Sept. 5, 2015, 12:43 p.m.

Data Transmission Technologies

DELL, Route-Map

VLAN Traffic Redirection

Passing traffic without PBR

Example. Comparison of packets from one VLAN, then routing the output of another VLAN to their destination.

Remote server X, Y, Z hourly cached on the local server A, B, C. Members VLAN 10 use locally cached server 99% of the time, but occasionally need access to current data from the server X, Y, Z, which are located in another city . Traffic on the road between the local and remote servers are often higher than 100% of the bandwidth. To minimize delays in traffic between VLAN 10 user stations and remote servers are configured PBR to avoid bottlenecks.

Sept. 2, 2015, 12:38 p.m.

Data Transmission Technologies

DELL, Route-Map

Server Priority

DELL Networking - Server Priority

In this example, the database server should be provided more bandwidth at a specific time to access the storage server.

Configuring VLAN interface on 1G

console(config)#vlan 10 
console(config)#interface vlan 10 
console(config-if-vlan10)#ip address 
console(config)#interface gi1/0/1 
console(config-if-Gi1/0/1)#switchport trunk allowed vlan 10 
console(config-if-Gi1/0/1)#switchport mode trunk 
Aug. 21, 2015, 12:26 p.m.

Data Transmission Technologies

DELL, PBR, Route-Map

Corporate networks, which are typically used for multiple departments in an organization is often divided into VLANs for increased performance. Administrators can combine multiple physical switches into a single virtual network to create a more efficient use of bandwidth for interagency traffic. Members of each department, who often work remotely feel the performance increase despite the great geographical distance. By using routing policies other levels may be included resolution of the administrators of the rules of the incoming and outgoing traffic. These rules and settings can alter the way the network package.

Configuring PBR includes construction of route-map with the installation instructions, which include the appropriate route-map interface. IP routing must be enabled on the interfaces to control PBR. PBR can only be allowed for incoming traffic through these interfaces.

Aug. 11, 2015, 12:12 p.m.

Data Transmission Technologies

DELL, vlan, voice vlan

Configuring VLAN for DELL switches (depending on the version of the OS switch syntax may vary slightly.

Before you configure the VLAN on the switch interfaces, you must make the switch in the VLAN database and create a VLAN interface:

console(config)# vlan database
console(config-vlan)# vlan 1972
console(config-vlan)# end
console(config)# interface vlan 1972
console(config-if)# name Marketing
console(config-if)# end
Aug. 10, 2015, 11:59 a.m.

Data Transmission Technologies


Campus Switching Architecture

Dell switches networking N-series are based on a modern architecture of campus networks

  1. Support loop redundancy without the use of STP by using MLAG protocol to create increased access to resources and high bandwidth.
  2. Smooth interoperability with existing infrastructure for greater compatibility and integration.
  3. Combining a variety of network products with the latest open standards protocol for more choice in network.

Campus architecture on Dell switches based on functional MLAG protocol launched in version 6.1 operating system, Dell Switches. In this architecture, the two switches N4064F as peers aggregate access switches, which are combined in two stacks as well as peers. Each stack switch maintains a portion of one floor in the building of the campus, which is aggregated with two 10Gbit / c uplink'ami. N4064F aggregation layer switches easily support up to 24 stacks of switches. This architecture provides improved bandwidth, overcoming limitations STP to block redundant ports. Network is designed with a high redundancy in terms of link failure and switches.

Aug. 9, 2015, 11:52 a.m.

Data Transmission Technologies


For example, DELL PowerConnect 3524

You can control the device directly via the terminal port or via a Telnet connection. If access is via a Telnet connection, ensure that the device specific IP-address, which will be used by the workstation to access the device and connect the device to use the CLI commands.

Telnet is an emulation on a TCP / IP terminal. RS-232 terminals can be virtually connected to the local device through a TCP / IP network protocol. Telnet is an alternative to the local terminal where you want the remote control of the device. The Switch supports up to 4 Telnet sessions to manage. All CLI commands can be used over a telnet session.


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Jan. 25, 2020, 1:16 p.m.
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Last comments
Jan. 27, 2020, 1:01 a.m.
Ruslan Polupan

Да так, посмотрел библиотеку попробовал примеры...
Jan. 26, 2020, 2:51 p.m.

Чего не webassembly?
Jan. 21, 2020, 2:12 p.m.

Полезная статья. Как всегда - то что надо. Добавлю ещё маленькую полезность - после установки tracer (88 строка) и перед выводом значений в lineEdit (91 строка) стоит добавить updatePositio…
Jan. 17, 2020, 2:31 a.m.
Andrej Jankovich

Выглядит как ошибка библиотеки. Расскажите подробно на какой платформе вы собираете проект (MinGW или MSVC) их версии и версии Qt.
Jan. 16, 2020, 12:06 p.m.

Доброго времени суток, не подскажите, что делать в данной ситуации, после того, как я сделал все вышеуказанные инструкции для подключения библиотеки к проекту?
Now discuss on the forum
Jan. 27, 2020, 3:17 a.m.
Il'ja Chichak

а почему бы не сделать одну модель, например Attachement со всеми этими полями, и в зависимости от действия пользователя, например, "добавить документ", "добавить картинку" и т.д. класть все это…
Jan. 26, 2020, 11:42 a.m.

Другого способа, как получать перезагруженный контент через JavaScript на странице, я не знаю. Получилось сделать без QWebEngineView, с помощью QWebEnginePage, runJavaScrip…
Jan. 26, 2020, 11:14 a.m.

Да, я не понял до конца того, как это работает, мало опыта работы с qt и QVAriant ни разу не использовал. Спасибо за помощь)
Jan. 26, 2020, 4:11 a.m.
Vladimir Zhitkovsky

Да, спасибо порешалось таким образом: удаление одного for(int i = 0; i < lstData.count(); ++i){ auto *data= dynamic_cast<Data*>(lstData[i]); if(data) { if(…
Jan. 14, 2020, 9:04 a.m.
Ruslan Volshebnik

Проблема осталась. Но я выснил, что это происходит когда файл достигает максимального размера.
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