In this article, I’ll give an example of setting time and setting NTP to automatically synchronize time on Cisco switches.Continue reading “How to configure time (NTP) on Cisco”
Once on a single Cisco 6509e switch configured as L3 and with a standard CPU load of 10%, the load suddenly increased to 40%.Continue reading “Cisco 6509e Net Input CPU Load”
Using an example, I will configure the Cisco Catalyst 6509-E with firmware 12.2 (33) SXJ7.
And so, connect to the console port, the standard speed is 9600 bps, 8N1.
Example of commands to view information about firmware and hardware:Continue reading “Configuring Cisco Catalyst 6509-E”
To limit access to the management of the Cisco Catalyst 6500, first we make an access-list with IP addresses from which we will later allow us to connect to the device via SNMP, telnet, etc.:Continue reading “Cisco Catalyst 6500 Management Access Restriction”
On the test I will configure Cisco Catalyst WS-C2960-24TT-L with firmware 12.2(25)FXContinue reading “Configuring Cisco Catalyst 2960”
Once on a Cisco Catalyst 6509-E, I noticed that the SYSTEM LED on the WS-SUP720-3BXL is lit red.Continue reading “Red SYSTEM LED on SW-SUP720-3BXL”
In this article, I will describe the Cisco Catalyst 6500 online diagnostic commands.Continue reading “Online diagnostics Cisco Catalyst 6500”
Once after a power outage, on Cisco Catalyst 6509-E, instead of the main module WS-SUP720-3BXL, only the backup module was launched.
As I found out later, the memory card stopped working and, accordingly, the module could not start the firmware. At this moment on the module all the indicators glowed red.
I will give a short list of popular network emulators and network equipment:Continue reading “List of network and network equipment emulators”
In this article I will write how to configure SSH on Cisco.
Connect to the device via telnet or console cable and switch to the privileged mode:Continue reading “How to configure SSH on Cisco”