Route Servers

IX-Denver operates redundant secure route servers with ingress filtering based on ARIN bulk whois DB import, and/or valid IRRDB as-set+route-set records for the connecting network.

Basic Information

  • Route server – B (bird 1.6.3) IPv4 – 206.53.175.5/24
  • Route server – B (bird6 1.6.3) IPv6 – 2001:504:58::5/64
  • Route server – C (bird 1.6.3) IPv4 – 206.53.175.7/24
  • Route server – C (bird6 1.6.3) IPv6 – 2001:504:58::7/64
  • Route servers ASN – 394594
  • Route servers policy ASN – 64599
  • Route servers IPv4 MTU is 1472
  • Route servers IPv6 MTU is 1452
  • RS B = VM physically on den1.sv02 (hypervisor #2)
  • RS C = VM physically on den1.sv01 (hypervisor #1)

Communities

Route servers B and C support standard, large, and extended BGP communities.

Action Communities Action
Std – 0:<other member ASN>

Lrg – 394594:0:<other member ASN>

Ext – target:0:<other member ASN>

Do not advertise to peer ASN
Std – 65500:<other member ASN>

Lrg – 394594:65500:<other member ASN>

Ext – target:65500:<other member ASN>

Advertise to peer ASN
Std – 0:64599

Lrg – 394594:0:64599

Ext – target:0:394594

Do not advertise to any peer ASN
Std – 65501:64599

Lrg – 394594:65501:64599

Ext – target:65501:64599

Prepend once to all peers
Std – 65502:64599

Lrg – 394594:65502:64599

Ext – target:65502:64599

Prepend twice to all peers
Std – 65503:64599

Lrg – 394594:65503:64599

Ext – target:65503:64599

Prepend thrice to all peers
Std – 65501:<other member ASN>

Lrg – 394594:65501:<other member ASN>

Ext – target:65501:<other member ASN>

Prepend once to peer ASN
Std – 65502:<other member ASN>

Lrg – 394594:65502:<other member ASN>

Ext – target:65502:<other member ASN>

Prepend twice to peer ASN
Std – 65503:<other member ASN>

Lrg – 394594:65503:<other member ASN>

Ext – target:65503:<other member ASN>

Prepend thrice to peer ASN

 

Informational Communities Information
Std – 64599:100

Lrg – 394594:64599:100

Ext – target:64599:100

Route prefix is present in member’s IRRDB route-set
Std – 64599:101

Lrg – 394594:64599:101

Ext – target:64599:101

Route prefix is not present in member’s IRRDB route-set
Std – 64599:102

Lrg – 394594:64599:102

Ext – target:64599:102

Origin ASN is present in member’s IRRDB as-set
Std – 64599:103

Lrg – 394594:64599:103

Ext – target:64599:103

Origin ASN is not present in member’s IRRDB as-set
Std – 64599:200

Lrg – 394594:64599:200

Ext – target:64599:200

RPKI validated route prefix (future)
Std – 64599:201

Lrg – 394594:64599:201

Ext – target:64599:201

RPKI invalid route prefix (future)
Std – 64599:202

Lrg – 394594:64599:202

Ext – target:64599:202

RPKI unknown route prefix (future)

Martian / Bogon Addresses

The following IPv4 addresses will never be accepted or re-advertised by the route server:

  • 0.0.0.0/0
  • 0.0.0.0/8 – /32
  • 10.0.0.0/8 – /32
  • 100.64.0.0/10 – /32
  • 127.0.0.0/8 – /32
  • 169.254.0.0/16 – /32
  • 172.16.0.0/12 – /32
  • 192.0.2.0/24 – /32
  • 192.168.0.0/16 – /32
  • 198.18.0.0/15 – /32
  • 198.51.100.0/24 – /32
  • 203.0.113.0/24 – /32
  • 224.0.0.0/3 – /32

The following IPv6 addresses will never be accepted or re-advertised by the route server:

  • ::/0
  • ::/8 – /128
  • 64:ff9b::/96 – /128
  • 100::/8 – /128
  • 200::/7 – /128
  • 400::/6 – /128
  • 800::/5 – /128
  • 1000::/4 – /128
  • 2001::/33 – /128
  • 2001:0:8000::/33 – /128
  • 2001:2::/48 – /128
  • 2001:3::/32 – /128
  • 2001:10::/28 – /128
  • 2001:20::/28 – /128
  • 2001:db8::/32 – /128
  • 2002::/16 – /128
  • 3ffe::/16 – /128
  • 4000::/3 – /128
  • 5f00::/8 – /128
  • 6000::/3 – /128
  • 8000::/3 – /128
  • a000::/3 – /128
  • c000::/3 – /128
  • e000::/4 – /128
  • f000::/5 – /128
  • f800::/6 – /128
  • fc00::/7 – /128
  • fe80::/10 – /128
  • fec0::/10 – /128
  • ff00::/8 – /128