cisco 3900 switch

Whether it's on a Cisco router or a network device such as a Cisco switch, the standard ACL access control list is always unable to match both the traffic source address and the destination address, nor does it meet the requirements of the "granular" control of the current network world, such as: A service function that allows access to a server, However, pinging

Cisco 3750 switch stack configuration points 3750 stack is a real stack, the Catalyst 3550 series uses StackWise technology, it is an innovative stack architecture, A 32 Gbps stack interconnection is provided to connect up to nine switches and integrate them into a unified, logical, and optimized device for convergence, in this way, customers can deploy voice, video, and data applications with greater confi

Cisco switch iOS upgrade, actually quite simple, but need to note is, can not let the switch flash storage is empty, must have an iOS in, or no iOS in Flash, waiting to upload iOS with Xmodem, so your time can be a lot of waste ah. Because the Rommon mode is not available for the Cisco Catalyst 2950, 2960, 3550

Lab Environment:650) this.width=650; "alt=" Cisco Packer Trace three layer switch + router sharing internet-Ibm.chick-mingkang.zhou "src=" http://img2.ph.126.net/Dz -huesti3hye1avbt8nsa==/2835578915401090952.png "style=" border:0px;height:auto;margin:0px 10px 0px 0px; "/>Experimental Purpose:1, the three layer switch divides three VLANs, is Vlan2\vnal3\vlan4, and

In many cases, we may need to log on to the Cisco switch to execute some common viewing commands, but it is troublesome to run cmd, enter the password, and enter the command. The discovery can be achieved through batch processing, as shown in figureLog on to the Cisco switch 192.168.0.1 and Ping another

Tags: Cisco configuration switch Management address and default gatewayConfigure the switch remote management address and default gatewayThe topology diagram is as follows:650) this.width=650; "Src=" Https://s1.51cto.com/oss/201710/29/1b8f7b6af37801733cf03704e748d09a.png-wh_500x0-wm_3 -wmp_4-s_475699717.png "title=" 57.png "alt=" 1b8f7b6af37801733cf03704e748d09a.

It is also helpful to understand some of the knowledge about switch configuration, and here we explain the main statements and procedures for Cisco switch configuration. Last talk with you about how to properly connect the switch, today with some configuration clips to introduce the port configuration. Given that most

How to view the configuration of a Cisco switch interface, the following small set of specific operations 1, first Cisco switch boot, computer connection, enter the user mode, as shown in the picture: 2, enter "Enable" or "en", into the privileged mode, as shown in the figure: 3,

Tags: cisco/remote configurationIn actual work our routing and switches are always placed in the room to facilitate our work we need to configure the routing and switches so that we can configure the routers and switches in the office or at home.This is a simple network topology diagram where a computer-connected route configures the switch across network segmentsFirst we determine the PC ip:192.168.1.1 255

Lab Environment:The company has a Cisco switch that forgets the login password and cannot enter into privileged mode.Implementation features:To modify the login password in privileged mode1, desktop----start----All Programs----attachments----hyperterminal----files----New Connection---CustomThe name test----OK.2. The COM1 (depending on the actual situation) used in the connection is----determined.3, Rate: 96

Cisco switch Basic configuration: Console Port connectionUser mode hostname#;Privileged mode hostname (config) #;Global configuration mode hostname (CONFIG-IF) #;Switch Password settings:switchgt;enable; Enter privileged modeSwitch#config terminal; Go to global configuration modeSwitch (config) #hostname Csico; Set the host name of the switchSwitch (config) #enab

Switch configuration command base user mode hostname#; Switch Configuration Command Basics User mode hostname#; Privileged mode hostname (config) #; Global configuration mode hostname (CONFIG-IF) #; Switch Password settings: Switch Basic configuration Includes VLAN creation, deletion, setting of port propertie

If the switch login password is forgotten, don't worry, as long as you have a PC, there are similar HyperTerminal (Hyper Terminal) This is a terminal program, connected to the switch console port, then the password recovery is n simple. 1. For the Catalyst 2900/3500XL series: Disconnect the power cable from the switch, and then press and hold the

Cisco Nexus 3000/3500 switch default credential Vulnerability (CVE-2016-1329)Cisco Nexus 3000/3500 switch default credential Vulnerability (CVE-2016-1329) Release date:Updated on:Affected Systems: Cisco Nexus 3000 Series SwitchesCisco Nexus 3500 Platform Switches Descript

successfully and you can view your saved files on the TFTP server.4. Restore your configuration file, ping the TFTP server, keep the connection, download from TFTP to the routerCopy tftp running-config Download the previously configured backup from TFTP and restore the router's configuration fileIP address of the 192.168.1.1 TFTP serverRUNNING-CONFIG-BK you want to restore the backed up files in TFTPRunning-config a name for your recovered files.Final reload, successful restart, successful reco

#!/usr/bin/pythonImport SysImport timeImport OSImport Pexpectnow = Time.strftime ('%y-%m-%d ', Time.localtime (Time.time ()))AA = open ('/home/hanlei/test/%s/log.txt '% now, "W")Fout = open ('/home/hanlei/test/%s/log.txt '% now, "W")IP = open ('/home/hanlei/test/switch_ip ', ' R ')PASS = open ('/home/hanlei/test/switch_passwd ', ' R ')While 1:Readip = Ip.readline ()Readpass = Pass.readline ()If not READIP:print ' END 'BreakFoo = pexpect.spawn (' telnet%s '% Readip)Foo.log_file = FoutFoo.expect (

server and the client are in the same network segment and are not DHCP relay agents, for Cisco's DHCP In the case of a server, if a request packet with Option82 is received, it is considered a request message from a DHCP relay agent, and the Giaddr field of the message is checked, but because it belongs to the same network segment, the field is 0.0.0.0 DHCP. The server will consider an illegal address, and this message will be discarded, causing the client to obtain no IP address(iv)

1. Experimental topology650) this.width=650; "Src=" https://s4.51cto.com/wyfs02/M00/97/B2/wKiom1kxPDizomXqAABw1vEUgaA990.jpg-wh_500x0-wm_ 3-wmp_4-s_3605733301.jpg "title=" rspan.jpg "alt=" Wkiom1kxpdizomxqaabw1veugaa990.jpg-wh_50 "/>2. Switch configuration4F-IDC-01 ConfigurationVLAN 100Remote-spanMonitor session 1 Source VLAN 13Monitor session 1 destination Remote VLAN 1004F-IDC-04 ConfigurationVLAN 100Remote-spanMonitor session 2 Destination interfac

Cisco switch Product Name Description Catalyst nn xx [-C] [-M] [-A/-EN] NN is the serial number of the switch XX for A fixed configuration switch is the number of ports, for A modular switch, the number of slots C indicates that the fiber-optic interface M indicates that the

Calculate the bandwidth of the backboard of a Cisco switch. It is the maximum amount of data that can be transferred between the vswitch interface processor, interface card, and data bus. The higher the bandwidth of the backboard of A vswitch, the stronger the ability to process data, but the design cost will also rise. Www.2cto.com but how can we check whether the bandwidth of A vswitch is sufficient? Obvi