r5 m430

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CCNP Study Notes 4-route part-route control

ospf processes, r2 route entries will not change ◆ dual-point bidirectional redistribution issues (the problem does not occur in the MongoDB because of the internal 90, external 170) 1: sub-optimal path ---- solve by modifying the AD -- distance 2: loop --- solve by filtering -- distribute-list R1: F0/0 1. 1.12.1 F1/0 1.1.14.1 lo0 1.1.11.1R2: F0/0 1.1.23.2 F1/0 1.1.12.2 lo0 1.1.22.1R3: F0/0 1.1.23.3 F1/0 2.1.35.3R4: F0/0 1.1.14.4 S1/0 2.1.45.4R5: s1/0 2.1.45.5 F0/0 2.1.35.5 1, sub-optimal route

CCNP Learning note 7-routing Section--OSPF comprehensive question 2

650) this.width=650; "src=" Http://s4.51cto.com/wyfs02/M02/77/A8/wKioL1ZqrkujOgEPAACGyTYrjpU740.png "title=" QQ picture 20151211190632.png "alt=" Wkiol1zqrkujogepaacgytyrjpu740.png "/>One, address description1,R1--R5 all want a loopback0=10.10.x.x2, R1--R3 E0 address =1.1.123.x3, the R2--r4 WAN interface is 1.1.234.X/244,r4-r5 WAN Interface =1.1.45.x/24Two, bridgingConfiguring the R1-R3 Ethernet AddressConf

Ucos system initialization and startup process

Os_schednew directly, because at this time the system is no task in the execution, there is no interruption lock, so it is important to note that before the system starts, it is best to leave only the system interruption, start and then open the interrupt, otherwise it may cause problemsThen still get the priority, get the TCB, and finally call the Osstarthighrdy function according to the current highest priority task, the function is a function that requires assembly language porting, in Os_cp

Android Reverse Tour---"Anti-debug" scenario resolution (additional modification of IDA Debug port and modification of kernel information)

everyone know more knowledge, would rather more detours, go many ways out. And the above way every time add-p more trouble, I would like to use another way to solve the problem at once, and I would like to be familiar with IDA in the process of use, using Ida to open the Android_server file, in fact, he is elf format, open stress-free, open after use shift+12 View the string content interface:Finding these three key string contents, we can detect the following message after running past Android

The NDK development of Android

enter gcc–version,g++--version,make–version,gdb–version for testing, and if you print out the version information and some descriptive information, the Cygwin installation is successful!3. Configure NDK Environment variablesAFirst find the Cygwin installation directory, find a home\b Open a. bash_profile file, add ndk=/cygdrive/Ndk=/cygdrive/e/android-ndk-r5Export NDKThe NDK name is random, for the convenience of later use, choose a short name, and then saveC Open Cygwin, enter the CD $NDK, and

Why the C language (function call) requires a stack, while assembly language does not require a heap

-inux-objdump–d u-boot > Dump_u-boot.txt Copy Code can get dump_u-boot.txt files. The file is the executable assembly code that contains the program in U-boot, In which we can see the C language function source code, in the end corresponds to those assembly code. The following is a two-function assembly code, One is Clock_init, The other is in the same C-source file as Clock_init, and another function Copycode2ram: 33D0091C 33d0091c:e92d4070 Push {r4, R5

Why does the assembler call the C function to set the stack? __php

Clock_init and the other is a function copycode2ram with clock_init in the same C source file: 33d0091c:copycode2ram: 33d0091c:e92d4070 push {r4, R5, R6, LR} 33d00920:e1a06000 mov r6, r0 33d00924:e1a05001 mov R5, R1 33d00928:e1a04002 mov r4, r2 33d0092c:ebffffef BL 33d008f0 b bootfrmnorflash ... 33d00984:ebffff14 bl 33d005dc nand_read_ll ... 33d009a8:e3a00000 mov r0, #0; 0x0 33d009ac:e8bd8070 P

Topology Analysis of the junos isis Region

0x7f5 0x7f28 1192 L1 RTE-10.0.3.4-r2.00-00 0x84d 0xd74e 1174 L1 RTE-10.0.3.4-r2.02-00 0x14 0x9f0c 579 L1 RTE-10.0.3.4-r2.03-00 0x15 0xc946 794 L1 RTE-10.0.3.4-r2.04-00 0x14 0xf7d3 579 L1 RTE-10.0.3.4-r3.00-00 0x15 0x7707 643 L1 L2 RTE-10.0.3.4-r3.02-00 0x15 0x1214 946 L1 L2 RTE-10.0.3.4-r4.00-00 0x15 0x388d 790 L1 L2Refer to the topology of R6.R5. R4:R5 and R4 are configured with a different ISO address te

Relationship between IPv6 and NGN and 3G networks (1)

new ways of network operation, that is, how to carry out business on a "surface" network, how to cross different administrative divisions, and how to coordinate management scope.3G is a milestone in moving mobile networks from narrowband networks to broadband networks. The establishment of 3G networks will have a huge impact on wireless communication and will also promote the development of wireless network services, especially the development of multimedia services. In the

Tutorial on Route redirection for ICMP redirection fields (1)

The ICMP redirection field, used by the router to notify the host of the optimal gateway to the target, is another vro on the data link. Purpose: 1. Verify redirection. 2. The impact of redirection on host data forwarding. 3. Disable the data forwarding process after redirection. Tutorial topology: Experiment Design: 1. R2, R3, R4, and R5 run the RIPv2 protocol. R1 disables the routing function and points the default gateway to R2. 2. the R4 and

CCNP experiment: BGP Confederation Solution

[Lab environment] The C3640-IK9O3S-M Version 12.4 (10) [PURPOSE] BGP Confederation is used to solve the BGP Route black hole problem caused by horizontal segmentation of IBGP. [Experiment topology] [Experiment description] R1, R2, R4, and R5 run the BGP protocol, while R2, R3, and R4 run the OSPF protocol. The objective is to make 1.1.1.1 The IBGP neighbor relationship is established using the loopback interface. Use a direct connection interface be

Advanced Android Player, custom circular progress bar

r3;private Roundpro Gressbar R1, R2, R4, r5;private int pro1 = 80; The progress value that you want to display: Data returned from the server, such as project, private int progress = 0;private Boolean flag = false;private MyThread thread1;private MyThread2 Thread2;private Button start, @Overrideprotected void OnCreate (Bundle savedinstancestate) {super.oncreate ( Savedinstancestate); Setcontentview (R.layout.activity_main); Initview (); Setroundattr

Android NDK Configuration

choose.11, the following test Cygwin is not already installed.Run Cygwin, in the popup command line window input: Cygcheck-c Cygwin command, will print out the current Cygwin version and running state, if the status is OK, then Cygwin run normally.Then enter gcc–v,g++--version,make–version,gdb–version to test, (note the space and-) if you print out the version information and some descriptive information, very happy to tell you that your Cygwin installation is complete!Three: Configure NDK envi

Matrix multiplication of dynamic programming

Title: n matrix multiplication, to find the least number of multiply operations and how to combineSuppose that matrix A is r1*r2 and matrix B is R2*R3, so m=a*b=r1*r2*r3. When multiple matrices are multiplied, the number of operations is different when the matrix is combined in different ways.Example: M=M1 * M2 * M3 * M4[5*20] [20*50] [50*1] [1*100]((m1*m2) *m3) *m4=5000+250+500=5750and M1* (m2* (M3*M4)) =5000+100000+10000=115000If you follow (m1* (M2*M3) *m4) =1000+100+500=1600The above examp

Oracle Database automatic backup script

Create a file named r5bak. BAT and use NotePad to edit the following content: @ Echo offECHO is backing up the Oracle database. Please wait ......Exp userid = R5/R5 @ orcl file = E:/newbak/DB/R5 _ % Date :~ 0, 4% % Date :~ 5, 2% % Date :~ 8, 2%. dmp log = E:/newbak/DB/R5 _ % Date :~ 0, 4% % Date :~ 5, 2% % Date :~ 8,

Android SDK Android ndk official download address

/android-sdk_r11-linux_x86.tgz Android ndk r5b Windows Http://dl.google.com/android/ndk/android-ndk-r5b-windows.zip Mac OS X (Intel) Http://dl.google.com/android/ndk/android-ndk-r5b-darwin-x86.tar.bz2 Linux Http://dl.google.com/android/ndk/android-ndk-r5b-linux-x86.tar.bz2 Android SDK: 3.0 Windows Http://dl.google.com/android/installer_r10-windows.exe Http://dl.google.com/android/android-sdk_r10-windows.zip Mac OS X (Intel) Http://dl.google.com/android/android-sdk_

ARM architecture and programming notes

; number of cycles mov R1, #0; initialize data loop add R1, R1, R0; add data, obtain the final data subs r0, R0, #1; cyclic data R0 minus 1 CMP r0, #0; compare R0 with 0 to see whether the loop ends BNE loop; Determine whether the loop ends, to accept the request, perform the following steps: LDR R2, = Result STR R1, [R2] result DCD 0 stop B stop; Arrangement Algorithm: first compare all the data with the first one, finally, the smallest data is retrieved and placed in the first memory unit. The

Overall Analysis of UCOS running process on S3C2410 (7)-Create task to multi-task scheduling and running.

Stack pointer */ // Use_arg (OPT ); Opt ++; /* Build a stack for the new task */ * -- STK = (unsigned INT) task;/* pC */ * -- STK = (unsigned INT) task;/* LR */ * -- STK = 12;/* R12 */ * -- STK = 11;/* R11 */ * -- STK = 10;/* R10 */ * -- STK = 9;/* R9 */ * -- STK = 8;/* R8 */ * -- STK = 7;/* R7 */ * -- STK = 6;/* R6 */ * -- STK = 5;/* R5 */ * -- STK = 4;/* R4 */ * -- STK = 3;/* R3 */ * -- STK = 2;/* R2 */ * -- STK = 1;/* R1 */ * -- STK = (unsigned I

Android advanced, custom circular progress bar, and android advanced

com. example. testdemo; import android. annotation. suppressLint; import android. app. activity; import android. graphics. color; import android. OS. bundle; import android. OS. handler; import android. OS. message; import android. view. view; import android. view. view. onClickListener; import android. widget. button; import com. example. testdemo. view. roundProgressBar; import com. example. testdemo. view. roundProgressBar2 ;/* ** Main interface * @ author zengtao June 10, 2015 4:02:13 **/pu

Detailed analysis of contrex-A9 assembly code _ switch_to (process switching)

of the stack canary is damaged, the kernel will directly act as the machine. So how can we determine that the stack canary is overwritten? In fact, this is done by GCC. The kernel adds the-fstack-Protector parameter to GCC during compilation. */ Define (tsk_stack_canary, offsetof (struct task_struct, stack_canary )); // Task_struct Define (ti_task, offsetof (struct thread_info, task )); // /* * Domain types */ /* # Define domain_noaccess 0 # Define domain_client 1 // is the user's domain (Execu

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