Cisco Catalyst Switches – Set a Management IP and Allow Telnet and Web Management
KB ID 0000614 Problem If you want to manage your Cisco Catalyst switch it’s not always practical to plug a console cable in to change its settings or monitor what it is doing. Putting an IP address on it and enabling remote management via Telnet or from your web browser is a better alternative, particularly if you have a lot of switches. Solution Enable Telnet Management on Cisco Catalyst Switch 1. Connect to the Switch using a...
Cisco IOS – Configuring Switch to Switch MACSEC
KB ID 0001000 Problem My colleague had to set this up on the test bench today, and it looked infinitely more interesting that what I was doing, so I grabbed my console cable, and offered to ‘help’. This was done on two Cisco Catalyst 3560-X switches, each with a 10G Service Module (C3KX-SM-10G), and 1Gb SFP modules (Note: Not 10Gb ones, this will become important later). Solution 1. First hurdle was, when we tried to add...
Cisco Catalyst – Upgrading ‘Stacked’ Switches
KB ID 0001002 Problem The following procedure was carried out on two Cisco Catalyst 3750 switches. Solution 1. We can see (above) that we have two switches, but if your connected remotely, best make sure. Petes-Stack#show switch Switch/Stack Mac Address : 0018.7347.a000 H/W Current Switch# Role Mac Address Priority Version State...
Configuring Multiple Cisco Switch Ports at the Same Time
KB ID 0001009 Problem If you have the same configuration that needs to be placed on multiple ports, then doing each one individually can be time consuming. To save time use the ‘interface range’ command. Be aware this command is only available on devices running IOS versions newer than 12.0(7)XE, Release 12.1 E, and Release 12.1(5)T. Solution 1. From configure terminal mode, I want to apply the same configuration to...
Cisco Catalyst – ‘Daughtercard inserted in this switch may not have been manufactured by Cisco’
KB ID 0001018 Problem In a newly deployed switch, the MACSEC link refused to establish, when I consoled in I was greeted with this; Dec 06 01:30:07.023: %ILET-1-DEVICE_AUTHENTICATION_FAIL: The FRULink SM Daughtercard inserted in this switch may not have been manufactured by Cisco or with Cisco’s authorization. If your use of this product is the cause of a support issue, Cisco may deny operation of the product, support under...