Cisco Discovery Protocol (CDP) is a Layer 2 protocol that connects lower physical media and uppe...

Ngày tải lên: 05/07/2015, 22:40

... file is "flash:c2600-do3s-mz. 120 -5.T1" cisco 26 21 (MPC860) processor (revision 0x1 02) with 39936K/ 921 6K bytes of memory . Processor board ID JAB03 520 113 (24 8537 527 2) M860 processor: part ... Version 11.3 (2) XA4, RELEASE SOFTWARE (fc1) NoSmo-Gateway uptime is 5 weeks, 3 days, 20 hours, 33 minutes System returned to ROM by power-on System restarted at 13:30 :22 PST Thu M...

Ngày tải lên: 05/07/2015, 22:40

... 10.1.0.0 25 5 .25 5.0.0 1 72. 16.0 .2 RTB(config)#ip route 1 92. 168 .2. 0 25 5 .25 5 .25 5.0 1 72. 16.0.1 RTB(config)#ip route 10.1.0.0 25 5 .25 5.0.0 1 92. 168.1 .2 RTC(config)#ip route 1 92. 168 .2. 0 25 5 .25 5 .25 5.0 1 92. 168.1.1 RTC(config)#ip ... running-config 1 72. 16.0.0/16 1 92. 168.1.0 /24 .1 .1 .2 .2 RTA RTB RTC 1 92. 168 .2. 0 /24 .1 .1 10.1.0.0/16 s0 s0 s1s1e0 e0 RT...

Ngày tải lên: 05/07/2015, 22:40

... Next-hop Net. Hops Address 10.1 .2. 0 /24 1 10.1 .2. 2 10.1.3.0 /24 1 10.1 .2. 2 10.1.1.0 /24 2 10.1 .2. 2 Routing Table Net. Hops Ex-Int 10.1.1.0 /24 0 e0 10.1 .2. 0 /24 0 s0 10.1.3.0 /24 1 10.1 .2. 2 Routing Table Net. ... Address 10.1 .2. 0 /24 1 10.1 .2. 2 10.1.3.0 /24 1 10.1 .2. 2 Routing Table Net. Hops Ex-Int 10.1.1.0 /24 0 e0 10.1 .2. 0 /24 0 s0 10.1.3.0 /24 1 10.1 .2. 2 Routin...

Ngày tải lên: 05/07/2015, 22:40

... packet came from to Router R2 at 1 72. 16.1 .20 0. ã R1 forwards the packet to R2 and sends an ICMP redirect/change request to Host H telling it to use Router R2 at 1 72. 16.1.100 as the gateway ... gateway to a remote network NIIT-ICT Hanoi info@niithanoi.vn 18 ICMP Redirect Type = 5 Code = 0 to 3 ICMP Redirect 1 2 3 2 4 ã ICMP Redirect messages can only be sent by routers ã...

Ngày tải lên: 05/07/2015, 22:40

... for 1 92. 168 .2. 2. 1 92. 168.1.10 /24 0A-10 1 92. 168.4.10 /24 0B -20 RTA RTB RTC 1 92. 168.1.0 /24 1 92. 168 .2. 0 /24 1 92. 168.3.0 /24 1 92. 168.4.0 /24 e0 00-10 e0 0C -22 e0 0B-31 e1 00 -20 s0s0 .1 .1 .1 .1 .2 .2 Data ... Protocol” 1 92. 168.1.10 /24 0A-10 1 92. 168.4.10 /24 0B -20 RTA RTB RTC 1 92. 168.1.0 /24 1 92. 168 .2. 0 /24 1 92. 168.3.0 /24 1 92. 168.4.0 /24 e0 00-10...

Ngày tải lên: 05/07/2015, 22:40

... info@niithanoi.vn 21 13 121 110987654 321 13 121 110987654 321 13 121 110987654 321 13 121 110987654 321 13 121 110987654 321 1 2 3 ACK 4 4 5 13 121 110987654 321 13 121 110987654 321 ACK 6 Host B - ReceiverHost A - ... 6 Octets received NIIT-ICT Hanoi info@niithanoi.vn 20 13 121 110987654 321 13 121 110987654 321 13 121 110987654 321 13 121 110987654 321 13 121 110987654 321...

Ngày tải lên: 05/07/2015, 22:41

... Mask A. 25 5 .25 5 .25 5 .25 5 - 25 5 .25 5.0.0 = 0.0 .25 5 .25 5 B. 25 5 .25 5 .25 5 .25 5 - 25 5 .25 5 .25 5.0 = 0.0.0 .25 5 C. 25 5 .25 5 .25 5 .25 5 - 25 5 .25 5 .25 5.0 = 0.0.0 .25 5 D. 25 5 .25 5 .25 5 .25 5 - 25 5 .25 5 .24 0.0 = 0.0.15 .25 5 E. 25 5 .25 5 .25 5 .25 5 ... leaving the 1 72. 16.30.0 /24 network. 1 72. 16.10 .2/ 24 1 72. 16.10.3 /24 1 72. 16.30 .2/ 24 1 72. 16....

Ngày tải lên: 05/07/2015, 22:41

... 1 Module 8 – VLANs (Virtual LANs) CCNA 3 version 3. 1 Họcviệnmạng Cisco Bỏch Khoa - Website: www.ciscobachkhoa.com 2 Overview ã Define VLANs ã List the benefits of VLANs ã Explain how VLANs are used ... Control 7 Họcviệnmạng Cisco Bách Khoa - Website: www.ciscobachkhoa.com 13 Two VLANs y Two Subnets Switch 1 172 .30 .1.21 255.255.255.0 VLAN 1 172 .30 .2.10 255.255.255.0 VLAN 2...

Ngày tải lên: 05/07/2015, 22:53