network interface card layer 2

... 4 .25 " x 9.09" (3.94 cm x 10.8 cm x 23 .1 cm) Weight 1.8 lb. (0.81 kg.) ELECTRICAL Network Interface RJ45 Network Data Rates Configurable to 10Mbps, 100Mbps or 1000Mbps Customer Interface ... n Specifications POWER Voltage –48VDC, or 110 to 24 0VAC Input Current 25 0 mA maximum Fuse Size 1 Amp ENVIRONMENTAL Operating Conditions +23 °F to + 122 °F (–5°C to +50°C) 5% to 90% RH Storage ... 5 1000Mbps UTP Category 5e Distance 328 feet (100 meters) OPTICAL Network Interface LX, SX, ZX SFP-based Network Data Rates Gigabit Ethernet Customer Interface LX, SX, ZX SFP-based Customer...

Ngày tải lên: 21/12/2013, 07:18

... be Global Headquarters: 5 Speen Street Framingham, MA 01701 USA P.508.8 72. 820 0 F.508.935.4015 www.idc.com 20 09 IDC #22 0916 3 T h e C u r r e n t S t a t e o f E n t e r p r i s e S e c u ... external usage for any reason. Copyright 20 09 IDC. Reproduction without written permission is completely forbidden. 20 09 IDC #22 0916 5 New, multilayered security architectures are raising ... evaded perimeter security measures  Network access control by continually monitoring endpoint network activity beyond initial access checks. 4 #22 0916 20 09 IDC E n t e r p r i s e C h...

Ngày tải lên: 28/03/2014, 22:20

... router 22 3.1.1.1 22 3.1.1 .2 223 .1.1.3 22 3.1.1.4 22 3.1 .2. 9 22 3.1 .2. 2 22 3.1 .2. 1 22 3.1.3 .2 223 .1.3.1 22 3.1.3 .27 network consisting of 3 subnets subnet Network Layer 4-5 Two Key Network- Layer Functions ❒ forwarding: ... chapter) Network Layer 4-14 Forwarding table 12 22 32 1 2 3 VC number interface number Incoming interface Incoming VC # Outgoing interface Outgoing VC # 1 12 3 22 2 63 1 18 3 7 2 17 1 97 3 ... outgoing link Network Layer 4-11 Network layer connection and connection-less service ❒ datagram network provides network- layer connectionless service ❒ VC network provides network- layer connection...

Ngày tải lên: 12/09/2012, 15:06

... sub -network. - 194. 12. 230.0 /25 5 .25 5 .25 5.1 92 Administrative sub network address range: 194. 12. 230.1 (00 000001) has 194. 12. 230. 62 (00 111110) - Engineers in 194. 12. 230.64 /25 5 .25 5 .25 5.1 92 network ... 194. 12. 230.65 (01 000001) has 194. 12. 230. 126 (01 111110) - Commercial network in 194. 12. 230. 128 /25 5 .25 5 .25 5.1 92 address range: 194. 12. 230. 129 (10 000001) has 194. 12. 230.190 (01 111 110) - 194. 12. 230.1 92/ 255 .25 5 .25 5.1 92 ... 194. 12. 230.190 (01 111 110) - 194. 12. 230.1 92/ 255 .25 5 .25 5.1 92 in interconnection network address range: 194. 12. 230.193 (10 000001) has 194. 12. 230 .25 4 (01 111110) 4. Trace a network diagram of the company...

Ngày tải lên: 17/09/2012, 09:13

... hop addresses and packet forwarding to a destination network Network Layer Fields Học viện mạng Bách khoa - Website: www.bkacad.com 22 ã 32 bits ã Specifies the sending node IP address IP packet ... Indicates datagram header length in 32 bit words Network Layer Fields Học viện mạng Bách khoa - Website: www.bkacad.com 20 ã 8 bits ã Indicates which upper -layer protocol, such as TCP(6) or UDP(17), ... into Networks ã Reasons for grouping devices into sub-networks and define several terms used to identify the sub-networks – Geographic Học viện mạng Bách khoa - Website: www.bkacad.com 27 Network...

Ngày tải lên: 22/12/2013, 13:17

... 10. 122 .0 .26 25 5 .25 5 .25 5 .25 4 . . . ip hello-interval eigrp 100 1 ip hold-time eigrp 100 3 . . . interface TenGigabitEthernet2/1 description 10 GigE to Core 1 ip address 10. 122 .0 .27 25 5 .25 5 .25 5 .25 4 . ... Descriptor Blocks: * 10. 122 .0. 32, from 10. 122 .1 02. 2, 02: 54:37 ago, via TenGigabitEthernet3 /2 Route metric is 11, traffic share count is 1 10. 122 .0 .26 , from 10. 122 .1 02. 1, 02: 54:37 ago, via TenGigabitEthernet3/1 ... address 10. 120 .0.196 25 5 .25 5 .25 5 .25 4 interface GigabitEthernet1/1 description Access Uplink ip address 10. 120 .0.197 25 5 .25 5 .25 5 .25 4 Note For more information on /31 addressing, see RFC 3 021 at the...

Ngày tải lên: 24/01/2014, 10:20

... Canberra 20 13 Canberra, AU Mar 18, 20 13 - Mar 23 , 20 13 Live Event SANS Monterey 20 13 Monterey, CAUS Mar 22 , 20 13 - Mar 27 , 20 13 Live Event SANS Abu Dhabi 20 13 Abu Dhabi, AE Mar 23 , 20 13 - Mar 28 , 20 13 ... Singapore 20 13 Singapore, SG Feb 25 , 20 13 - Mar 02, 20 13 Live Event SANS South Africa 20 13 Johannesburg, ZA Mar 04, 20 13 - Mar 09, 20 13 Live Event SANS 20 13 Orlando, FLUS Mar 08, 20 13 - Mar 15, 20 13 ... Feb 17, 20 13 - Feb 23 , 20 13 Live Event SANS Belgium 20 13 Brussels, BE Feb 18, 20 13 - Feb 23 , 20 13 Live Event RSA Conference 20 13 San Francisco, CAUS Feb 24 , 20 13 - Feb 25 , 20 13 Live Event SANS...

Ngày tải lên: 05/03/2014, 21:20

... IPv4 is 2 32 or 4 ,29 4,967 ,29 6. Note 19.16 Table 19 .2 Default masks for classful addressing 19.3 An IPv4 address is 32 bits long. Note 19.50 An IPv6 address is 128 bits long. Note 19. 42 Figure ... group, each customer needs 128 addresses. This means that 7 (log2 128 ) bits are needed to define each host. The prefix length is then 32 − 7 = 25 . The addresses are 19 .27 Another way to find the ... addresses were wasted. Note 19 .26 Find the number of addresses in Example 19.6. Example 19.8 Solution The value of n is 28 , which means that number of addresses is 2 32 28 or 16. 19.10 Find the...

Ngày tải lên: 06/03/2014, 12:20

... 8 ì 4, or 32 bytes. The first 20 bytes are the base header, the next 12 bytes are the options. Example 20 .2 20 .41 Table 20 .6 Next header codes for IPv6 20 .1 Chapter 20 Network Layer: Internet ... section: 20 .5 Figure 20 .3 Network layer at the source, router, and destination 20 .25 Figure 20 .9 Maximum transfer unit (MTU) 20 .44 Table 20 .9 Comparison between IPv4 and IPv6 packet headers 20 .35 Figure ... fragmentation offset). Example 20 .6 20 .48 Figure 20 .18 Three transition strategies 20 .6 Figure 20 .3 Network layer at the source, router, and destination (continued) 20 .19 Figure 20 .8 Protocol field and...

Ngày tải lên: 06/03/2014, 12:20

... shown. Example 21 .4 (continued) 21 .44 Figure 21 .21 Mapping class D to Ethernet physical address 21 .41 Figure 21 .20 Encapsulation of IGMP packet 21 .34 Table 21 .1 IGMP type field 21 .13 21 -2 ICMP 21 -2 ICMP The ... for 22 8. 42. 0.0. 21 .35 Figure 21 .18 IGMP operation 21 .18 Figure 21 .10 Contents of data field for the error messages 21 .21 Figure 21 .13 Encapsulation of ICMP query messages 21 .31 21 -3 IGMP 21 -3 ... interface. Example 21 .9 21 .40 Figure 21 .19 Example 21 .6 21 . 42 The IP packet that carries an IGMP packet has a value of 1 in its TTL field. Note 21 .49 Figure 21 .22 Tunneling 21 .16 Figure 21 .9 Error-reporting...

Ngày tải lên: 06/03/2014, 12:20

... 22 .31 Figure 22 .15 Initialization of tables in distance vector routing 22 .18 Figure 22 .8 Longest mask matching 22 .34 Figure 22 .17 Two-node instability 22 .27 22 -3 UNICAST ROUTING ... section: 22 .37 Figure 22 .20 Concept of link state routing 22 .28 Figure 22 . 12 Autonomous systems 22 .10 Make a routing table for router R1, using the configuration in Figure 22 .6. Example 22 .1 Solution Table ... are passed to ARP for further processing. 22 .45 Figure 22 .27 Transient link 22 .36 Figure 22 .19 Example of a domain using RIP 22 .4 22 -2 FORWARDING 22 -2 FORWARDING Forwarding means to place the...

Ngày tải lên: 06/03/2014, 12:20

... (2) rtPs 0. 32 Mbps with 30 ms max. delay (2) rtPs 0.16 Mbps with 20 ms max. delay (2) nrtPs 0.5 Mbps (2) ; 0.7 Mbps (2) ; 0.9 Mbps (2) ; 1.1 Mbps (2) BE 0.6 Mbps (2) ; 0.8 Mbps (2) ; 1.0 Mbps (2) Table ... Wireless Communications and Networking 20 11, 20 11 :28 http://jwcn.eurasipjournals.com/content /20 11/1 /28 Page 5 of 10 modulation level, is 28 8 (i.e., (21 6 - 1 92) ì 12) bits. The value of Cost DL_MAP is ... numbers: NSC 97 -22 21-E-008-033, and NSC 98 -22 21- E-008-063). Competing interests The authors declare that they have no competing interests. Received: 21 December 20 10 Accepted: 5 July 20 11 Published:...

Ngày tải lên: 21/06/2014, 02:20

... Communications and Networking Volume 20 10, Article ID 693158, 2 pages doi:10.1155 /20 10/693158 Editorial Physical -Layer Network Coding for Wireless Cooperative Networks Wen Chen , 1 Xiaodai Dong, 2 Ping yi ... wireless cooperative networks. Network coding may be implemented in the network layer, media/multiple access (MAC) layer, or the physical layer. Specifically, physical -layer network coding (PLNC) encompasses ... nmark Correspondence should be addressed to Wen Chen, wenchen@sjtu.edu.cn Received 28 October 20 10; Accepted 28 October 20 10 Copyright â 20 10 Wen Chen et al. This is an open access article distributed under...

Ngày tải lên: 21/06/2014, 11:20

... Kyriazakos, 20 08). In single SC networks the assessment of CAC schemes with regard to their failure probabilities is focused on handoff prioritization (Fang & Zhang, 20 02; Yavuz & Leung, 20 06). ... Kyriazakos, 20 08). In single SC networks the assessment of CAC schemes with regard to their failure probabilities is focused on handoff prioritization (Fang & Zhang, 20 02; Yavuz & Leung, 20 06). ... chapters related to Network Aspects and Applications of Ad Hoc, Sensor and Mesh Networks. In this section, the network layer design in cellular, ad hoc, sensor and mesh networks for specic...

Ngày tải lên: 21/06/2014, 14:20

... will receive its packets (the first one will 2n-1 2n 2n+1 2n +2 Phase I 2n-1 2n 2n+1 2n +2 Phase II re c co u st a se c su b a n ) de Fi g 3. 2 T h h o vi r a w in t w i O t M o R e h o de co n th u th e li m n u di s Fi g ... will receive its packets (the first one will 2n-1 2n 2n+1 2n +2 Phase I 2n-1 2n 2n+1 2n +2 Phase II re c co u st a se c su b a n ) de Fi g 3. 2 T h h o vi r a w in t w i O t M o R e h o de co n th u th e li m n u di s Fi g ... Using Wireless Sensor Networks", Proceedings of Information Processing in Sensor Networks, 20 07. IPSN 20 07. 6th International Symposium on, pp. 25 4 -26 3, 25 -27 April 20 07. Jawhar, I.; Mohamed,...

Ngày tải lên: 21/06/2014, 14:20

Ngày tải lên: 21/06/2014, 14:20

Ngày tải lên: 21/06/2014, 14:20

Ngày tải lên: 21/06/2014, 14:20

Ngày tải lên: 21/06/2014, 14:20

Ngày tải lên: 21/06/2014, 14:20