cisco sec

In front 0. 1. This article does not involve specific implementation, source code, or code profiling. . This article does not argue the implementation details between Linux or Cisco IOS versions. 0. 3. Please note that this article is incorrect Cisco is undoubtedly the leader in the network field, while Linux is the most dynamic operating system kernel. Linux can almost achieve all network features, but the

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

Router#show Interface E0/2ETHERNET0/2 is up, line protocol are upHardware is Lance, address is 0019.e78a.6401 Internet address is 1.1.1.9/24MTU bytes, BW 10000 Kbit, DLY 1000usec,Reliability 255/255, Txload 1/255, Rxload 1/255Encapsulation ARPA, loopback not setKeepalive Set ARP Type:arpa, ARP Timeout 04:00:00Last input 00:00:00, output 00:00:01, output hang neverLast clearing of "show interface" counters 00:03:35Input queue:34/57/0/819 Queueing Strategy:fifoOutput QUEUE:0/40 5 minute input rate

The Cisco IOS Firewall feature set integrates robust firewall functionality and intrusion detection for each network perimeter, enriching Cisco IOS security features. The Cisco IOS Firewall feature set provides a comprehensive, integrated, virtual private network (VPN) solution, if combined with Cisco IOS IPSec softwar

The Cisco PIX 501 firewall provides enterprise-class security for small office and remote workers through a reliable, Plug and Play security device. The Cisco PIX 501 Firewall is part of the market-leading Cisco PIX Firewall series that delivers powerful security features, small office networking, and powerful remote management capabilities, especially for the se

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

This article mainly to give you detailed Cisco VN-LINK network services, so how to solve the network challenges of virtualization? How can we enhance the security of VMS? This article provides detailed answers. Cisco is working with VMware to launch the next-generation server virtualization network technology. Cisco®By integrating hypervisor, VM, network, and sto

There are still prospects for the security deployment and upgrade of cisco switches. There may be no specific cisco switch security mode for the cisco switch Security description, so it may not help you, cisco switch security has become a new highlight in the switch market. Equipment redundancy is also important The ph

Article entry: csh responsible editor: csh The first device listed on R1 is R4 connected through Searial0. R1 is receiving updates from R4, which tell R1 the total time of the holttime. This command shows that the update of R1 is still more than 148 seconds. If the update is not received at the expiration time, the record will be removed from the table of R1. The Platform parameter is displayed as 1700. It can be determined that R4 is a 1000 series router, and the last column is PortID, which i

Manual implementation usually refers to the use of some hacker tools to scan and sniff the network, obtain the management account and related passwords, and install trojans on the network to further steal confidential files. The attack and deception process is relatively concealed and quiet, but it is extremely harmful to enterprises with high information security requirements. However, attacks from Trojans, viruses, and worms often deviate from the attack and cheat itself. Sometimes, they are v

Note: network upgrades cannot only focus on performance improvement, because the speed brings a temporary pleasure to the IT department ...... Cisco's IT department considers other factors when upgrading the LAN, such as management, maintenance, and spare parts ...... In many cases, Cisco first tries to solve the difficulties it encounters and designs corresponding solutions. After the Cisco IT team tests a

I. Background requirementsThe Cisco two switches need to be virtual into a single switch (similar to a switch stack), to link two-tier access switches, and to provide high availability of network links. Such as:　　For the two-layer switching 2960x needs to see the upper two n3k switches for a single device, the intermediate connection link does the link aggregation.Second, configuration detailed n3k_1 and N3K2 configurations remain consistent1, the g

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

The implementation of the multi-port Cisco switch module is a common problem. How to configure the Cisco switch module, any problems related to ports will be fully resolved in this article. Cisco switch module adaptive 1/2 Gbps interface: provides high-performance connections and is compatible with existing devices. ISL, the highest-performance inter-switch link

Precautions and categories for purchasing cisco Gigabit Switches. We will introduce the precautions for cisco Gigabit Switches. Many people may not know how to classify cisco Gigabit Switches, after reading this article, you must have gained a lot. I hope this article will teach you more things. At present, Gigabit Ethernet has become a strategic choice for high-

This article describes the upgrade steps for Cisco IOS software mirroring on the access router platform. The upgrade instance for the 2600 and 3600 series routers also applies to the router platforms listed below. Cisco IOS software filenames may vary according to Cisco IOS software versions, feature settings, and platforms. This article describes the following

In this article, I'll briefly explain the Active/standby failover configuration on the Cisco ASA. The lab is do in GNS3. Physical topology: ConfigurationCiscoasa/act/pri (config) # sh run failoverFailoverFailover LAN Unit PrimaryFailover LAN Interface failover_stateless GIGABITETHERNET0/2Failover link failover_stateful gigabitethernet0/1Failover interface IP failover_stateless 169.254.0.15 255.255.255.0 standby 169.254.0.16Failover interface IP

Cisco router SSH Login Advanced Configuration enablewww.2cto. comconfigureterminalenablesecretciscoservicepassword-encryption enable password encryption service aaanew-modelaaaauthenticationloginAAA_LOCALlocalusernamesunchaosecretcicsousernamecocoesec Cisco router SSH logon Advanced Configuration enable www.2cto.com configure terminal enable secret cisco service

There may be a lot of people who don't know about Cisco router configuration. Here we mainly analyze the Cisco router configuration commands. After reading this article, you will certainly have a lot of GAINS, I hope this article will teach you more things. Mode Conversion command for Cisco router configuration commands User Mode ---- privileged mode, use the com

are used The route of this packet. ---- GRE only provides encapsulation of data packets. It does not have encryption to prevent network listening and attacks. Therefore, in the actual environment, it often corresponds to an IP address. When the SEC is used together, IPSec provides encryption of user data to provide users with better security. The GRE protocol has two main purposes: internal protocol encapsulation and private address encapsulation. In