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  common interface between l3 protocols and neighboring protocols

Understanding Linux Network Internals 2005 phần 1 pps

Understanding Linux Network Internals 2005 phần 1 pps

Hệ điều hành

... States and Network Unreachability Detection (NUD) Chapter 27 Neighboring Subsystem: Infrastructure Section 27.1 Main Data Structures Section 27.2 Common Interface Between L3 Protocols and Neighboring ... decided to focus on the networking code, from the interface between device drivers and the protocol handlers, up to the interface between the IPv4 and L4 protocols Instead of covering all of the features ... Initialization and Cleanup Section 27.10 Interaction with Other Subsystems Section 27.11 Interaction Between Neighboring Protocols and L3 Transmission Functions Section 27.12 Queuing Chapter 28 Neighboring...
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Understanding Linux Network Internals 2005 phần 2 pdf

Understanding Linux Network Internals 2005 phần 2 pdf

Hệ điều hành

... Figure 6-1(c) shows the results of loading the driver Figure 6-1 Binding between bus and drivers, and between driver and devices moc.fdpopmis.www//:ptth - noisreV deretsigernU tilpS dna egreM ... keyword and the associated handler with the _ _setup macro, defined in include/linux/init.h This is its syntax: _ _setup(string, function_handler) where string is the keyword and function_handler ... counterpart of probe and is used to clean up any data structure and state Network devices use this function to release the allocated I/O ports and I/O memory, to unregister the device, and to free the...
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Understanding Linux Network Internals 2005 phần 3 pptx

Understanding Linux Network Internals 2005 phần 3 pptx

Hệ điều hành

... the boundary between device drivers and the L3 protocol handlers, it is right in this function that the Bridging feature must be handled When the kernel has support for bridging, handle_bridge ... frame is to be handed to the bridging code When the frame is handed to the bridging code and the latter consumes it, handle_bridge returns In all other cases, handle_bridge returns and netif_receive_skb ... drivers The most common value is 64, but 16 and 32 are used, too Its value can be tuned via sysfs For both the /proc and sysfs interfaces, see the section "Tuning via /proc and sysfs Filesystems...
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Understanding Linux Network Internals 2005 phần 4 docx

Understanding Linux Network Internals 2005 phần 4 docx

Hệ điều hành

... It should bridge only between eth0 and eth1, and consider the two interfaces as configured on the same IP subnet These two issues are handled independently and elegantly, thanks to the way the ... Timers The STP uses both per-bridge and per-port timers In Tables 15-4 and 15-5, you can see the default timeouts, and what the allowed values are, for per-bridge and per-port timers, respectively.[*] ... includes the old, disabled, blocking and listening states RSTP is able to transition a port to the forwarding state much faster, by means of handshakes between ports and a mechanism called sync that...
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Báo cáo hóa học:

Báo cáo hóa học: " Research Article Burst Format Design for Optimum Joint Estimation of Doppler-Shift and Doppler-Rate in Packet Satellite Communications" ppt

Báo cáo khoa học

... modulation for the pilot fields, and additive white Gaussian noise (AWGN) channel with no multipath Filtering is evenly split between transmitter and receiver, and the overall channel response ... denote also with L = N + M the overall burst length, and with η the burst overhead, that is, the ratio between the total number of pilot symbols and the total number of symbols within the burst: ... Doppler-rate, and with constraints on the total training block length and on the burst overhead of the signal We demonstrate here that such format is optimal in the presence of Doppler-rate as well, and...
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Packet Tracer Lab: ARP (100 points) ppt

Packet Tracer Lab: ARP (100 points) ppt

Quản trị mạng

... Step 2: Select ARP and ICMP from the Event List Filters Enter Simulation mode and select only the ARP and ICMP protocols selected in the Event List Filters: Step ... MAC address Target IP address Part 2: ARP and the Remote Network Step 1: Resetting the Network and Waiting for STP Whenever you want to reset the network and begin the simulation again, click on ... the destination IP address and MAC address entry is in its ARP table from the ARP Reply and forward the ICMP message This is designed so that the router uses its memory and processing time effectively...
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Thiết kế mạng với Packet Tracer

Thiết kế mạng với Packet Tracer

Quản trị mạng

... phòng sau bạn thiết kế mạng mức logic … Physical Workspace chia làm mức: Intercity, City, Building, and Wiring Closet - Intercity ( liên thành phố) : có nhiều city http://www.ebook.edu.vn Thiết kế ... thiết bị di chuột đến đối tượng Ví dụ : Khi bạn di chuột tới router…thì cổng cho bạn biết địa IP… Protocols – Các giao thức http://www.ebook.edu.vn Thiết kế mạng máy tính LAN: Ethernet (bao gồm ... default, RIPv1, RIPv2, EIGRP, OSPF, VLAN routing NAT (tĩnh, động ); ACLs; CDP… WAN: HDLC, PPP, and Frame Relay Simulation Mode – Chế độ giả lập Ở chế độ bạn nhìn thấy mạng hoạt động bước chậm...
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Thực hành lệnh  Lệnh arp

Thực hành lệnh Lệnh arp

Quản trị mạng

... Khoa Mạng Máy Tính Truyền Thông – Trường DH CNTT ARP – Internet I Capturing and analyzing Ethernet frames B1 Xóa cache trình duyệt ( xem lại thực hành trước ) B2 Khởi động ... http Response Ở lab quan tâm đến Ethernet ARP, bỏ qua IP hay protocol tầng chọn Analyze  Enabled Protocols  Uncheck vào ô IP  chọn OK Quan sát thông tin Packet Detail Packet Content Windows ... chọn Obtain an IP address automatically Obtain DNS server automatically  OK B1 Sử dụng Window Command Prompt (cmd ) gõ lệnh ipconfig /releasse B2 Khởi động Ethereal bắt gói tin B3 Trong cmd gõ lệnh...
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Image Formation & Display

Image Formation & Display

Thiết kế - Đồ họa - Flash

... having a value between and 255 The backgound of the test image is filled with random noise, uniformly distributed between and 255 The three square boxes have pixel values of 75, 150 and 225, from ... directly handled by the light sensors For example, the difference in light intensities between sunlight and moonlight is about one-million Adding to this that reflectance can vary between 1% and 99%, ... Committee), a standard defined way back in 1954 This is the system used in the United States and Japan In Europe there are two similar standards called P A L (Phase Alternation by Line) and S E C A...
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Cambridge University Press Word Formation In English

Cambridge University Press Word Formation In English

Anh ngữ phổ thông

... Concepts 17 Sometimes truncation and affixation can occur together, as with formations expressing intimacy or smallness, so-called diminutives: (12) Mandy (←Amanda) Andy (← Andrew) Charlie (← Charles) ... distinction has traditionally been made between inflection (i.e conjugation and declension in traditional grammar) as part of the grammar on the one hand, and derivation and compounding as part of word-formation ... consists of the verb kick and the third person singular suffix -s, drinking consists of the verb drink and the participial suffix -ing, and students consists of the noun student and the plural suffix...
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Tài liệu mở rộng quản trị mạng IP Packet Header Fields

Tài liệu mở rộng quản trị mạng IP Packet Header Fields

Quản trị mạng

... Agency Handling Restrictions (H field): 16 bits The values for the control and release markings are alphanumeric digraphs and are defined in the Defense Intelligence Agency Manual DIAM 65-19, "Standard ... source route is empty (and the recorded route full) and the routing is to be based on the destination address field If the address in destination address field has been reached and the pointer is ... source route is empty (and the recorded route full) and the routing is to be based on the destination address field If the address in destination address field has been reached and the pointer is...
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High Speed Downlink Packet Access

High Speed Downlink Packet Access

Công nghệ thông tin

... 1.1.1 Thế Hệ Đầu Tiên - 1G 1.2.3.3.1 Chuyển Giao Cùng Một Tần Số ( Intra-frequency handover ) 23 CHƯƠNG 2: 28 CÔNG NGHỆ HSDPA CHO MẠNG UMTS 28 2.4.2.2 Mô ... DCS-1800MHZ (Digital Cordless System), PDC - 1900Mhz (Personal Digital Cellular), IS-54 IS-95 (Interior Standard) Trong GSM tiền thân hai hệ thống DCS, PDC Các hệ thống sử dụng kỹ thuật TDMA (Time Division ... với dự án IMT-2000 sử dụng dải 1885-2025MHz 21102200MHz Thế hệ 3G gồm có kỹ thuật : W-CDMA (Wide band CDMA) kiểu FDD TDCDMA (Time Division CDMA) kiểu TDD Mạng 3G bao gồm mạng : • UMTS sử dụng kỹ...
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phần mềm mô phỏng Packet tracer

phần mềm mô phỏng Packet tracer

Tài liệu khác

... Router(config-router)#auto-cost reference-bandwidth 1000 Router (config-router)#router-id 10.0.0.1 Router(config-router)#end Cấu hình priority interface để bầu DR BDR Router(config) #interface s0/0 Router(config-if)#ip ... TUYẾN OSPF ! interface FastEthernet0/1 no ip address duplex auto speed auto shutdown ! interface Serial0/0 description KET NOI TOI Quang Ninh ip address 192.168.1.1 255.255.255.0 ! interface Serial0/1 ... độc quyền riêng IGRP để khắc phục nhược điểm Cụ thể metric IGRP tổ hợp yếu tố, mặc định bandwidth delay: Bandwidth, Delay Load, Reliability, Maximum transfer unit (MTU) IGRP không sử dụng hop count...
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