How to erase a startup config? Hi all, I've been using the shortcut "WR E" (for 'write erase'), but I heard that is not the Cisco supported way to "reset" a router to factory defaults. So what is the Cisco way?

Comments do not display when you list the startup configuration with the show startup-config or more nvram:startup-config EXEC mode command. Comments are stripped out of the configuration file …

Oct 16, 2024 · I know 'Copy run start' command copies the current running configuration in RAM to the startup configuration in NVRAM and is more prevalent in the newer versions of routers|IOS, but Wr …

Oct 19, 2021 · For new and current CCNA candidates, this article works through the use of Cisco Packet Tracer for CCNA study - from discovering its features, to how to create and find lab exercises, to …

Jun 4, 2025 · Implementation of DHCP on IPv4 Networks Dynamic Host Configuration Protocol (DHCP) can be implemented with both IPv4 and IPv6 networks. In this article, I am going with DHCP …

Cisco Internetwork Operating System (IOS) currently has 16 privilege levels that range from 0 through 15. Users have access to limited commands at lower privilege levels compared to higher privilege …

This feature was introduced into Cisco IOS Release 12.3 (4), the Archive command enables the administrator to configure snapshots of the configuration files. The configuration is straightforward.

Flash memory - Flash memory is used to store the router's operating system (Cisco IOS), configuration files, and other system files. It is non-volatile memory, meaning its contents are retained even when …

In this discussion, lets explore the best ways to set up Inter-VLAN Routing on Cisco devices, using simple explanations and clear examples to help configure network efficiently.

May 13, 2017 · The built-in ports on the router does still not speak VTP, though. In order to configure VLAN's on your router, you do the following: interface GigabitEthernet0/0.100 encapsulation dot1q …