NOTE—The current IETF Bridge MIB (IETF RFC 1493) uses disabled, blocking, listening, learning, forwarding, and broken dot1dStpPortStates. The learning and forwarding states correspond exactly to the Learning and Forwarding Port States specified in this standard. Disabled, blocking, listening, and broken all correspond to the Discarding Port State — while those dot1dStpPortStates serve to distinguish reasons [...]
It’s been two months since I joined to a new consulting company, changing my work from support role to professional services. Life’s been really fast. From the first day I started, my manager handed a project documentation to build 3 data centres, reading through it and get involved on day 2. This is when I [...]
If you read this Quick Notes on the 3560 Egress Queuing by Petr Lapukhov, this table will complete the picture to show you how calculation works.
I thought I knew enough about UDLD. Petr Lapukhov from Internetwork Expert writes a good explanation about UDLD Modes of Operation. From this writing I found out that udld aggressive is not enabled by default.
Also, based on Cisco Documentation about UDLD Aggressive Mode, what’s on by default is udld enable which will not bring the [...]