cisco router commands list

A Cisco router is a commonly used network device. But what is the storage type of a vro? We will give you a detailed introduction through this article, and hope to have a deeper understanding of Cisco routers after reading this article.Memory category:1: RAM: Random Access to memory, equivalent to computer memory2: ROM: read-only memory. Some microcodes used to s

When I got up this morning to go to the forum, I saw a post. Ask how to solve the following problem? A Cisco three-tier switch divides 3 VLANsVLAN 2:IP 192.168.1.1 255.255.255.0 192.168.1.254 Network SegmentVLAN 3:IP 192.168.2.1 255.255.255.0 192.168.2.254VLAN 4 IP 192.168.3.1 255.255.255.0 192.168.3.254Each VLAN can communicate with each other.Now add 1 Cisco routes to achieve shared Internet accessCisco

Assume that two Cisco routers and R1 (server) connect to R2 (client) to form a simple chained lan. DHCP is implemented below. The configuration commands and explanations are as follows: 1. Configure the R1 dhcp Service Dhcp # configure terminal // Enter global Mode Dhcp (config) # service dhcp // Enable the dhcp Function Dhcp (config) # no ip dhcp conflictlogging // Disable dhcp logging Dhcp (config

the requests to prevent such attacks. That is to say, the router will replace the host for connection. TCP intercept) can work in two modes: interception and monitoring. Intercept mode) in intercept mode. The Router intercepts all t c p synchronization requests, establishes a connection with the client on behalf of the server, and establishes a connection with the server on behalf of the client. If both co

In this experiment, the speed limiting device of a Cisco router is completed by a Cisco2811 router. In this experiment, we will first look at the flash: www.2cto.com yourname # dirDirectory of flash on the router in two ways: /1-rw-25438028 Oct 22 2010 02:25:58 + 02:26:08 c2800nm-ipbase-mz.124-15.T.bin2-rw-1505280 Oct

Use the home ADSL line and use the CISCO router to build the PPPoe Server so that the PC can access www.2cto.com R1 (config-if) # do sh runBuilding configuration... Current configuration: 1470 bytes! Version 12.4 service timestamps debug datetime msecservice timestamps log datetime msecno service password-encryption! Hostname R1! Boot-start-markerboot-end-marker !! No aaa new-modelmemory-size iomem 5 !! Ip

This article describes in detail how to configure an ACL from the basic concepts, usage principles, and access time. If someone says that a route switch device is mainly used for routing and switching, it must be a layman only when it is used for routing and switching data packets. We can use a common HUB only to exchange data packets. If we only use the routing function, we can select a WINDOWS Server for remote routing access configuration. In fact, there is another use of routers and switches

Cisco router ACL wildcard192.168.1.20-192.168.1.50 range of networksA contiguous address, the form of a wildcard mask must be:11111111=25501111111=12700111111=6300011111=3100001111=1500000111=700000011=300000001=1For range 20-50, be sure to use Access-list 1 per 192.168.1.0 0.0.0.63, then go head to tail0-16 the maximum block address that can be contained is 16

/1!Interface SERIAL1/2!Interface SERIAL1/3!!EndSimilarly, if you want to see more interface interface information. Add the following command:wxxq01 (config) #privilege Configure All Level interfaceWxxq01#sh RunBuilding configuration ...Current configuration:604 bytes!Boot-start-markerBoot-end-marker。。。。。。。。。。。Interface ETHERNET0/3IP address 172.16.11.212 255.255.255.0Half-duplex!。。。This is what you found, all the contents of interface below are seen. If you only want the user to see the IP addre

-If) # ex R3 (config) # router rip R3 (config-router) # network 3.3.3.0 R3 (config-router) # network 192.168.10.0 R3 (config-router) # network 192.168.20.0 R3 (config-router) # network 192.168.30.0 R3 (config-router) # network 192

There are too many Qos information on the Cisco Router Traffic Control instance, but many of them are not practical. I have talked about a lot of theories. The following are the configurations on the routers of a subsidiary for your reference. In fact, as long as you understand the meaning of NBAR, CBWFQ, and WRED, traffic control can be configured as needed. Www.2cto.com Description: A subsidiary uses a 2

When configuring the Cisco 3560 switch in the morning with the Cisco Packet Tracer practice, it is found that the IP address of the port cannot be configured in port configuration mode.Switch>Switch>enableSwitch#configure TerminalSwitch (config) #interface F0/1Switch (config-if) #?DhcpOnly DHCP commands are available. Check on the Internet, the original switch po

customized within a Network as needed without application. In the network, computers communicate through internal IP addresses. When the internal computer needs to communicate with the external internet, the device with the NAT Function (such as a router) converts an internal IP address to a valid IP address (that is, the requested IP address) for communication. 　　 2. NAT application environment 　　　　 Scenario 1: an enterprise does not want external n

) #interface gigabitethernet0/0.1Router (config-subif) #encapsulation dot1q 2Router (config-subif) #ip address 192.168.1.1 255.255.255.0DhcpWanglei (config) #ip DHCP excluded-address 192.168.1.1Wanglei (config) #ip DHCP pool dhcppool1Wanglei (dhcp-config) #network 192.168.1.0 255.255.255.0Wanglei (dhcp-config) #default-router 192.168.1.1Wanglei (dhcp-config) #dns-server 192.168.1.1Wanglei (dhcp-config) #dns-server 61.128.114.133Static NATRouter (confi

, dynamic address translation, and multiplexing dynamic address translation. The following example uses a Cisco router.1. Static address translationStatic address translation performs one-to-one conversion between the internal local address and the internal legal address, and specifies the legal address to which the conversion is required. If there are WWW servers or FTP servers in the internal network that

I. troubleshooting commands 1. show command:1) Global commands:Show version; displays the system hardware and software versions, DRAM, flashShow startup-config; displays the configuration content written into NVRAMShow running-config; displays the currently running configuration contentShow buffers; Detailed output buffer name and sizeShow stacks; provides the router process and processor utilization infor

Update the public ip address of the Cisco router. First, confirm how your network is going. Here we will talk about the configuration based on our network: first, remove the default route no ip route 0.0.0.0 0.0.0.0 xxx. xxx. xxx. xxx adds the new default route www.2cto.com ip route 0.0.0.0 0.0.0.0 xxx. xxx. xxx. xxx then remove the ACL to overwrite the no ip nat inside source

Cisco router VLan isolation LAN broadcast packet configuration experiment and summary, ciscovlan 1. Tutorial Description: connect to and set the IP address of the PC according to the network topology. PC1 and PC2 are required to be accessed on VLAN 12, while PC3 and PC4 are accessed on VLAN 34, PC1 and PC2 are interconnected, PC3 and PC4 are interconnected, and VLan 12 and VLan 34 are interconnected to isol

EnConf tHostname Cisco3800Interface Loopback0IP address 6.6.6.6 255.255.255.0Interface fastethernet0/0Description WANIP address 119.200.27.50 255.255.255.252IP Nat ousideInterface FASTETHERNET0/1Description LANIP address 192.168.6.1 255.255.255.0IP nat InsideIP Route 0.0.0.0 0.0.0.0 113.200.27.49 Telecom Unicom Next hopIP Route 192.168.3.0 255.255.255.0 192.168.6.2IP Route 192.168.4.0 255.255.255.0 192.168.6.2IP nat Pool www 119.200.27.50 119.200.27.55 netmask 255.255.255.252IP nat inside source

NAT configuration instance for cisco router with port ing If the ISP provides many IP addresses, you can use NAT to map an external address to each server. However, if it is not the case (for example, if it is only two times), there are four servers in the Intranet that need to provide external services, one for Intranet address translation and the other for providing services on the Internet.Interface fast