1.
EMFCAMP
2012
Internet
to
a
field
Nat
Morris
and
Will
Hargrave
UKNOF23
9th
October
2012

2.
What
was
EMFCamp
2012?
• 3
day
fes)val
–
Fri
31st
Aug
to
Sun
2nd
Sept
• Ran
by
volunteers
• Geeks
/
hackers
/
makers
• 500
licensed
capacity
–
sold
out
Photo:
Russ
GarreL

3.
Site
locaNon

4.
Site
locaNon
Rented
from
Milton
Keynes
Parks
Trust
-­‐
£1,900

5.
FesNval
site
Talks
and
presenta)ons
Photo:
KiLy
Wong

6.
FesNval
site
Balloon
launch
Photo:
Lionel
Montrieux

7.
FesNval
site
Radio
sta)on
and
video
streaming
Photo:
Graham
Morris

8.
FesNval
site
Workshops
Photo:
NoRnghack

9.
FesNval
site
Licensed
bar
under
M1
bridge
Photo:
Russ
GarreL

10.
FesNval
site
Licensed
bar
under
M1
bridge
Photo:
Russ
GarreL

11.
FesNval
site
Retro
gaming
tent
Photo:
Andy
Brockhurst

12.
Badge
IR
tx
IR
rx
Atmega328
Microcontroller
MicroUSB
Sponsored
by
UCL
2.4ghz
radio
Photo:
Lionel
Montrieux

13.
Infrastructure
Requirements:
• 100mbit+
• Site-­‐wide
wireless
• Ethernet
+
power
to
every
tent
• Fully
dual
stack
• Visibility
of
the
whole
network
• Mul)cast
video
Photo:
Andy
Brockhurst

14.
Infrastructure
Graham
Benny
Jasper
David
Mat
Will
Claire
Nat

15.
Address
space
AUempted
to
apply
for
temporary
address
space
from
RIPE
NCC,
sponsored
by
Goscomb.
Issued
ASN,
v4
+
v6
PI
then
retracted
by
hostmaster
a[er
they
realized
they
could
only
issue
it
7
days
before
the
event.
Far
too
late
–
equipment
was
already
configured
and
boxed
by
then.
RIPE-­‐526
–
broken
L
Going
back
to
address-­‐policy-­‐wg
to
alter
the
policy.

16.
Address
space
CCC
/
Chaos
Computer
Club
to
the
rescue!
Loaned
us:
• AS13020
• 2001:067c:20a1::/48
• 94.45.224.0/19
But
now
Google
is
in
German
and
BBC
website
carries
adverts
–
never
mind.

17.
Backhaul
• No
exis)ng
copper
or
fibre
• BlueSquare
Milton
Keynes
(now
Pulsant)
• 2.9km
away

18.
Backhaul

19.
Backhaul
• Hired
two
30m
mobile
masts
/
VersaTowers
– £1,440
for
7
days
inc
delivery
+
collec)on
Photo:
David
Cro]

20.
Backhaul
Jasper’s
cycling
jacket
27m
cherry
picker
Photo:
Jasper
Wallace

21.
Backhaul
SpoRng
17m
cherry
picker
Photo:
Mat
Burnham

22.
Backhaul
Looking
from
the
site
towards
Pulsant
Frank
+
Mervyn
Photo:
Rapid
Wireless

23.
Backhaul
Primary
link
• DragonWave
Horizon
Compact
• 400mbit/s
full
duplex
• 18ghz
OFCOM
licensed
• Hired
from
RapidWireless
-­‐
£2,300
Photo:
NoRnghack

24.
Backhaul
Secondary
link
• Ubiqui)
Nanobridge
M
• 100mbit/s
• 5.4ghz
• Bought
from
Linitx
-­‐
£112
(for
2)
Photo:
NoRnghack

25.
Backhaul
• 2
x
Cisco
7206
NPE-­‐G2
• Installed
in
June
/
July

26.
Pineham
Park
Backhaul
1G
DragonWave
DragonWave
MK
L3
Switch
UbiquiN
UbiquiN
1G
ME3400
100M
1G
100M
Pulsant
1G
MK
Router
OOB
1G
Transit
7206
NPE-­‐G2
Core
1
Core
2
3750G
3750G
1G
1G
Telehouse
East
OOB
THDO
Router
7206
NPE-­‐G2
1G
LONAP
V4
+
V6
V4
Goscomb
Peering
MulNcast
Transit

27.
Backhaul
hLp://Nnyurl.com/emfcore

28.
NOC
£25
dona)on
to
the
Scouts
Photo:
David
Cro]

29.
NOC
Network
required
power
so
ended
up
running
that

30.
NOC

31.
NOC
Food
/
work
/
social
area

32.
NOC
Data
centre
par))oning!

33.
NOC
Core
rack

34.
NOC
Nagvis

35.
NOC
Bandwidth
monitor

36.
AutomaNon
DNS
Zones
-­‐ Forward
-­‐ Reverse
-­‐ DNSSEC
Signing
DHCP
Scopes
Google
Data
API
-­‐
dhcpd.conf
Nagios
Google
Spreadsheet
-­‐
Services
per
host
-­‐ Schedule
-­‐ Budget
Rancid
-­‐ IP
Plan
-­‐ DHCP
Scopes
-­‐ Monitoring
Switch
IOS
config
hLps://github.com/emfcamp/emfnoc

37.
DistribuNon

38.
DistribuNon
hLp://Nnyurl.com/emfdistro

39.
DistribuNon
SFP’s
sponsored
by
FlexOp)x

40.
DistribuNon
• Staging
from
June
in
Nat’s
lo[
• GRE
tunneled
back
to
MK
• Config,
document
+
monitoring

41.
DistribuNon
£60/wk
hire
Photo:
Paul
Miller

42.
DistribuNon
Photo:
David
Cro]

43.
DistribuNon

44.
DistribuNon
Typical
Datkenklo

45.
DistribuNon
Raspberry
Pi
colo

46.
DistribuNon
Mul)cast
video
• BBC
R&D
trial
over
LONAP
• On
wired
+
wireless
• Local
SAP
server
hUp://support.bbc.co.uk/mul)cast/

47.
Wireless
Dual
Cisco
WLC
4402
Controllers

48.
Wireless
WCS
AP
mapping

49.
Wireless
hLp://stats.emfcamp.org/luke/
Luke’s
AP
associa)on
hack
Luke
Brookes
TwiUer:
@propuke

50.
Stats

51.
Stats
More
at
hUp://stats.emfcamp.org

52.
Feedback

53.
What
next?
Photo:
Andy
Davidson

54.
QuesNons?
Photo:
Russ
GarreL