Cisco IOS: Ether-Channel Trunks
KB ID 0001533 Problem This is a subject that every time I need to create an Ether-Channel I end up checking beforehand, so it’s about time I wrote it up. We are combining two different things, an Ether-channel, (an aggregation of links) and a Trunk (the ability to carry many VLANS). If you are NOT from a Cisco background then you might want to read though the following post first to avoid confusion about the world...
Cisco ASA 5506-X: Bridged BVI Interface
KB ID 0001422 Problem When the ASA 5506-X appeared there was much grumbling, “This is not a replacement for the ASA 5505, I need to buy a switch as well!” and “I have six ports on the firewall I cant use” etc. While I understand that, and if truth be told the ASA 5505, was SUPPOSED to be used in SOHO environments where an all in one device, (with PoE) was a great fit. The problem was, people started throwing...
Cisco ASA – Policy NAT
KB ID 0001042 Problem I’ve been working on a large firewall deployment for a client, each of their DMZ’s have both a production and a management network. nothing particularly strange about that, but each of their DMZ’s has its own firewalled management network and it’s routable from the LAN. So If I’m an admin and I want to talk to a Linux appliance in their DMZ via its management interface, my traffic...