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BGP Global Communities

BGP Global Communities Enkel Prifti

BGP Global Communities

Default Behavior

The default behavior for customer prefixes is that they are advertised to all providers and peers within the facility the prefix is received in.

Behavior when customers attach Traffic Engineering (TE) Communities

The purpose of the traffic engineering communities is so customers can tell the Packet network which providers and peers to advertise their prefixes too. Using any of the communities listed below gives the customer full control over the oubound advertisment of their prefixes. Customers are able to advertise to any combination of providers and peers that exist within a location. Each provider has it's own set of communities which when attached, result in our routes taking an action. If a providers community is not included on a prefix, we will not advertise it to that provider.

Combining Communities

Customers are able to combine communities for granular control of their announcements. For example, you can use a combination of communities to advertise to Telia and Zayo, but not Limelight. Or you could advertise to Telia, prepend three times to Zayo, and advertise to an Internet Exchange (IX).

Usage Guidelines

To use the communities correctly please follow the guide below:

  • Other communities such as 54825:222 and 54825:223 should be removed

  • To advertise a prefix to any provider, the “Advertise to XXX” must be used. E.g. to advertise to Telia, 54825:500 must be used. If only a single provider community is used, the prefix will only be advertised to that provider.

  • Combine communities to advertise to multiple providers, e.g. Use 54825:500 & 54825:510 to advertise to both Telia and Zayo

  • To prepend you must include the “Advertise to XXX” community as well as the prepend community. E.g to prepend two times to Limelight, you must use 54825:530 & 54825:532. This tells our routers to advertise to Limelight, and prepend twice.

Transit Providers

Telia Communities - ASN 1299

Available in All Facilities (except SYD2, HKG, NRT)

Community Function
54825:500 Advertise to Telia
54825:501 Prepend one time
54825:502 Prepend two times
54825:503 Prepend three times

Zayo Communities - ASN 6461

Available in All Facilities (except SYD2, NRT, SIN, HKG)

Community Function
54825:510 Advertise to Zayo
54825:511 Prepend one time
54825:512 Prepend two times
54825:513 Prepend three times

Hibernia Communities - ASN 5580

Available in NRT1

Community Function
54825:520 Advertise to Hibernia
54825:521 Prepend one time
54825:522 Prepend two times
54825:523 Prepend three times

Limelight Communities - ASN 22822

Available in All locations

Community Function
54825:530 Advertise to Limelight
54825:531 Prepend one time
54825:532 Prepend two times
54825:533 Prepend three times

Cogent Communities - ASN 174

Available in SJC2

Community Function
54825:540 Advertise to Cogent
54825:541 Prepend one time
54825:542 Prepend two times
54825:543 Prepend three times

Atom86 Communities - ASN 8455

Available in AMS1

Community Function
54825:560 Advertise to Atom86
54825:561 Prepend one time
54825:562 Prepend two times
54825:563 Prepend three times

GTT Communities - ASN 3257

Available in SYD2

Community Function
54825:590 Advertise to GTT
54825:591 Prepend one time
54825:592 Prepend two times
54825:593 Prepend three times

ServerCentral Communities - ASN 23352

Available in NRT1

Community Function
54825:610 Advertise to ServerCentral
54825:611 Prepend one time
54825:612 Prepend two times
54825:613 Prepend three times

Private Network Interconnects

Sprint Communities - ASN 1239

Available in DFW, EWR, ORD, DTW, IAD, LAX, ATL, IAH

Community Function
54825:570 Advertise to Sprint
54825:571 Prepend one time
54825:572 Prepend two times
54825:573 Prepend three times

StackPath - ASN 33438

Available in SJC

Community Function
54825:580 Advertise to StackPath
54825:581 Prepend one time
54825:582 Prepend two times
54825:583 Prepend three times

Google

Available in SJC, IAD, EWR

Community Function
54825:600 Advertise to Google
54825:601 Prepend one time
54825:602 Prepend two times
54825:603 Prepend three times

Internet Exchanges

AMS-IX

Available in AMS

Community Function
54825:800 Advertise to AMS-IX
54825:801 Prepend one time
54825:802 Prepend two times
54825:803 Prepend three times

NYIIX

Available in EWR

Community Function
54825:810 Advertise to NYIIX
54825:811 Prepend one time
54825:812 Prepend two times
54825:813 Prepend three times

EQIX-NY

Available in EWR

Community Function
54825:820 Advertise to EQIX-NY
54825:821 Prepend one time
54825:822 Prepend two times
54825:823 Prepend three times

DECIX-NY

Available in EWR

Community Function
54825:830 Advertise to DECIX-NY
54825:831 Prepend one time
54825:832 Prepend two times
54825:803 Prepend three times

EQIX-SJC

Available in SJC

Community Function
54825:840 Advertise to EQIX-SJC
54825:841 Prepend one time
54825:842 Prepend two times
54825:843 Prepend three times

SFMIX

Available in SJC

Community Function
54825:850 Advertise to SFMIX
54825:851 Prepend one time
54825:852 Prepend two times
54825:853 Prepend three times

DECIX-SJC

Available in SJC

Community Function
54825:860 Advertise to DECIX-SJC
54825:861 Prepend one time
54825:862 Prepend two times
54825:863 Prepend three times

EQIX-NRT

Available in NRT1

Community Function
54825:870 Advertise to EQIX-NRT
54825:871 Prepend one time
54825:872 Prepend two times
54825:873 Prepend three times

EQIX-IAD

Available in IAD

Community Function
54825:880 Advertise to EQIX-IAD
54825:881 Prepend one time
54825:882 Prepend two times
54825:883 Prepend three times

EQIX-DFW

Available in DFW2

Community Function
54825:890 Advertise to EQIX-DFW
54825:891 Prepend one time
54825:892 Prepend two times
54825:893 Prepend three times

DECIX-DFW

Available in DFW

Community Function
54825:900 Advertise to DECIX-DFW
54825:901 Prepend one time
54825:902 Prepend two times
54825:903 Prepend three times

EQIX-SYD

Available in SYD2

Community Function
54825:910 Advertise to EQIX-SYD
54825:911 Prepend one time
54825:912 Prepend two times
54825:913 Prepend three times

Additional communities for Internet Exchanges only

These communities can be attached to prefixes advertised to any Internet Exchange. This allows customers to advertise to the whole IX, except for some specific peers. We are able to add more of these communities by request.

Community Function
54825:6939 Do not advertise to Hurricane Electric
54825:15169 Do not advertise to Google

Other communities

54825:666

  • Function: BGP blackhole.
  • Packet will blackhole traffic to your prefix, as well as signal supporting transit providers and peering partners to do the same.
  • We support de-aggregation down to the /32 (IPv4) and /128 (IPv6) level with this community only.

54825:222

  • Function: Anycast routing
  • By tagging your routes with this community, Packet will advertise your routes to only transit and peering we maintain consistently on a global basis. Regional ISPs we connect with (e.g. Verizon in the New York metro area) will not learn your routes, as advertising to them may result in "scenic" routing for customers with global Anycast configurations.
  • Please note that this community is not advised for normal use, as it will limit the number of available paths/providers you have access to. It should only be deployed by customers seeking BGP anycast topology, with multiple server instances deployed in each Packet datacenter.
  • NOTE: This community is in beta testing at this time and will be depreciated in the future.

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