The group unified switch iOS upgrade, enhanced security, the following is the upgrade and backup Cisco WS-C3750G-24TS-1U switch Operation instance.Required Tools: TFTP tool, SECURECRT, download latest iOS (available to Cisco official website), console lineFirst, use the cons
maintenance requirements of the Training Center are as follows:* Upgrade the IOS version of some vswitches to support more features.* Repair the damaged router IOS.*Tip:In the experiment environment, IOS upgrades are also common. For example, if a CISCO 2950 switch is frequently suspended, the switch that is suspended does not have any warning information. After
In LAN maintenance, sometimes we need to backup and restore the configuration of network devices.
Believe that a lot of network administrator backup configuration is to use the display current command to query the present device run configuration information, and then use CTRL+C,CTRL+V to save the information to the TXT document, or directly to capture the screen output method to save information.
When re
Old version of the software use instructions:
Support Switch, Hua San, cisco (Ruijie) switches need to configure Vty to allow Telnet.
How to use:
The first step to enter the switch two password, "T password" for the vty password, is telnet up the first password. "s password" is Huasan's super password, or Cisco's enable password
The second step is to select t
As a network operations engineer, if the management of the routing, switching equipment more, then you will also encounter the same problem with me: The device configuration is often adjusted, especially the access layer switch, in case you forget to save the configuration, and the next day a switch power-down restart, you have forgotten the previous configuration, Causes the network restore configuration t
--1rootroot30020512 Month 100:0810.06.99.17_ 2016-12-01_00:00:01.log-rw-r--r--1rootroot31633512 Month 100:08 10.06.99.15_2016-12-01_00:00:01.log-rw-r--r--1rootroot37729512 month 100:0810.06.99.01_2016-12-01_00:00:01.log Cisco devices because for a two password, you can modify the script to pass more than one password parameter, and change the corresponding command to Cisco's command.This article is from the "Speed of Light" blog, be sure to keep this
the data connection; File transfer completed successfully.ftp:778 byte (s) sent in 0.180 second (s) 4.32Kbyte (s)/sec.All of this is done, and you can see the configuration files for the spare parts under the specified FTP server folder.650) this.width=650; "src=" Http://s4.51cto.com/wyfs02/M02/87/1F/wKioL1fVFxjRz7wnAAGItLceMwU715.png "title=" 1.png " Width= "height=" 483 "border=" 0 "hspace=" 0 "vspace=" 0 "style=" width:700px;height:483px; "alt=" Wkiol1fvfxjrz7wnaagitlcemwu715.png "/>Everyone
In the ordinary work need to back up the switch configuration regularly, if a manual backup, the workload is very large, there is no good tool to reduce the workload of our backup? After searching for data, it is found that expect scripts can be used to implement, expect can interact with the shell to enable the Linux shell to support interaction. Allows us to lo
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