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Tool used in the experiment: Xiao fan Simulator 1. On router R1, configure the interface, start the ospf routing process and rip, advertise the network segment, and configure route redistribution.★☆R1 ☆★☆→Router>Router> enableRouter # config

I currently know about the file server high availability solution through Cluster and DFS. What are the recommended methods? What additional methods are there to achieve redundancy?A: Yes. The basic methods are cluster and DFS. DFS costs are low.

  Some people are not familiar with OSPF Authentication because of the OSPF Authentication question. I wrote this article to help you.   OSPF Authentication is divided into region authentication and interface authentication. encryption methods

  Understanding layer-3 Interfaces Layer-3 interfaces are classified into two categories: Physical Layer-3 interfaces and logical layer-3 interfaces. logical layer-3 interfaces include layer-3 VLAN interfaces and routing sub-interfaces. layer-3 VLAN

  13. multicast routing protocol-PIM (protocol-Independent Multicast Routing Protocol)   Multicast Routing Protocol classification-dense mode and Sparse Mode   Multicast branch tree   1. STP ---- source tree, Shortest Path Tree   To maintain table

  Answers to some minor questions about VPN       --------------------------------------------------------------------------------   　 How is the metric definition of the network type?     What protocol data packets does VPN have?     How can I

Manual Summary of vrouters and vpcsRequired DevicesThe following are the required devices for this lab:1) Two Cisco routers with one serial port;2) Cisco IOS 10.0 or later;4) a pc that runs the terminal simulation program;5) a Cisco DTE/DCE

Recently, I have been asked how to implement access control between VLANs on a Cisco switch. Generally, I will tell the other party how to apply the ACL to the virtual port of the corresponding VLAN on a layer-3 switch, in fact, I have no chance to

I. CausesA broadcast storm means that too many broadcast packets consume a large amount of network bandwidth and normal data packets cannot be transmitted over the network. Generally, a broadcast packet causes multiple responses, each response

Time/System TimeDate/System DateLevel 2 Cache Level 2 CacheSystem MemoryVideo ControllerInvalid LCD Panel ModelAudio ControllerModem Controller Modem)Primary Hard DriveModular Bay module BracketService TagAsset TagBIOS VersionBoot Order/Boot

ACL Configuration1. ACL Configuration:------------------------| Category of the access control list | number range || -----------------------| Basic access control list | 2000-2999 || -----------------------| Extended access control list | 3000-3999

1: The main program sends a text message at the application layer.2: After arriving at the transport layer (tcp), send text in a udp packet and wait for three messages to be accepted. Ethernet packet arrival information, ARP heavy load information,

Cisco's hot backup routing protocol (HSRP) can provide A backup router when workstation A does not expire, and HSRP can create A virtual router with A virtual MAC address and virtual IP address. Assume there are two routers, Bluestudy A and

Ethernet frame format:  1. An Ethernet frame consists of five fields.1> the first two fields are 6-byte destination addresses and source address locations. 2> the third field is a 2-byte type field, which indicates the protocol used on the previous

Defining the log parameters in the ACL in cisco is easy to use. If the log parameters are added, all entries that comply with the rules will send a log message. If they are the same data packets, logs will be sent at a certain interval. It is

TTL is a value in the IP protocol package. It tells the network whether the packet is discarded because the time in the network is too long. There are many reasons that the package cannot be delivered to the destination within a certain period of

In WCF, HTTP and Tcp Protocols are often used for duplex communication. The corresponding protocols are WsDualHttpBinding and NetTcpBinding.HTTP is based on the application layer protocol, while Tcp is based on the transport layer protocol. Tcp uses

The IPv6 address is 128 bits ). Divide the 128-bit address into 16 segments, convert each segment into hexadecimal numbers, and separate them with colons. For example, the address 2000: 0000: 0000: 0000: 0001: 2345: abcd is very long. You can use

RFC4291, the type of IPv6 unicast address IPv6 address is a relatively new knowledge, many people were dizzy by the IPv6 address type when they first started learning. In addition, the update of the RFC also abolished or introduced some addresses.

To read a specified email through the POP3 protocol, you must first install the maillib library. Assume that I want to obtain the first URL of each email sent by Douban in a week. The Python code import poplib import maillib from datetime import