After Michael Lynn, a security researcher, resigned from ISS (Internet Security System), despite the obstruction of Cisco and ISS, last Wednesday, a Black Hat Security Conference demonstrated how to use vulnerabilities to attack and control Cisco routers, which aroused an uproar in the industry, and the public image of Cisco and ISS also plummeted.
On the second
Send Cisco commands via SNMPAn article by Fabio Semperboni Tutorial inShare136 Tweet
In the article "How to save configurations using SNMP", I has explained how to get the Cisco configuration using SNMP. Now, I explain how to send commands via SNMP using the "Ciscoconfigcopymib" MIB; With this MIB, you can replace Running/startup configuration, send commands, save The "show" Output or reload the devic
Understand Cisco NATA lot of things have happened to configure a NAT.1. Inside and OutsideMany people who have configured NAT in Cisco have a question, that is, the difference between inside and outside! The following describes the NAT execution sequence in the Cisco official documentation:Note the red and blue circles. For inside-outside, NAT occurs after the ro
Cisco 1800 is another core product launched by Cisco. But can this product have a place in the market, it depends on its own performance and whether it is the type of switch the customer needs.
CISCO products are widely used by network users. understanding of their typical products and their characteristics can give a general understanding of network devices, the
The features and configuration interfaces of Huawei routers and CISCO routers of the same grade are exactly the same, and some of them have also been improved according to the needs of domestic users. For example, the configuration and debugging interface that can be switched between Chinese and English makes Chinese users no longer have to face a lot of professional English words.
In addition, its software upgrade, remote configuration, backup center
It took a few days to write this blog, and the commands for configuring Cisco routers are more clearly written in the tutorials, but many commands remember that they may not be able to be used in the actual network of the enterprise, and I am here to introduce how to log in to the Cisco router using terminal equipment, How to access the configuration network, how to use some of the
Currently, Cisco access routers are widely used, and the features of media verification and encryption are one of the features of Cisco access routers. So I studied how to use the secure RTP media verification and encryption features, I would like to share it with you here and hope it will be useful to you. The media authentication and encryption features provided by the
Cisco and Microsoft announced today that they will combine Cisco's unified data center architecture with Microsoft Fast Track architecture solutions to help customers reduce complexity, increase IT efficiency, and increase business flexibility. Cisco and Microsoft have also developed development plans for solutions that have been jointly verified by both parties, it aims to help channel partners that deploy
What is the Cisco 2600 module? Where is the purpose of the Cisco 2600 module? And who can use the Cisco 2600 module? This will be described in detail below.
The Cisco 2600 modular Access Router series of Cisco Systems Ltd. provides new versatility, integration, and powerful
What is the Cisco switch module? The advanced traffic management feature in the Cisco switch module simplifies deployment and optimization of large networks, which allows many developers and users to extensively learn and study the principles of the Cisco switch module.
Cisco is a leader in the Exchange industry. Its v
Huawei and CISCO are very well-known routing enterprises in China, with a large market share. Here we mainly analyze the product configuration differences between two different manufacturers. As the largest manufacturer of complete telecom equipment and data communication equipment in China, Shenzhen Huawei has made great progress in its router products and technologies in recent years.
Its high-school and low-end Quidway Huawei router series products
Overview
Fixed-installation line-rate fast Ethernet desktop switch Cisco Catalyst 2950 series for LAN) provides excellent performance and functionality. These independent, 10/100 adaptive switches provide enhanced service quality QoS) and multicast management features, all of which are provided by the easy-to-use, Web-based Cisco Cluster Management Suite CMS) and integrate
Cisco routers use a lot of users, at the same time there will be many problems, the password is forgotten or lost users are very common problems, so I studied the Cisco router password recovery of two methods, here to take out and share with you, hope for everyone useful. When a Cisco router forgets or loses the enable password, there are two ways to recover, dep
After talking about a lot of services related to Cisco's Unified Communication System, we can summarize that Cisco's Unified Communication System includes voice services, unified messaging, and video conferencing, IP phones and other distinctive enterprise communication services. In addition, let's add other solutions.
Mobile Solutions
Cisco Unified Communication provides a variety of solutions for mobile employees working in different environments. E
I believe you should all know that the different speed limits of the router are not the same, I will mainly for Cisco router settings, the details of Cisco router speed limit and its methods.
Nvar speed limit of Cisco router
BT software now blocked will automatically change the port, some software or use 8000, 8080, 2070 and other ports, restricting these po
The Cisco Secure PIX 525 Firewall is part of the world's leading Cisco Secure PIX Firewall series, providing unmatched security, reliability, and performance for today's network customers. Its full firewall protection and IP Security (IPSEC) virtual private Network (VPN) capabilities make it particularly appropriate to protect the boundaries of enterprise headquarters.
Strong security FeaturesThe developme
In the Cisco router product, we usually need to use restricted access for general users when we initially configure. This is very important for routers, by default, our router is an open system, access control options are turned off, any user can log on to the device for further attack, so we need our network administrator to configure the password to restrict unauthorized users through direct connections, Console terminals and access devices from the
Https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/7-x/security/configuration/guide/b_ Cisco_nexus_9000_series_nx-os_security_configuration_guide_7x/b_cisco_nexus_9000_series_nx-os_security_ Configuration_guide_7x_chapter_01.html
Feature
Description
Changed in Release
Where documented
IP ACLs
Added IPV6 Wildcard mask support for access lists and object groups for Cisco Nexus 9200, 9300-e
Multimedia conferences have always been an attractive attraction for enterprises to achieve unified communication. Now let's take a closer look at the content included by the Cisco Unified Communication Multimedia Conference solution. Let's take a look at its specific structure, system integration, supported protocols, features, and other content.
Cisco Unified MeetingPlace and
Cisco router knowledge has become more and more widely used in modern enterprises. Next we will briefly learn about the secure router configuration solution.
Knowledge of nine Cisco routers required by network engineers
1. Are the routing protocols supported by Cisco routers compatible with those of other manufacturers?
In addition to IGRP and VPN, one of the
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