On Fri 25 Jun 2021 19:49:42 GMT, David Ponzone wrote:
> C’est un grand débat de sodomiseur de mouches, comme je les aime mais
> un T1 c’est nomalement qqun qui ne paie aucun transit.
> Donc qui n'a que des peerings settlement-free.
> Je ne sais pas comment les outils d’analyse différencient un peer d’un
> upstream pour un réseau de cette taille, mais la page wikipedia de
> Tier-1 network confirme que Comcast est ce qu’on appelle un Tier1.5,
> car ils ont au moins Tata comme transit.
Hum, je ne suis pas sûr que ça soit du transit, les routes apprises par
tata on la même localpref que les autres T1.
RP/0/RSP0/CPU0:route-server.newyork.ny.ibone#show bgp 14.201.218.0/24
Fri Jun 25 18:20:35.183 utc
BGP routing table entry for 14.201.218.0/24
Versions:
Process bRIB/RIB SendTblVer
Speaker 0 0
Last Modified: Jun 8 14:18:58.237 for 2w3d
Paths: (1 available, no best path)
Not advertised to any peer
Path #1: Received by speaker 0
Not advertised to any peer
1299 7545 7545 7545 7545, (received & used)
96.109.22.227 (inaccessible) from 66.208.229.9 (96.109.22.227)
Origin IGP, metric 0, localpref 250, valid, internal
Received Path ID 0, Local Path ID 0, version 0
Community: 7922:403 7922:3000
Originator: 96.109.22.227, Cluster list: 96.109.22.250, 96.109.22.30
RP/0/RSP0/CPU0:route-server.newyork.ny.ibone#show bgp 203.240.231.0/24
Fri Jun 25 18:20:50.496 utc
BGP routing table entry for 203.240.231.0/24
Versions:
Process bRIB/RIB SendTblVer
Speaker 0 0
Last Modified: Feb 8 22:21:31.237 for 19w3d
Paths: (1 available, no best path)
Not advertised to any peer
Path #1: Received by speaker 0
Not advertised to any peer
3491 9848 4670, (received & used)
68.86.1.68 (inaccessible) from 66.208.229.9 (68.86.1.68)
Origin IGP, metric 0, localpref 250, valid, internal
Received Path ID 0, Local Path ID 0, version 0
Community: 7922:403 7922:3000
Originator: 68.86.1.68, Cluster list: 96.109.22.250, 96.109.22.50
RP/0/RSP0/CPU0:route-server.newyork.ny.ibone#show bgp 189.253.56.0/21
Fri Jun 25 18:21:00.318 utc
BGP routing table entry for 189.253.56.0/21
Versions:
Process bRIB/RIB SendTblVer
Speaker 0 0
Last Modified: Feb 8 22:21:24.237 for 19w3d
Paths: (1 available, no best path)
Not advertised to any peer
Path #1: Received by speaker 0
Not advertised to any peer
174 8151, (received & used)
96.109.22.227 (inaccessible) from 66.208.229.9 (96.109.22.227)
Origin IGP, metric 0, localpref 250, valid, internal
Received Path ID 0, Local Path ID 0, version 0
Community: 7922:403 7922:3000
Originator: 96.109.22.227, Cluster list: 96.109.22.250, 96.109.22.50
RP/0/RSP0/CPU0:route-server.newyork.ny.ibone#show bgp 185.118.56.0/22
Fri Jun 25 18:22:24.092 utc
BGP routing table entry for 185.118.56.0/22
Versions:
Process bRIB/RIB SendTblVer
Speaker 0 0
Last Modified: Feb 8 22:21:22.239 for 19w3d
Paths: (1 available, no best path)
Not advertised to any peer
Path #1: Received by speaker 0
Not advertised to any peer
6453 16371 16371 16371 16371, (received & used)
96.109.22.243 (inaccessible) from 66.208.229.9 (96.109.22.243)
Origin IGP, metric 0, localpref 250, valid, internal
Received Path ID 0, Local Path ID 0, version 0
Community: 7922:403 7922:3000 7922:3120
Originator: 96.109.22.243, Cluster list: 96.109.22.250, 96.109.22.30
RP/0/RSP0/CPU0:route-server.newyork.ny.ibone#
--
Alarig
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