Http://acm.hdu.edu.cn/showproblem.php? PID = 1, 3350 Problem descriptionhave you used # define in C/C ++ code like the code below?
# Include Run the code and get an output: 5, right? You may think it is equal to this Code:
# Include But they aren't. though they do produce the same anugh, they work in two different ways. the first code, just replace the max (2 + 3, 4) with (2 + 3)> (4 )? (2 + 3): 4), which calculates (2 + 3) twice. while the second cal
an IGMP exit request, it moves the host port number from the entry of the content addressing memory CAM table.
By supporting hardware IGMP listening and implementing IGMP listening configuration through the Cisco cluster management suite, the Catalyst 2950 vswitch provides excellent performance and ease of use when controlling and managing LAN multicast applications.
Cisco Cluster Management Suite
attaches the host port number to the group Destination Address GDA) list. Similarly, when the switch hears an IGMP exit request, it moves the host port number from the entry of the content addressing memory CAM table. By supporting hardware IGMP listening and implementing IGMP listening configuration through the Cisco cluster management suite, the Catalyst 2950 vswitch provides excellent performance and ease of use when controlling and managing LAN m
From today onwards, let's show a few of the basic features of Cisco UC, one of the first basic features: Cisco IP Phone.The word Cisco CUCM is bull x!Knowing that the CUCM is a ippbx in a cow's lecture, it provides the phone function of the IP phone to replace the traditional analog phone.In fact, know this is a broken cow, but also in the study of Microsoft's UC
Half a year five acquisitions Cisco intensive integration for self-redemptionWu MicroCisco, a "takeover guru", recently announced a new deal.The acquisition was Cloudlock, a cloud security company, with a total transaction price of $293 million. This is the fifth takeover deal that Cisco has launched this year.As the world's largest network equipment manufacturer, Cisco
With the advent of the Internet era, more and more work and information technology-related, in the requirements of the times, each person's development and employment needs to have the knowledge and quality of the Internet, then in this do not test the certificate of the age, Cisco gold content such a high certificate in the end there is no use? The leading-edge education small compilation uses the data to explain the question.Because our large depart
Internet Operating System (IOS) is Cisco's private core software package, which is mainly implemented on Cisco routers and switches. Cisco IOS software uses a set of value-added technologies and features to provide Internet intelligence.Cisco IOS includes a group of superb network technologies, mainly composed of internet devices such as a single router, it is used to provide shared media hub vro modules, v
"Introduction" is a Cisco with Stackwise Plus? Catalyst? The 3750-E series switches are an enterprise-class, stand-alone, stackable wiring switch family that supports the deployment of secure converged applications and maximizes investment protection based on the development of network and application requirements. By combining A/V and power over Ethernet (PoE) configuration with a Gigabit Ethernet uplink, the Cis
12000 the Cisco router series is very suitable for small and medium-sized enterprises. Here we mainly analyze the performance characteristics of the Cisco router series. In today's information age, enterprise mail has become an essential tool for business communication and communication. With the new routing technology, enterprise mail also has more and more innovative features.
However, compared with diver
After the popularization of broadband, Cisco wireless router settings are frequently faced. So today, I am going to introduce you to the configuration skills of Cisco Wireless routers. I hope this article will teach you more things and bring convenience to your life.
After broadband popularization, many friends who have multiple computers or laptops want to install wireless hotspots at home. Because they se
Tags: HSRP working principle STP effect ACL access control List loop storm Cisco private protocolDay 031. What is HSRP? How does it work?HSRP: Hot Standby Routing protocolHSRP is a Cisco private protocol that ensures that user communication can be quickly and transparently restored when a network edge device or access link fails.This provides redundant rows for the IP network. By using the same virtual IP a
Overview
This product announcement focuses on Cisco®Catalyst®Cisco IOS on 6500 series switches®See Figure 1 ).
The Cisco Catalyst 6500 series, modular with Cisco IOS software, improves operational efficiency and minimizes downtime through continuous evolution of software infrastructure. By running the modular
WIN8 Cisco VPN 442 Error solution/Error Code 442 Cisco VPN Clinet with Windows 8 when you start using win8, because of work needs to use Cisco VPN Client, however, in win8, the Cisco VPN Client reports a 442 Error and cannot be used. The following Error message is displayed: Error Code 442 while connect to VPN server b
Cisco 5000 ATMLANE MOUdle password recovery
Password Recovery Procedurefor the Catalyst 5000 atm lane Module
Description
This document describes the password recovery procedure for the Cisco Catalyst 5000 atm lan emulation (LANE) module(WS-X5153/5154/5155/5156/5157/5158/5166 ).Step-by-Step Procedure
In order to recover a password, you must download a recovery image onto the ATM module that will erase the
"Introduction" Within a switched network, it is possible to segment and organize flexibly through VLANs. VLANs can group devices in a LAN. A group of devices in a VLAN communicates as if it were connected to the same line. VLANs are based on logical connections, not physical connections. Types of VLANsThere are many different types of VLANs used in modern networks. Some VLAN types are defined by traffic category. Some other VLAN types are defined by specific features.Data VLAN: used to deliver u
Automatic backup and fallback of Cisco iOS profiles requires the use of the Archive Archive configuration mode feature of iOS. In general, only the version number of iOS has the Archive configuration mode feature in 12.3 (4)
Cisco iOS profile automatic backup All commands are as follows:
router>
Router>enable
Router#configure Terminal
Router (config) #archive
Router (config-archive) #write-memory
Trunk Link Trunk: Same inter-VLAN communication on different switchesHow to play tag tag encapsulationPackage Type: IEEE 802.1q/cisco ISLIEEE 802.1q:4 Bytes, internal encapsulation, publicCisco isl:30 bytes External encapsulation, privateSwitch port configuration mode: Trunk/acces (OFF)/Dynamic desirable/dynamic AutoTwo auto NO mode of operation generally either trunk or accessEthernet Channel: Multiple physical ports to form a logical port for greate
CISCO router switch SNMPv2 configuration, cisco Router
Cisco router SNMP Configuration
Snmp-server community CQGASPZW-R RO // ro read-only
Snmp-server trap-source Loopback0 // use the loopbackaddress as the source address of the message sent by the trap.
Snmp-server host 50.1.50.3 version 2c CQGASPZW-R udp-port 9006 // configure the SNMP server IP address, SNMP
Basic configurations of Cisco routers and Cisco router configuration commands
En -- enter the privileged mode config t -- enter the global configuration mode wr (OR) -- save the configuration (otherwise, the configuration fails before the power-off)
1. Set the password for entering the vro Console
In global configuration mode, enter line console 0 --- enter the '0' Interface password 123 -- set the password
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