basic concepts internetworks routers and addresses
Cisco Router Configuration Handbook docx
... command syntax and command choices at any user prompt www.it-ebooks.info Cisco Router Configuration Handbook A history of IOS commands executed can be kept Command lines can also be edited and ... parameter, type the command and its options normally, as in command To disable a command that is in effect, begin the command with no, followed by the command You can see the commands that are in effect ... show running-config command Note that some commands and parameters are set by default and are not shown as literal command lines in the configuration listing Commands and their options can also...
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Cisco Router Configuration Handbook pot
... command syntax and command choices at any user prompt www.it-ebooks.info Cisco Router Configuration Handbook A history of IOS commands executed can be kept Command lines can also be edited and ... parameter, type the command and its options normally, as in command To disable a command that is in effect, begin the command with no, followed by the command You can see the commands that are in effect ... show running-config command Note that some commands and parameters are set by default and are not shown as literal command lines in the configuration listing Commands and their options can also...
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Tài liệu Enhanced Interior Gateway Routing Protocol (EIGRP) pptx
... finite-state machine, and protocol-dependent modules Neighbor discovery/recovery is used by routers to dynamically learn about other routers on their directly attached networks Routers also must ... IGRP uses the following packet types: hello and acknowledgment, update, and query and reply Hello packets are multicast for neighbor discovery/recovery and not require acknowledgment An acknowledgment ... neighboring routers The protocol-dependent modules populate the table, and the table is acted on by the DUAL finite-state machine Each entry in the topology table includes the destination address and...
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Tài liệu Hybrid: Enhanced Interior Gateway Routing Protocol (EIGRP) pptx
... default bandwidth of a 56-kbps interface and a T1 interface is 1544 kbps To accurately adjust the bandwidth, use the bandwidth kbps interface subcommand Table 11-1 highlights some common bandwidth ... broadcasts The bandwidth always should be set on Frame Relay networks The bandwidth can be changed with the bandwidth kilobits interface command Later sections in the chapter cover bandwidth and summarizing ... ethernet command under EIGRP for the mexico_1 and usa_1 routers Example 11-15 lists the configuration thus far for the mexico_1 and usa_1 routers For more information on the IGRP and OSPF configuration...
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Tài liệu Enhanced Interior Gateway Routing Protocol ppt
... đặc trưng làm EIGRP tốn bandwidth distance vector protocol Do EIGRP chạy đường truyền có bandwidth thấp Không mà đường truyền bandwidth thấp ta điều chỉnh số phần trăm bandwidth dành cho định tuyến ... đổi quan hệ với neighbor router Trong hầu hết mạng Hello packet multicast với chu kỳ giầy trừ random timer để ngăn chặn synchronization Chú ý interface: X.25, Frame Relayvà ATM với tốc độ access...
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Interior Gateway Routing Protocol (IGRP)
... phần sau: bandwidth, delay, load, reliability Mặc định metric bandwidth delay, bạn tưởng tượng liên kết liệu (data link) ống bandwidth chiều rộng ống delay chiều dài ống Nói cách khác bandwidth ... Trường Sơn + Bandwidth: biểt diễn với đơn vị kbps, thông số sử dụng để IGRP sử dụng để chạy thuật toán Bellman-Ford Nó thông số tĩnh thay đổi người quản trị không liên quan đến bandwidth thật ... người quản trị không liên quan đến bandwidth thật đường truyền BW = [10000000/(bandwidth in Kbps)] + Delay: giống bandwidth thông số tĩnh cấu hình tay Delay = [Delay in 10s of microseconds] + Reliability:...
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Tài liệu HSRP – Hot Standby Routing Protocol ppt
... screen with the ping results as you disconnect and reconnect the East and West routers What you observe? 11 Now a show standby command: West#sh standby FastEthernet0/0 - Group Local state is Active, ... preempt command: West(config)#int fa0/0 West(config-if)#standby priority 150 preempt West(config)#int fa0/1 West(config-if)#standby priority 150 preempt 13 Do a show standby and a show standby brief ... disconnected and reconnected to the network Disconnect West router: 09:26:26:%STANDBY-6-STATECHANGE: Standby: 0: FastEthernet0/0 state Active-> Init 09:26:26:%STANDBY-6-STATECHANGE: Standby: 0:...
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Tài liệu Choose Routing Protocol pptx
... • Routers D, H, I – Area DDDD • Routers E, J, K – Area EEEE • Routers F, L, M – Area FFFF • Routers G, N, O – Area 0006 • Routers A, B, C – Area ABC The Access routers, H and I, J and K, L and ... with the L1 routers in their area, and also with routers in other areas The Core routers, A, B, and C can be just L2 routers, as they will only form adjacencies with each other and with routers in ... K, L and M, and N and O will be L1 routers They will form adjacencies with each other and with the L1/1 router in their area The Distribution routers, D, E, F, and G will be L1/2 routers They...
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CIS 185 Advanced Routing Protocols EIGRP Part 2 pot
... sites and are linked to the Pnetwork via Customer Edge routers (CE -routers) The CE -routers are connected to the PE -routers (Provider Edge routers) The core devices in the provider network (P -routers) ... Links 48 The bandwidth-percent command ip bandwidth-percent eigrp as-number percent interface serial 0/0/0 bandwidth 56 ip bandwidth-percent eigrp 209 75 The bandwidth-percent command configures ... enabled with the same AS number on both routers network command includes the interface toward the PE router (PE1 and PE2) over which the routers R1 and R2 will form their neighbor relationship...
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Media Gateway control protocol architecture and requirements Nancy Greene, Michael A. Ramalho, Brian Rosen pdf
... commands as optional (they can be ignored) or mandatory (the command must be rejected), and within a command, to specify parameters as optional (they can be ignored) or mandatory (the command ... specify: a ingress and egress coding (i.e the way packets coming in and out are encoded) (including encryption) b near and far-end ports and other session parameters for RTP and RTCP The protocol ... Support detection and recovery from loss of synchronized view of resource and connection states between MGCs and MGs (e.g through the use of audits) c Provide a means for MGC and MG to provide...
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Báo cáo hóa học: " A scalable multi-sink gradient-based routing protocol for traffic load balancing" pot
... periodic traffic and aperiodic event-driven traffic are generated from sensor nodes • Position of sinks and sensor nodes: The sinks and sensor nodes are randomly placed, and all sinks and sensor nodes ... Equations and 6, b is a weighting factor of both parameters and ranges between and In Section IV B, we will investigate the impact of b on the GLOBAL’s performance using ns-2 simulation and introduce ... sensor node A, hcnt, sum_redr, and max_redr carry 2, REDRA + REDRB and max(REDRA, REDRB), respectively REDRA and REDRB represent the REDR values of sensor nodes A and B, respectively • hcnt: The...
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Báo cáo hóa học: " Research Article Impact of LQI-Based Routing Metrics on the Performance of a One-to-One Routing Protocol for IEEE 802.15.4 Multihop Networks" docx
... all nodes B4 and B5 transmitting simultaneously Figures 21 and 22 depict the LQI and LDR results from five thousand data packet transmissions for each considered link in scenarios A and B, respectively ... grows, and nodes F and D are neighbors) Note that LETX and ZigBee discard the ABCDF path, which gives a PDR of 100% This behavior may contribute to the fact that in Figure 14 (ZigBee and LETX), ... between node A and nodes D and F are nodes that obtain a PDR greater than 99%, and which are surrounded by nodes that obtain lower PDR values 7.5.2 Path Hop Count As shown in Figures 16 and 17, the...
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Báo cáo hóa học: "Research Article A Random Ant-Like Unicast Routing Protocol for Wireless Ad Hoc Sensor Networks and Performance Evaluation" pdf
... RREQ in RAUR is crucial and critical to ensure data delivery, reasonable latency, and low bandwidth usage Thus, RAUR routing protocol employs the following technique and criteria for selection ... overhead as it uses unicast scheme and could save bandwidth for the data packet Since DSR and AODV generate more control overheads, it leads to a larger portion of bandwidth to be taken up by control ... Mobile Computing, T Imielinski and H F Korth, Eds., chapter 5, Kluwer Academic Publishers, Dodrecht, The Netherlands, 1996 [4] C E Perkins and E M Royer, “Ad hoc on-demand distance vector routing,”...
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Báo cáo hóa học: " Energy-Aware Routing Protocol for Ad Hoc Wireless Sensor Networks" pdf
... radius and is denoted by “r.” The bigger circle is the communication radius “R” of that particular node and it can directly communicate with all the nodes in this range, form neighbors, and exchange ... operation of EARP In [13], the authors proposed a random ad hoc mobility model and computed the probability of link availability (Am,n (t)) between nodes m and n after time t as −4R2 eq , 2, , αm,n (4) ... Req is the effective communication radius, t is the time, σi2 and µi are the variance and mean speed of node i during each epoch,2 and 1/λi is mean epoch length for node i This equation for link...
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The Complete IS-IS Routing Protocol potx
... about the Internet and how it might work The trickiest task is then to explain to Grandma in five minutes how the Internet works Not that Grandma bothers to try and understand In fact, she still ... hierarchy • Configuration and show commands had a totally different look and feel (for those who are familiar with this, just recall the jumping between T5 and T6 command shells) • Everything ... arguments for a command are separated by a simple blank Sometimes the router has too few arguments and this forms an unambiguous command Typically, routers complain about an ambiguous command with a prompt:...
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bài tiểu luận về các giao thức định tuyến - routing protocol
... • Metric để đánh giá đường giao thức EIGRP gồm: Metric = (10,000,000/bandwidth kbps) * 256 + (sum of delay/10) * 256 Bandwidth: Băng thông kênh truyền Delay: Độ trễ kênh truyền Reliability: ... Neighbor Discovery and recovery: Bằng cách trao đổi tin Hello, EIGRP thiết lập trao đổi quan hệ với neighbor router Trong hầu hết mạng Hello packet multicast với chu kỳ giầy trừ random timer để ngăn ... ABR ASBR _ 29 - Area border routers (ABR): Đây router kết nối với nhiều khu vực khác phải có khu vực khu vực ABR thực thuật toán SPF cho riêng khu vực - AS boundary routers (ASBR): Đây router...
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The Complete IS-IS Routing Protocol- P1 pps
... about the Internet and how it might work The trickiest task is then to explain to Grandma in five minutes how the Internet works Not that Grandma bothers to try and understand In fact, she still ... M-Series Routers 2.4.6 JUNOS Routing Software 2.5 Conclusion 11 12 15 17 18 21 26 27 29 30 31 31 33 33 Introduction to the IOS and JUNOS Command Line Interface 3.1 Common Properties of Command Line ... Handshaking 5.1 Hello Message Encoding 5.1.1 LAN Hello Messages 5.1.2 Point-to-point Hello Messages 5.2 MTU Check 5.3 Handshaking 5.3.1 The 3-way Handshake on LAN Circuits 5.3.2 The 2-way Handshake...
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The Complete IS-IS Routing Protocol- P2 pot
... Internet and its building block, the router 3 Introduction to the IOS and JUNOS Command Line Interface In the router world, ISPs and carriers got used to the fact that routers are configured and managed ... hierarchy • Configuration and show commands had a totally different look and feel (for those who are familiar with this, just recall the jumping between T5 and T6 command shells) • Everything ... arguments for a command are separated by a simple blank Sometimes the router has too few arguments and this forms an unambiguous command Typically, routers complain about an ambiguous command with a prompt:...
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