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using VTP, each switch that joins a VTP domain advertises the following information on the relay port:1) name of the admin domain 2) version number (V1 or V2)3) Configuration Modification Number (0~4294967295)4) MD5 Summary5) identity of the person who updated2, the characteristics of the announcement:1) Send using multicast address: 01-00-0C-CC-CC-CC2) pass through trunk only3) VTP messages are forwarded via VLAN13. VTP Message Type:1) Notification request from the client2) Summary Notice3) Su

Interface Serial 0/1Ip OSPF authentication Message-digestIp OSPF authentication Message-key 1 MD5 12345 Regional certification: Router OSPF 1Area 0 AuthencationInterface Serial 0/1Ip OSPF Authencation-key 123 Router OSPFArea 0 Authentication Message-digestInterface Serial 0/1Ip OSPF message-digest key 1 MD5 123123 Virtual link Authentication : Router OSPFArea 1 Virtual-link 1.1.1.1 authentication Authencation-key 123123 Router OSPF 1Area 1 Virtua

Experiment topological diagram Experiment Request: Using static route to realize network interoperability, using VTP management VLAN, using three-layer switching technology to achieve VLAN communication. Experiment steps: 1, using Visio to draw a topology map 2. Planning IP Address 3, using packet Tracer 5.0 for simulation experiment. Summary of Knowledge points: This experiment set involves static route, VTP, three layer exchange three know

Switch port configurationA LAN switch is an intermediary device that provides interconnection for each segment of a network. Therefore, the physical interface on the switch does not have an IP address. The physical interfaces on the routers are connected to different networks, and the physical interfaces on the switches are different, and they are connected to devices within the network.Switch Link network

:Copy startup-config running-configwriteconfig0x2102EndReload2) Switch:Because the Cisco switch on the Packet Tracer simulator does not have the mode button, the experiment is not supported, and here is just the experimental steps: (This experiment can be done on a real switch)In general, the password recovery technique for a switch or router is to enter privileged mode by setting whether the configuration file is loaded when the device starts, and th

After learning about the basic knowledge of the vro, we will officially intervene in the use of the vro from the beginning of this article. This article describes how to use the hardware connection of the router. A vro is a type of high-end network access device used for interconnection between networks. Because the vro can connect to a variety of networks, there are many interface types. Therefore, befor

Learning examples of conventional network configuration commands and advanced IP address routing commandsBy kindgeorge 2005.5.9Knowing how to configure network commands is a must-have technique for general technicians. After some time of research and study, I have summarized some common commands and examples for future reference.The traditional IP advanced routin

) UNPACKED_IP_ADDR = Socket.inet_ntoa (wlc_ip_addr)Hex_prefix = ' f104 'Print "IP Address:%s = option43 hex%s" \% (Unpacked_ip_addr,str (hex_prefix) +hexlify (WLC_IP_ADDR))ElseWhile True:Put_number = Raw_input (' Enter the WLC IP: ')If put_number!= ' Q ':For ip_addr in [Put_number]: WLC_IP_ADDR = Socket.inet_aton (ip_addr) UNPACKED_IP_ADDR = Socket.inet_ntoa (wlc_ip_addr)Hex_prefix = ' f108 'Print "IP Address:%s = option43 hex%s" \% (Unpacked_ip_addr,str (hex_prefix) +hexlify (WLC_IP_ADDR))ElseS