Speaking of L2 design, there are several aspects to the VLAN allocation on the switches: standard and extended VLAN ID ranges, reserved IDs, internal usage, protocol limitations and design best practices.
In continuation of my last post, here I will write down about EIGRP operation a little mote. Packets On the wire, EIGRP is present with five types of packets: Hello and Acknowledgements (ACKs are just Hellos with the relevant bit set). They are the only EIGRP packets sent unreliably – that is, without acknowledgement. Any other packet must… Read More »
I’ve decided to listen to some advice and use blogging as a learning aid. And to begin with, I’d like to tackle on the subject of EIGRP. It’s no secret that EIGRP is Cisco’s beloved proprietary (it is published as an IETF draft, but apparently public version lacks a feature or two) routing protocol, and thus it is… Read More »