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”Category Archives: Cisco
Configuring Cisco Catalyst 2960
On the test I will configure Cisco Catalyst WS-C2960-24TT-L with firmware 12.2(25)FX
Continue reading “Configuring Cisco Catalyst 2960”Red SYSTEM LED on SW-SUP720-3BXL
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”Online diagnostics Cisco Catalyst 6500
In this article, I will describe the Cisco Catalyst 6500 online diagnostic commands.
Continue reading “Online diagnostics Cisco Catalyst 6500”WS-SUP720-3BXL does not start Not Applicable Unknown
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.
List of network and network equipment emulators
I will give a short list of popular network emulators and network equipment:
Continue reading “List of network and network equipment emulators”How to configure SSH on Cisco
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”Configuring Cisco Catalyst 3750
On the test I will configure Cisco Catalyst WS-C3750-48TS-S with firmware 12.2(55)SE3.
Continue reading “Configuring Cisco Catalyst 3750”View the temperature on the Cisco Catalyst 6500
I will use Cisco Catalyst 6509-E on the test.
To view the temperature of the sensors, connect via the console or telnet for example and execute the command:
List of SNMP OID and MIB for Cisco
Below is the list of SNMP OID that I used to create templates in Zabbix and other scripts.
Continue reading “List of SNMP OID and MIB for Cisco”