BGP Communities

BGP Communities

Net Access uses BGP communities to control the announcement (or lack thereof) of routes to peers, and uses communities to identify incoming routes. We hope this page will help you to better understand and implement them on your network.

Please contact Net Access Engineering at eng@nac.net.


GLOBAL

Community
8001:60000

NORTH AMERICA

Community
8001:61000

US

Community
8001:61100

TEXAS

Community
8001:61103

TEXAS

Standard Community Do Not Advertise One Prepend Two Prepends Three Prepends
All Transitors 8001:1020 8001:10200 8001:10201 8001:10202 8001:10203
GTT 8001:1025 8001:10250 8001:10251 8001:10252 8001:10253
Telia 8001:1021 8001:10210 8001:10211 8001:10212 8001:10213

NY/NJ

Community
8001:61101

TRANSIT

Standard Community Do Not Advertise One Prepend Two Prepends Three Prepends
All Transitors 8001:1000 8001:10000 8001:10001 8001:10002 8001:10003
GTT 8001:1001 8001:10010 8001:10011 8001:10012 8001:10013
Telia 8001:1005 8001:10050 8001:10051 8001:10052 8001:10053
NTT 8001:1003 8001:10030 8001:10031 8001:10032 8001:10033

PUBLIC PEERING

Standard Community Do Not Advertise One Prepend Two Prepends Three Prepends
All Public Peers 8001:2000 8001:20000 8001:20001 8001:20002 8001:20003
NYIIX 8001:2001 8001:20010 8001:20011 8001:20012 8001:20013
LINX (Juniper) 8001:2004 8001:20040 8001:20041 8001:20042 8001:20043
Equinix Ashburn 8001:2006 8001:20060 8001:20061 8001:20062 8001:20063
TORIX 8001:2007 8001:20070 8001:20071 8001:20072 8001:20073
Equinix NY 8001:2008 8001:20080 8001:20081 8001:20082 8001:20083
TIE 8001:2010 8001:20100 8001:20101 8001:20102 8001:20103
DE-CIX 8001:2011 8001:20110 8001:20111 8001:20112 8001:20113

PRIVATE PEERING

Standard Community Do Not Advertise One Prepend Two Prepends Three Prepends
All Private Peers 8001:3000 8001:30000 8001:30001 8001:30002 8001:30003
Cogent 8001:3005 8001:30050 8001:30051 8001:30052 8001:30053
Verizon 8001:3006 8001:30060 8001:30061 8001:30062 8001:30063

CUSTOMER

Standard Community Decrease Local-Preference Standard Local-Preference Increase Local-Preference
Customer 8001:4000 8001:115 8001:120 8001:125
One Prepend Two Prepends Three Prepends
OCT (NAC – 1719 Route 10, Parsippany, NJ) 8001:4002
NWR (Equinix – 165 Halsey St, Newark, NJ) 8001:4003
EWR (9th Flr MMR – 165 Halsey St, Newark, NJ) 8001:4004
TL9 (Telex – 60 Hudson, NY, NY) 8001:4006
MMU ( NAC – 9 Wing Dr., Cedar Knolls, NJ) 8001:4010
WBR ( NAC – 200 Webro Rd , Parsippany, NJ) 8001:4011

NAC ORIGINATED

Standard Community
NAC Originated 8001:5000
OCT (NAC – 1719 Route 10, Parsippany, NJ) 8001:5002
NWR (Equinix – 165 Halsey St, Newark, NJ) 8001:5003
EWR (9th Flr MMR – 165 Halsey St, Newark, NJ) 8001:5004
TL9 (Telex – 60 Hudson, NY, NY) 8001:5006
MMU ( NAC – 9 Wing Dr., Cedar Knolls, NJ) 8001:5010
WBR ( NAC – 200 Webro Rd , Parsippany, NJ) 8001:5011

8001:99 Route will NOT be prepended to any transit provider.

All routes within the NAC network also carry a local preference:

8001:115 – 8001:125 Customer Prefs
8001:87 Private Peering Prefs
8001:82 Public Peering Prefs
8001:0 – 8001:79 Transit Prefs
8001:10 Lowest possible Pref
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