I have long been a firm supporter/fan of Cisco network equipment, and have indeed gone through the range of Cisco certifications including the CCIE which I kept current for six years (CCIE #8936). Sadly due to time constraints I decided not to renew the certification when it was due the last time, so I'm now "inactive"... but that's another story.
There is, however, one area where Cisco really annoys me... consistency .. or rather.. a lack thereof.
Here are just a few examples:
- Unlike some of their competitors, there is no real consistency on gigabit ethernet and 10-gigabit ethernet interface modules. Some use GBIC, some use SFP, some use Xenpak, some use X2, and some use XFP. Indeed there are some which split into multiple types in the same interface (!).
- Etherchannel load-balancing algoriths by default are not consistent across their various switch platforms which can actually result in a performance and throughput decrease on an etherchannel between, for example, a catalyst 6500 and a catalyst 3560, unless you manually force the algorithms to match on both platforms. [port-channel load-balance configuration command]; Although there are some combinations of platforms which are mutually exclusive with no way of achieving an exact algorithm match.
- Power cable connectors; Some platforms use a standard D-form connector, some use a keyed-D-form, others use a block form. Even worse is that in some cases with redundant power supplies, you could actually find two different power cable connectors on the same piece of equipment!! Talk about putting a sqare peg in a round hole!
Saluton ĉies!










As I mentioned in
Okay.. this is more of a call out for
ideas.. I've been looking for some software suitable for multi-dimensional
network diagramming. Of course I am a regular user of Visio, and have in
the past use GraphViz, CND, and a few others. The shortfall of all of
these mainstream applications is that they can only really visualise in two
dimensions.