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Cisco 12 Series APS Simple Configuration

Although the 12 series AP has been eliminated, but like our company with no money for 10 years but still in use, fortunately it has the value of learning, or can be seen from the 12 series of APS some Cisco deployment of wireless ideas.First spit trough a bit of the domestic often said fat, thin ap of this argument, because when using Thin/thick mode to Google, often do not search the results, so first to tidy up the fat and thin what is it?Fat AP, to AIR-AP1242AG-C-K9 this 12 series AP, for exa

The youth popularization net Force high answer contest Competition city has what

  The youth popularization net Force high answer contest Competition city has what The first national rule of Law Knowledge Network competition City of young students: East China: Shanghai City, Jiangsu Province, Zhejiang Province, Shandong province, Anhui Province, Fujian Province South China: Guangdong Province, Guangxi Zhuang Autonomous Region, Hainan Province Central: Hubei Province, Hunan Province, Hebei province, Jiangxi Province North Chin

ASP. NET MVC binding DropDownList and other controls

, String type. Selectedvalues: The value of the selected item, the IEnumerable type. Controller code:var 0 ); var New " ID " " name " " 9 " ); viewdata["ddlcity"] = ddllist;Voew Code:@Html. DropDownList ("ddlcity")Compile Code:SelectID= "Ddlcity"name= "Ddlcity">optionvalue= "1">Beijingoption>optionvalue= "2">Tianjinoption>optionvalue= "3">Hebei Provinceoption>optionvalue= "4">Shanxi Provinceoption>optionvalue= "5">Inner mongolia autonomous re

On the principle of the structure adjustment of the job-recruiting website

Today, I will discuss with you about the site structure of the Tianshan talent network, assuming that to achieve a greater development, in what areas should be made adjustments? At present, for the Tianshan talent Network there are several aspects of the problem: 1, Site level two site confusion. Xinjiang Autonomous Region under the jurisdiction of: 2 prefecture-level cities (Urumqi and Karamay), 7 regions (Kashgar, Hotan, Hami, Tacheng, Turpan, Aks

The ultimate guide to Oracle's C PL (SQL) programming, a weekly book

functions7.5 Other functions7.6 Summary8th static SQL statements in PL/V8.1 Overview of static SQL statements8.1.1 Static SQL statement types8.1.2 the SELECT statement in PL/SQLDML statements in 8.1.3 PL/SQL8.1.4 character matching in PL/SQL8.2 an explicit cursor8.2.1 Cursors Overview8.2.2 declaring and defining an explicit cursor8.2.3 Opening and closing an explicit cursor8.2.4 retrieving an explicit cursor8.2.5 properties of an explicit cursor8.2.6 variables in an explicit cursor definition8.

Brief Introduction to the routing mechanism of OSPF Dynamic Routing Protocol

The OSPF dynamic routing protocol is worth learning a lot. Here we mainly introduce the internal zone routers, including the area border routers and backbone routers. One reason for OSPF's scalability is its route update mechanism. The OSPF dynamic routing protocol uses LSA to share routing information among OSPF nodes. The broadcast information will be transmitted throughout the zone but will not go beyond the same zone. Therefore, every vro in the zone knows the topology of the zone. However,

Learn more about Oracle transactions

records (in the SGA redo log buffer) to the redo log file ③ Oracle releases resources and locks ④ Oracle marks the transaction as ended Note: Only after the commit command is sent Will the content of the redo log file in the SGA re-executed log buffer be refreshed to the disk. Before the LGWR process is executed, the redo log is stored in the memory, also known as the online redo log. 7. savepoint rollback and the rollback of the entire transaction Note that when Oracle transactions roll back t

Key Points of Computer Network review

Chapter 1 Overview Circuit Switching: The bit stream of the entire packet is continuously transferred from the source point to the end point, as if in a pipe. Packet Exchange: The entire packet is first transmitted to the adjacent node, all of which are stored and then searched for the forwarding table and forwarded to the next node. Group exchange: a single group (which is only a part of the entire packet) is sent to adjacent nodes. After the group is stored, it finds the forwarding table and f

Description of the role of the kailide navigation map file (reposted)

maps are available:Version: 083-cm00-6c02-01001 T, C Series No.: 083-6c02 package 20080528 no eyes + Hong Kong and MacaoVersion: 083-cm00-6zf2-01001 T, C Series No.: 083-6zf2 package 20080528 eye-catching + Hong Kong and MacaoVersion: 083-cm01-2zf2-01001 T, C Series No.: 083-2zf2 package 20080422 eye-catching + Hong Kong and MacaoVersion: 079-cm01-hzf1-01001 T, C Series No.: 079-hzf1 packets 20071025 eye-catchingVersion: 079-cm00-gc01-01001 T, C Series No.: 079-gc01 packet 20071019 no eye★Map★-

BGP Route Protocol synchronization features

BGP is a familiar protocol. Then, let's give a brief explanation of this Protocol. It mainly targets its synchronization performance. You need to pay attention to this aspect. BGP protocol: A router running the BGP protocol will not advertise the routing information learned from the internal peer (IBGP neighbor) to the external peer (EBGP neighbor ), unless the route information can also be learned through IGP. If the BGP router can learn the route information through IGP, it can be considered t

In-depth analysis of the IGRP Routing Protocol

As for the routing protocol, we all know that the RIP routing protocol is the earliest version. With the complexity of the network structure and the increasing standards of enterprises. The RIP Protocol has gradually withdrawn from the historical stage. Then we propose the IGRP routing protocol. Unlike the RIP Protocol, the IGRP routing protocol uses port number 9 on the IP layer for Packet Exchange (RIP uses port 520 and UDP) IGRP uses the concept of autono

In-depth discussion on the OSPF Dynamic Routing Protocol Mechanism

With the development of China's routing industry, the routing protocol is constantly improved. Here we mainly use the OSPF Dynamic Routing Protocol mechanism. One reason for OSPF's scalability is its route update mechanism. OSPF uses LSA to share route information among OSPF dynamic routing protocol nodes. The broadcast information will be transmitted throughout the zone but will not go beyond the same zone. Therefore, every vro in the zone knows the topology of the zone. However, the topology o

Summary of basic knowledge of computer network

adapt to the changes of network state, but it is more complex and expensive to implement.3, the Internet in two major types of routing protocol:(3.1) Internal Gateway protocol IGP (Interior Gateway Protocol), which is a routing protocol used within an autonomous system. This type of routing protocol is most commonly used, with a number of specific protocols, such as RIP and OSPF protocols. Rip:routing Information Protocol Routing Information protocol

Chapter 2 route protocol Reading Notes and Chapter 3 route protocol

other routers once like a relay, even when the entire network is known, the routing control table is created. 7.2 route control scope IGP interior gateway protocol and EGP exterior gateway protocol are used according to the routing control scope. 7.2.1 various organizations connected to the Internet No managers, no managers, and every organization maintains an equal relationship. 7.2.2 Autonomous Systems and routing protocols Specify your own routin

Boredom-The origin of China's provincial names _ classic net Pick

, Huainan Road and Shannan host; Song Jing Hubei Road, referred to as Hubei Road, for the beginning of the name of Hubei province, the yuan set South Hubei Road, Ming belongs to Huguang province, later changed to provincial Huguang for the Ministry of Political Division, the province of Huguang province, Hubei province, the provincial name has not changed. Guangdong: By the name of Guang Nan Dong Lu. Tang belongs to Lingnan Road, song to the old Guangzhou jurisdiction of the South East Road, re

Ora-14551:cannot perform a DML operation inside a query

Inserts in an Oracle function will report Ora-14551:cannot perform a DML operation inside a query problem Reason:Functions that write to the database (INSERT, UPDATE, DELETE, create, alter, commit) cannot be invoked simply by using SQL Workaround: Need to declare add pragma autonomous_transaction; For example:Create or Replace function update_contractdate (V_contractid in Contract.id%type, v_contractbegindatestr in varchar2)return numberAspragma autonomous_transaction; PRAGMA Autonomous_t

Basic configurations of the IGRP Routing Protocol

IGRP Protocol IGRP (Interior Gateway Routing Protocol) is a dynamic distance vector Routing Protocol designed by Cisco In The Middle Of 1980s. Use a combination of user configuration scales, including latency, bandwidth, reliability, and load. By default, IGRP sends a route update broadcast every 90 seconds. No update is received from the first vro in the route within three update cycles (that is, 270 seconds, the route is declared inaccessible. After 7 update cycles, namely 630 seconds, the Cis

Go Auto Fill in ancient poetry

registration can. typeSpiderInterface{getcontent (SearchResult) (string, error) Findcontent (string,string) (SearchResult, error)} func mapspidermanifest() map[string]Spider {//Initialize and register all spidersSpidermap: = Make(Map[string]spider)//BaiduBaiduspider: =New(Baiduspider) spidermap["Baiduspider"] = Baiduspider//Ancient Poetry networkGushiwenspider: =New(Gushiwenspider) spidermap["Gushiwenspider"] = GushiwenspiderreturnSpidermap} 2. Poetry sentence Search Ancient prose dictation, us

Vro configuration in Linux 3

between the connected routers and are optimized according to certain algorithms. These routing information is constantly updated during a certain period of time, in order to adapt to the changing network, in order to obtain the optimal path seeking effect at any time. To achieve efficient routing for IP groups, IETF has developed multiple routing protocols. The internal gateway Protocol for Autonomous systems (AS:

In-depth exploration of BGP Route Protocol Synchronization

At present, there are also a lot of BGP routing protocol applications, so I have studied the synchronization problem in the BGP routing protocol. Here I will share it with you and hope it will be useful to you. BGP protocol: A router running the BGP protocol will not advertise the routing information learned from the internal peer (IBGP neighbor) to the external peer (EBGP neighbor ), unless the route information is also known through IGP. If the BGP router can learn the route information throug

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