Tags: Cisco switchBasic configuration and management of switches• Technical Principles• The switch is managed in two basic ways: in-band management and out-of-band management.• The console port management switch through the switch is out-of-band management, which does not occupy the network port of the switch, and the first configuration switch must be configured with the console port.• In-band management via remote telnet, dialing, etc.• The switch's
ASA-防火墙-cisco
The role of the ASA firewall1, in the network to isolate dangerous traffic, no point.The principle of the ASA firewall1. Distinguish different areas by security level: internal area, external area, demilitarized zone.By default: High-level traffic can go to lower levels,Low-level traffic can not go to high-level,The same level of unbelief.Inside default security level is 100 name uniqueOutside default security several tim
Tags: oid1, first landing equipment, check the device version;2, open the URL:https://www.cisco.com/c/en/us/support/web/tools-catalog.html, select Launch MIB Locator;3. Jump Web page, click Cisco IOS MIB Locator;4, jump page, enter version information, according to the SNMP version used to select the corresponding v1 or v2, to find the corresponding OID library ;5. In the OID Library page of the jump, find the desired value;6, back to the MIB locator
with option 82 from the L2 switch and establish binding entries for the information . Of course, if you encounter the switch does not support IP DHCP snooping information option allow-untrusted command can have the following two solutions:① using the IP DHCP relay information trusted(in-VLAN) command within an int VLAN of an unsupported switch② on the access layer switch to turn off the function of inserting option82 no ip DHCP snooping information option 2, because the
Multiple computers can be communicated via hubs in the Cisco Packet Tracer.Cisco Packet Tracer 6.2.0 One, add three computer equipment 1, in accordance with 1, 2 steps, 2 steps to execute three times, drag the PC to the way, you can also operate 2 steps when you hold down the CTRL key and then click Three blank places, to place three computers. Second, add the hub to the diagram 1, such as 1, 2, 3 steps, add a hub to the device Third,
Let's talk about Cisco Huawei and Intel vswitches. The vswitches with Intel are the same as those with other settings. This article mainly introduces the comparison of Cisco, Huawei, and intel vswitches. How to Set Intel vswitches has become a concern. This article provides an in-depth explanation of vswitches in terms of principles, ideas, and testing processes.
Compared with
Cisco LAN switches are still commonly used. So I studied the maintenance and configuration problems of Cisco LAN switches. I would like to share them with you here, hoping to help you. Cisco LAN switches have evolved from a HUB-based LAN shared in the traditional sense to a broader space.
Take Cisco's ipvst5000 series Cisco
Abstract:
The Cisco I-Flex design integrates the advantages of the shared port adapter (SPA) and SPA interface processor (SIP), and uses the extended design to provide service priority for voice, video, and data services. Customers of large enterprises and telecom operators can fully enjoy the higher slot economy brought by interchangeable modular port adapters between different Cisco routing platforms. I-F
Cisco switch security common traffic control and anti-DDoS problems. Recently, cisco switch security has been favored by many friends. Let's have a deep understanding of cisco switch security solutions today! Traffic control, anti-DDoS, virtual lan vlan, and access control list-based firewall functions.
Traffic Control
The ci
An example of Cisco Easy VPN comprehensive configuration is shown in this example. The topology is 15-15. In this example, the Cisco 831 router is used as the remote device of Easy VPN and the Cisco 1751 router is used as the device of Easy VPN Server. In this example, the WAN interface IP addresses of the Cisco 1751 r
I have learned some useful questions about the password of a Cisco router. So I have studied how to use the password to protect a Cisco router. I would like to share it with you here and hope it will be useful to you. The most serious cause of security problems is often because people ignore the most basic security measures. In this article, David Davis will discuss with you the importance of using password
The Cisco 4500 series with Huawei's 9300 series switches is positioned in the product line of the entire switch product. All belong to the enterprise core-level switch equipment, today the Cisco 4500 series and Huawei 9300 Series as an article, one is that these 2 products are currently in the enterprise application of a very wide range of equipment, whether it is a party (enterprise management) or party B
Cisco's NAC Framework is an architecture designed to help multiple hardware and software components work together to protect your network from adverse client attacks. This article mainly introduces the NAC Framework architecture.
What is a Cisco NAC Framework component?
Cisco's NAC Framework tries to solve a complicated problem, so it must be a complicated solution. Fully implementing the NAC Framework is not a simple task, because the entire architec
The Cisco simulator runs in a Windows environment and consumes resources. Therefore, Dynamips is installed on an existing CentOS6Linux operating system to simulate Cisco routing and switching. 1. Download: download the required packages [root @ ciscotest] # wgethttp: // www. ipflow. utc. fr...
The Cisco simulator runs in a Windows environment and consumes resourc
If a Cisco Wireless Router is improperly configured, problems such as disconnection and disconnection may occur. It is very important for us to have a deep understanding of the details in Cisco wireless router configuration. Next we will introduce the relevant knowledge in detail.
As we all know, wireless signals are the carriers of data transmission, which means that the stability of wireless networks has
Compared with Cisco, you should pay attention to setting up a Huawei switch so that you can easily avoid common problems and enjoy a smooth sailing when setting up a Huawei switch. How to Set Up A Huawei switch has become a concern. This article explains in depth the principles, ideas, and test process of the switch.
Compared with Cisco devices. The comparison between the two is actually a comparison betwee
As a leader in the current routing market, Cisco routers have advanced routing technology. Here we mainly analyze the future development of Cisco routers. Cisco routers are the leading enterprises in the routing industry, its market competitiveness is very strong, and Cisco also brings new opportunities to partners. Re
There are multiple backup technologies for Cisco routers. Here we will introduce the router's own backup technology and line backup technology.
Generally, a router is a bridge between a LAN and a wan.
The so-called router's own backup technology is designed to solve a router's own hardware (such as memory, CPU) or software IOS fault or local port fault, network breakdown caused by the failure of the port or line of the connected local area device.
Th
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