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, configure the router to access other network segments required by the gateway18. Show the status of each line19, transport input all, allow all protocols to enter the line20, int loopback0, enter Loopback0 interface21, IP host R1 2033 1.1.1.1, a host name for the 1.1.1.1 host22. Alias Exec CR1 Clear line 33 for Clear Line command23, privilege exec level 0 clear line, the command clear line to 0, in user m
The general router's access to set a lot of passwords, if not careful to forget the words that can be troublesome, without the password on whether there is nothing to do? Below, introduce a few simple commands to reset the route's password.
In many ways, we choose Cisco Packet Tracer Simulator such tools to restore the password, generally before we start the router set a enable password and open the
Solve the Problem of waiting for the CISCO wrong command. When a command is wrong in the CISCO command line, the command always displays Translating "*******"... domain server (255.255.255.255) has to be stopped for several second
As we have mentioned earlier, the vro itself has an independent operating system and needs to face various complex network environments. Therefore, the configuration process of the vro is not a simple process. In addition to some basic configurations described in the previous article, many special configurations, such as Wan Protocol configuration and LAN protocol configuration, are also required in actual applications. This article describes the most common
The cisco 2621 router networking configuration command uses the cisco2621 router to form a small LAN, note: Configure command 1, configure the access password conf tenable secret flw521521line vty 0 4 password Authentication service password-encryption limit 2, configure int
file storage pathswitch# show users to see which users are logged on to the local device;switch# Clear Line (number) clears a specific user;switch# Show session to view the sessions initiated by the local device;switch# Resume {ID} quickly switches between sessions;Switch#disconnect/resume {ID} disconnects/restores the specified session;switch# Reload Restart the router device;switch# Show users to view the current logged-on user of the device;CTRL +
When a Cisco command line is wrong, the command always displays
Translating "********"... Domain Server (255.255.255.255)It takes several seconds to stop and does not support interruption, Which is annoying.
This is because IOS uses this command as a machine name for parsing. So it takes several seconds to stop.
Log
"1" resolves the cisco switch password forgetting reset method:1, power off + the front panel hold down the mode key, and then re-power, always press the switch front panel port 1 indicates from green to off does not light off, automatically into the switch mode;2, input? See what configuration commands are (optional), enter "Flash-init" reset initialization, enter "Load-helper" to load the Help file, and see what "Dir flash" is in the Flash file. Fin
and status of an interfaceShow IP interface lists the state and global parameters of the interfaceShow IP protocols displays the parameters and current status of the active routing protocol processShow IP route displays the current status of the routing tableShow ip router displays IP routing table informationShow IPX interface shows the status of the IPX interface set by Cisco IOS software and the paramet
Using the DEBUG command can help us ts, but using the DEBUG command will usually output a lot of information, many of which are unnecessary and cause high CPU load, in this case, we can limit the debug output.You can apply the ACL to debug to limit that only the required debug information is output.For example, to view only ICMP packets from 1.1.1.1 to 1.1.1.2:Router
The software fault in the equipment fault occupies a very large proportion, and the network security in software fault is the most important problem. In general, these devices have problems, then all the computers of the enterprise staff will not be able to smoothly access the Internet, the need to protect the router and switch safe operation, you must add a high level of security password for the routing switch device.
First, add users and Passwords
Command line Interface, CLI, is a DOS command line-based software system pattern that is case-insensitive. This mode is available for routers, switches, and firewalls. The CLI can abbreviate commands and parameters.The following are some common configuration commands for routers.User Mode-Privileged mode1. When the first boot succeeds, the Cisco
Command line Interface, CLI, is a DOS command line-based software system pattern that is case-insensitive. This mode is available for routers, switches, and firewalls. The CLI can abbreviate commands and parameters.The following are some common configuration commands for routers.User Mode-Privileged mode1. When the first boot succeeds, the Cisco
already has a file that only filters ICMP, you can select "Copy Sample Profile", select IP/ICMP, and click OK.
(4) Of course, you also need to Define "address" in the Define Filter window to capture ICMP traffic between the local host and any host.
3. capture process
Run Sniffer Pro, click F10 to start the capture process, open a CMD window on the local machine, and send TRACERT-d 10.4.153.165 (when the tracert command with the-d option is used, TRAC
h3c s5024p Switch h3c ar28-31 Router CommandsSwitch command switches for each view:Note that the command executes in the corresponding view
Type the QUIT command under User view to disconnect from the switch. Type the QUIT command in other views to return to the pre
Serial port configuration command
2.2.1 async mode: sets the link Creation mode for asynchronous serial ports.
Async mode {dedicate | interactive}
Default condition]
The default link creation method for asynchronous serial ports is dedicate ).
Command mode]
Serial Port Configuration Mode
User Guide]
Asynchronous serial ports can be established in two ways:
Directly Using Dedicate): After successful dialing
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