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@chrisy
Created January 25, 2016 13:47
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looking glass output
Notice how every path is showing only the 2x prepended path from London.
Cogent:
BGP routing table entry for 207.162.200.0/24, version 3664499719
Paths: (1 available, best #1, table Default-IP-Routing-Table)
Flag: 0x9A0
5580 36236 6838 6838 6838
38.122.63.2 (metric 10102021) from 154.54.66.76 (154.54.66.76)
Origin IGP, localpref 130, valid, internal, best
Community: 174:991 174:10031 174:20999 174:21001 174:22013
Originator: 66.28.1.9, Cluster list: 154.54.66.76, 66.28.1.69
Level 3:
BGP Routing table entry for 207.162.200.0/24
Paths: (2 available, best #1)
3257 36236 6838 6838 6838
AS-path translation: 207.162.200.0/24
ear2.NewYork1 (metric 0)
Community: 3257:3257 North_America Lclprf_86 United_States Level3_Peer New_York Level3:11396
Origin: IGP, metric 0, localpref 86, Used Valid Best IGP Group-Best
Originator: ear2.NewYork1
3257 36236 6838 6838 6838
AS-path translation: 207.162.200.0/24
ear2.NewYork1 (metric 0)
Community: 3257:3257 North_America Lclprf_86 United_States Level3_Peer New_York Level3:11396
Origin: IGP, metric 0, localpref 86, Valid IGP
Originator: ear2.NewYork1
NTT:
Query Results:
Router: Ashburn, VA - US
Command: show ip bgp 207.162.200.0/24
BGP routing table entry for 207.162.200.0/24
Versions:
Process bRIB/RIB SendTblVer
Speaker 1696076629 1696076629
Last Modified: Jul 15 08:47:32.746 for 27w5d
Paths: (8 available, best #5)
Advertised to update-groups (with more than one peer):
0.4 0.5 0.16 0.17 0.22 0.35
Advertised to peers (in unique update groups):
202.97.32.86 193.251.248.137 128.242.179.170 64.208.110.133
129.250.8.226 129.250.66.50 129.250.8.38 4.68.71.237
192.150.30.14
Path #1: Received by speaker 0
Not advertised to any peer
5580 36236 6838 6838 6838
212.119.15.94 (metric 294) from 129.250.0.7 (129.250.0.7)
Origin IGP, metric 0, localpref 120, valid, confed-internal, import-candidate, import suspect
Received Path ID 0, Local Path ID 0, version 0
Community: 2914:370 2914:1201 2914:2202 2914:3200 65500:174 65500:209 65500:286 65500:1273 65500:2828 65500:3257 65500:3303 65500:3561 65500:6461 65500:6762 65500:6830 65500:9121 65500:12956 65500:20562
Path #2: Received by speaker 0
Not advertised to any peer
5580 36236 6838 6838 6838
81.25.202.178 (metric 327) from 129.250.0.24 (129.250.0.24)
Origin IGP, metric 0, localpref 120, valid, confed-internal, import-candidate, import suspect
Received Path ID 0, Local Path ID 0, version 0
Community: 2914:370 2914:1212 2914:2212 2914:3200 65500:174 65500:209 65500:286 65500:1273 65500:2828 65500:3257 65500:3303 65500:3561 65500:4323 65500:6461 65500:6830 65500:9121 65500:12956 65500:20562
Path #3: Received by speaker 0
Not advertised to any peer
5580 36236 6838 6838 6838
81.19.109.134 (metric 334) from 129.250.0.30 (129.250.0.30)
Origin IGP, metric 0, localpref 120, valid, confed-internal, import-candidate, import suspect
Received Path ID 0, Local Path ID 0, version 0
Community: 0:65500 2914:370 2914:1204 2914:2205 2914:3200 65500:3303 65500:6830 65500:20562
Path #4: Received by speaker 0
Not advertised to any peer
5580 36236 6838 6838 6838
82.112.115.130 (metric 278) from 129.250.0.36 (129.250.0.36)
Origin IGP, metric 0, localpref 120, valid, confed-internal, import-candidate, import suspect
Received Path ID 0, Local Path ID 0, version 0
Community: 2914:370 2914:1203 2914:2201 2914:3200 65500:174 65500:209 65500:286 65500:1273 65500:2828 65500:3257 65500:3303 65500:3561 65500:4323 65500:6461 65500:6830 65500:9121 65500:12956 65500:20562
Path #5: Received by speaker 0
Advertised to update-groups (with more than one peer):
0.4 0.5 0.16 0.17 0.22 0.35
Advertised to peers (in unique update groups):
202.97.32.86 193.251.248.137 128.242.179.170 64.208.110.133
129.250.8.226 129.250.66.50 129.250.8.38 4.68.71.237
192.150.30.14
5580 36236 6838 6838 6838
81.20.67.178 (metric 262) from 129.250.0.78 (129.250.0.78)
Origin IGP, metric 0, localpref 120, valid, confed-internal, best, group-best, import-candidate, import suspect
Received Path ID 0, Local Path ID 1, version 1696076629
Community: 2914:370 2914:1206 2914:2203 2914:3200 65500:174 65500:209 65500:286 65500:1273 65500:2828 65500:3257 65500:3303 65500:3561 65500:6461 65500:6762 65500:6830 65500:9121 65500:12956 65500:20562
Path #6: Received by speaker 0
Not advertised to any peer
5580 36236 6838 6838 6838
81.25.193.82 (metric 299) from 129.250.0.112 (129.250.0.112)
Origin IGP, metric 0, localpref 120, valid, confed-internal, import-candidate, import suspect
Received Path ID 0, Local Path ID 0, version 0
Community: 2914:370 2914:1205 2914:2204 2914:3200 65500:174 65500:209 65500:286 65500:1273 65500:2828 65500:3257 65500:3303 65500:3561 65500:6461 65500:6762 65500:6830 65500:9121 65500:12956 65500:20562
Path #7: Received by speaker 0
Not advertised to any peer
5580 36236 6838 6838 6838
213.198.77.198 (metric 313) from 129.250.0.138 (129.250.0.138)
Origin IGP, metric 0, localpref 120, valid, confed-internal, import-candidate, import suspect
Received Path ID 0, Local Path ID 0, version 0
Community: 2914:370 2914:1201 2914:2202 2914:3200 65500:174 65500:209 65500:286 65500:1273 65500:2828 65500:3257 65500:3303 65500:3561 65500:6461 65500:6762 65500:6830 65500:9121 65500:12956 65500:20562
Path #8: Received by speaker 0
Not advertised to any peer
5580 36236 6838 6838 6838
213.130.38.34 (metric 379) from 129.250.0.206 (129.250.0.206)
Origin IGP, metric 0, localpref 120, valid, confed-internal, import-candidate, import suspect
Received Path ID 0, Local Path ID 0, version 0
Community: 2914:370 2914:1207 2914:2207 2914:3200 65500:174 65500:209 65500:286 65500:1273 65500:2828 65500:3257 65500:3303 65500:3561 65500:6461 65500:6762 65500:6830 65500:9121 65500:12956 65500:20562
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