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Data Transmission Technologies

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

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.

Data Transmission Technologies

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

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 
console(config)#vlan 10 
console(config-vlan10)#exit 
console(config)#interface vlan 10 
console(config-if-vlan10)#ip address 192.151.3.5 255.255.255.0 
console(config-if-vlan10)#exit 
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 
console(config-if-Gi1/0/1)#exit 

Data Transmission Technologies

Aug. 21, 2015, 12:26 p.m.

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.

Data Transmission Technologies

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

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

Data Transmission Technologies

Aug. 10, 2015, 11:59 a.m.

DELL, LACP, MLAG

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.

Data Transmission Technologies

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

CLI, DELL, EXEC Mode

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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Last comments
April 8, 2020, 9:12 a.m.
ogustbiller

Круто! Немного начинает проясняться что к чему. Спасибо.
K
April 7, 2020, 8:55 a.m.
KULINAR847

А вот уже и на python... #!/usr/bin/env python# -'''- coding: utf-8 -'''-import sysfrom PySide2.QtWidgets import *from PySide2.QtQuick import *from PySide2.QtCore import *from PySide2.…
April 3, 2020, 8:06 a.m.
Konstantin Grudnitskiy

Я надеюсь вы уже разобрались в чем дело, но если вдруг нет, то проблема состоит в том, что вы пытаетесь запустить программу из интерпретатора питона. Файл main.py это уже готова…
April 3, 2020, 6:18 a.m.
Konstantin Grudnitskiy

>>> text = 'hello world'>>> ' '.join(word for word in text.split()[:-1])'hello'>>> def remove_last_word(text):... return text and ' '.join(word for word in text.s…
March 27, 2020, 2:40 p.m.
Evgenij Legotskoj

Добрый день. В конце пятой статьи скачать можете.
Now discuss on the forum
DK
April 9, 2020, 3:31 a.m.
Dzhon Kofi

Привет. Делаю реализацию перемещения строк на QTableView с моделью QSqlTableModel. Буду в этой теме спрашивать нужное. Пока такой вопрос при создании модели: как мне узнать rowCount? int…
April 8, 2020, 5:42 p.m.
elyana

Подскажите как правильно реализовать... Нужно создать массив в C++ с переменными типа сhar или же int. В Qml будет переменная, например text, которая будет изменять своё значение в зависим…
DK
April 8, 2020, 6:29 a.m.
Dzhon Kofi

:-D блин, без слов, пойду пройдусь))
s
April 8, 2020, 4:59 a.m.
slava_d2000

Всем привет. Прошу помощи.есть статическая сборка 5.14.2 (без SSL) компилируется чистый шаблон на QML и Widgets если войти на компьютер в терминальной сессии и запустить программ…
s
April 6, 2020, 8:06 a.m.
shuric

Добрый день. Объясните пожалуйста ... ... допиливать стилевое оформление в прокси классе ... где именно копать ? В каком виртуальном методе лучше допиливать (если можно н…
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