BGP policy

Incoming communities matching 12779:* are removed unless they match 12779:65[123]??. All other communties are accepted.

ITGate rejects routes for bogon networks and routes for prefixes longer than 24.

Communities applied to incoming routes:

12779:65000
received from a customer (IPv4)
12779:65002
received from a peer at MIX-IT
12779:65011
received from a peer at TOP-IX
12779:65099
received from a tunnel
12779:1239
received from Sprint
12779:3356
received from Level3
12779:3549
received from GBLX
12779:112
local AS112 anycast node
12779:624
local 6to4 anycast relay

Communities used to control outbound announcements:

12779:65100
do not announce to upstreams
12779:65110
do not announce to GBLX
12779:65120
do not announce to Sprint
12779:65130
do not announce to Level3
12779:65102
do not announce to MIX-IT peers
12779:65111
do not announce to TOP-IX peers
12779:65199
blackhole (only for host routes)
12779:65300
prepend when announcing to upstreams
12779:65310
prepend when announcing to GBLX
12779:65320
prepend when announcing to Sprint
12779:65330
prepend when announcing to Level3
12779:65302
prepend when announcing to MIX-IT peers
12779:65311
prepend when announcing to TOP-IX peers

The prepending is 3x 12779.

Blackholing support on customers connections is enabled on request.

Local preferences used:

100
transit
110
manually favoured transit
250
peer at a remote site
300
peer
350
customer
400
locally originated routes

Communities used by our transit providers: