Thanks for sharing that. I just got my CCNA and find this stuff interesting.
Derek On Sep 13, 2012, at 7:18 PM, Nat Morris <n...@nuqe.net> wrote: > On 13 September 2012 22:13, Jay Ashworth <j...@baylink.com> wrote: >> ----- Original Message ----- >>> From: "Josh Baird" <joshba...@gmail.com> >>> Besides this, we have a fairly beefy box that handles DNS and DHCP and >>> basic firewalling. >> >> Have you had to/been able to haul in your own bandwidth to feed it? What >> class? (Real DS3/OC1/OC3, FiOS/HFC, something else?) > > Two weekends ago EMFCamp took place north of London in Milton Keynes, > the UK’s first maker weekend long festival, ran along the same lines > as CCC / HAR2009 etc. > > A small team of us designed the infrastructure for it, we started at > the end of May, 3 months in advance. The CCC noc team in Germany were > kind enough to lend us their event /19 + /48 + ASN, we built a > temporary network spanning from Telehouse East in London Docklands up > to a local data centre (Pulsant) in Milton Keynes. > > Pulsant sponsored us with a 1gb/s L2 circuit from Telehouse to Milton > Keynes, we placed a router (c7202+npe-g2) in each decenter. We took on > transit in both sites and had temporary membership to LONAP in > Telehouse where we connected to their route server for v4,v6 peering > and even multicast. > > Biggest cost was the 2 mile link from the dc back to the festival > site, we rented 2 portable 30m trailer mounted masts. A microwave > company loaned us some DragonWave kit which ran on 18ghz at 385mb full > duplex, this was our primary link and they applied for a UK OFCOM temp > telco license for this on our behalf. We also bought a pair of > Ubiquiti Nanobridge M5’s for backup, running at about 100mb. > > We didn’t firewall anything, users were made aware what they were > connecting to, there were no passwords on the SSID’s, we had no agenda > to monitor traffic. We published abuse email addresses and a number > that people could call if required and we would act on it (the RIR > contacts for the address space were updated too) > > Our NOC: > http://www.flickr.com/photos/nottinghack/7929611918/ > https://dl.dropbox.com/u/74717/2012-08-30%2017.40.26.jpg > http://www.flickr.com/photos/russss/7909193016/ > http://www.flickr.com/photos/nottinghack/7929909834/ > > Onsite core and servers > http://www.flickr.com/photos/nottinghack/7929611592/ > http://www.flickr.com/photos/andy_d/7902260210/ > > For wireless we deployed a pair of Cisco wireless controllers, all the > APs were lightweight and RF allocation was easily managed centrally. > https://twitter.com/emfnoc/status/241944863887749121/photo/1 > > Just like CCC + HAR we deployed portaloo’s / datenklo around the > campsite and campers connected up to them for power and Ethernet: > http://www.flickr.com/photos/ne0hack3r/7924490940/ > http://www.flickr.com/photos/je4d/7924689482/ > > Sort out kit configuration out well in advance, really glad we did as > we spent far longer getting the mast and microwave kit aligned that we > thought. Switches, servers were all configured before arriving so we > just unloaded and connected things up according to the plan. Avoid > NAT’ing anything, speak to a friendly ISP and borrow some address > space. We split DNS resolvers, DHCP, monitoring VMs across 3 separate > VM hosts just in case one had a hardware failure, don't rely on a > single server box. > > Do it properly and attendees will be happy: > https://twitter.com/Ash_Force/status/242067006537474048 > https://twitter.com/markphelan/status/241896897290309633 > https://twitter.com/je4d/status/242386884276396032 > > Our slides are here (warning 50mb)… > http://www.natmorris.co.uk/camp_network.pdf > > Get a team on board to help out, ours rocked! > > -- > Nat > > http://natmorris.co.uk > http://twitter.com/natmorris >