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Showing posts with the label CCNA

Online CCNA Lab

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The Cisco CCNA network associate certification validates the ability to install, configure, operate, and troubleshoot medium-size routed and switched networks, including implementation and verification of connections to remote sites in a WAN. This new curriculum includes basic mitigation of security threats, introduction to wireless networking concepts and terminology, and performance-based skills. This new curriculum also includes (but is not limited to) the use of these protocols: IP, Enhanced Interior Gateway Routing Protocol (EIGRP), Serial Line Interface Protocol Frame Relay, Routing Information Protocol Version 2 (RIPv2),VLANs, Ethernet, access control lists (ACLs). 1 Console Login 2 Router Configuration 3 Examine the Router 4 Copy to a TFTP server 5 Copy from TFTP server 6a Clear the backup config 6b Saving the backup configuration 7 Copy to NVRAM 8 Initial router configuration 9 Initial Switch Configuration 10 RIP routing 11 IGRP routing 12 Create Accesslist 13 IPX Access List ...

Connecting to Cisco Router console port using Linux

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I tried to connect my Ubuntu laptop to Cisco Router console port. I did successfully. What you will need: A roll-over cable (Cisco Console Cable). These are usually RJ-45 on the router side and serial on the PC side. If your laptop doesn’t have a serial port (like mine) you can get a 9-pin D-sub serial to USB cable. I got the BAFO USB Serial to DB9. I bought it in Ambassador Mall Kuningan Jakarta last night. Get Connected: Connect all the cables: USB -> Serial -> Crossover –> Console Port Download and Install Putty . root@dion-laptop:~# apt-get install putty Make sure that the USB to serial cable is recognized. root@dion-laptop:~# dmesg | grep tty [ 0.004000] console [tty0] enabled [ 1.923508] tty ptyx4: hash matches [ 131.637904] usb 3-2: pl2303 converter now attached to ttyUSB0 [ 173.768300] type=1503 audit(1243914954.561:5): operation="inode_permission" requested_mask="w::" denied_mask="w::" fsuid=0 name="/dev/ttyUSB0" pid=...

Subnet Calculator

Don't be confused to calculate subnet of your IP Address. Please download and try this tool from Boson. Also useful to check wildcard Mask. It displays Host IP address, mask bits, the class of address, range of addresses for that class and the binary representation of that address.