Hi, I'm building a network and have just been told by somebody that for some particular equipment we need to use jumbo frames. We're using 4x Cisco 3850 switches stacked, I've googled some example commands but they do not appear to be supported by ou...

Hi, I've managed to acquire a few Cisco 1841 routers, but only have IPbase installed version 12. I want to begin studying CCNA Collaboration but cannot find IOS v15 for this router. On the Cisco web site it just says I need a service agreement in pla...

Hi,I've got two layer 3 switches, each of which have their own set of vlans and hosts, the network ip range however is totally different on both switches. I've created a trunk and etherchannel between the two switches, and can communicate across both...

Hi,I had a question regarding delaying the boot sequence of IOS, specifically for a Cisco ASA 5525 firewall.The reason for this is because the firewalls are regularly powered up and down, and they are in an active/standby configuration. The problem i...