I will give an example of increasing MTU on Cisco switches.Continue reading “How to change MTU on Cisco”
In this article, I will give an example of configuring and viewing debug information on Cisco switches. For an example and a test, I will take a Cisco Catalyst 6509-E switch.Continue reading “Debug on Cisco”
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.