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Edit: Also, how worthwhile is a CCNP, and how much more advanced is it over a CCNA? i ask because the OU also do a postgrad diploma in advanced networking (which is 4 CCNP courses), and if i can learn that at the same time as doing a basic ICT job once i finish my degree then that will mean that 2 years down the line (after my degree) i will not only have 2 years experience, but a CCNP/postgrad diploma too (and that postgrad diploma becomes a Masters degree if i do a dissertation course as well).
Hi Dist,
I'd say the CCNP was well worthwhile, it goes into a lot more detail than the CCNA - CCNP is 4 exams or 3 if you take the combo...
Routing
Switching which includes a little VoIP and wireless
Above as a combo
Security - VPN's, Cisco SDM (yeah they put that in the exams too

)
Optimization - QOS and VoIP
You cover basic BGP, multi-area OSPF, IS-IS, go into spanning-tree in a lot more detail as well as port security. I got a lot out of it and it certainly adds some weight to the CV (with experience). I'm also looking to take the CCVP too.
Lab stuff is worth it, I'd go for some of the 'newer' kit, 2611, 2621 xm's if you can find them as they can run call manager express if you want to later

Serial interfaces still crop up, you'll need to do VLAN's. a couple of routers and a switch or a couple of switches are fine. Like I said before, sim's are ok, but until you're tinkering with the kit and know what a serial interface looks like and stuff like you've spent 20 mins scratching your head because the interface won't come up because you've been a tool and plugged it in the wrong way. This kind of thing a sim can't replicate and won't prep you for in real-life.
I've had a number of bits from online auctions, but I'm also in a fortunate enough position to have a test-lab in the office, so I can pretty much run up most things that take my fancy (even have a call-manager in there so that'll be handy for me soon!)
Kev