This post by David Papkin Planning and Implementing Storage using Microsoft Azure Storage Service Azure Storage is used to store files, and virtual machine disks, together with other types of information. Azure Storage is used by websites, mobile apps,…
Cisco Etherchannel Overview
EtherChannel Feature Overview An EtherChannel bundles individual Ethernet links into a single logical link that provides the aggregate bandwidth of up to eight physical links. Cisco IOS Release 12.2SX supports a maximum of 128 EtherChannels. You can form an EtherChannel with up to eight…
Configuring Cisco System Message Logging by David Papkin
Understanding Cisco System Message Logging This post by David Papkin is about Configuring Cisco System Message Logging By default, a switch sends the output from system messages and debug privileged EXEC commands to a logging process. The logging process controls the…
Interface and Line Numbers in Cisco Routers
This post explains the interface numbering scheme used in Cisco 1800, Cisco 2800 and Cisco 3800 Series Routers. It also includes line numbering associated with async interfaces. Existing router platforms (earlier than Cisco 1800, Cisco 2800, and Cisco 3800) contain…
Adjust Administrative Distance for Route Selection in Cisco IOS Routers
Administrative distance is the feature that routers use in order to select the best path when there are two or more different routes to the same destination from two different routing protocols. Administrative distance defines the reliability of a routing…
Understanding Cisco Auto Archive Feature to Backup Configuration File
One of the most important tasks of a network administrator is to backup the network configuration files of every Cisco device periodically. This periodicity is dictated and established by the organization policies. Frequency could be every week, every fifteen days…
Configuring Cisco IOS to automatically save the running configuration to a tftp server on save
Cisco IOS has the ability to auto-save it’s configuration when you run the write memory command. Connect to the router using Putty or some terminal program enable configure terminal archive path tftp://192.168.0.2/sw2960/sw2960.cfg write-memory exit exit In this example, we’ve configured…