CERNET2(教育网IPV6)到cloudflare的路由崩了吗

怪不得我访问ns好卡

不知道 ns不卡啊

怎么看的？

一看就是HE在乱搞

Traceroute from 2402:f000:6:1501:19b3:e9c9:e49:2282 to 2606:4700::6811:180e (2606:4700::6811:180e):

1 2402:f000:6:1501::21:1 1.125ms 1.282ms 1.051ms  

2 2402:f000:0:1004::5 0.705ms 0.654ms 0.571ms  

3 2402:f000:0:242::65 0.594ms 0.458ms 0.459ms  

4 2402:f000:4:448::73 1.32ms 1.248ms 0.819ms  

5 cernet2.net (2001:da8:a0:1004::1) 1.174ms 2.022ms 2.13ms  

6 cernet2.net (2001:da8:a0:1003::1) 1.336ms 0.909ms 0.916ms  

7 2001:da8:257:0:101:4:116:81 2.488ms 3.199ms 3.112ms  

8 cernet2.net (2001:252:0:2::101) 2.598ms 2.053ms 2.264ms  

9 cernet2.net (2001:252:0:10c::2) 3.249ms 2.023ms 2.493ms  

10 * * *  

11 * * *  

12 * * be47.core1.sin1.he.net (2001:470:e:66::2) 66.791ms  

13 * * *  

14 * * *  

15 * be5.core1.vie1.he.net (2001:470:e:169::2) 347.246ms *  

16 * e0-35.core2.bts1.he.net (2001:470:0:412::2) 352.446ms *  

17 * * *  

18 * cloudflare.bix.hu (2001:7f8:35::1:3335:1) 372.909ms 390.912ms  

19 * * 2606:4700::6811:180e 372.076ms  



    

  

连它自己的都飞了：

Traceroute from 2a0d:1a40:faf:0:1:98ff:fe7a:a684 to 2606:4700::6811:180e (2606:4700::6811:180e):

1 2a0d:1a40:faf:0:c6ad:34ff:fee4:89cc 1.375ms 0.871ms 0.902ms  

2 * * *  

3 be2.core2.fmt2.he.net (2001:470:0:789::1) 3.633ms 3.575ms 3.717ms  

4 be10.core1.sjc2.he.net (2001:470:e:31::2) 4.552ms 5.393ms 3.851ms  

5 * * 100ge0-0-0-13.core1.den1.he.net (2001:470:0:3a2::2) 27.219ms  

6 be9.core1.oma1.he.net (2001:470:e:bc::2) 38.865ms 38.486ms 38.436ms  

7 * * *  

8 be5.core1.nyc4.he.net (2001:470:e:60::2) 67.417ms 66.421ms 64.984ms  

9 be10.core4.lon2.he.net (2001:470:e:152::1) 131.327ms * *  

10 * * *  

11 be2.core4.fra1.he.net (2001:470:e:38::2) 142.67ms 140.683ms 141.179ms  

12 * be8.core1.prg1.he.net (2001:470:e:1e::2) 151.046ms 159.884ms  

13 be3.core1.vie1.he.net (2001:470:e:a7::2) 151.185ms 153.175ms 150.578ms  

14 * * *  

15 cloudflare.bix.hu (2001:7f8:35::1:3335:1) 179.276ms 164.672ms 163.651ms  

16 2606:4700::6811:180e 162.993ms 155.758ms 153.625ms



    

  

Looking Glass显示是从216.218.253.226来的，也就是core2.bud1.he.net：

core1.sin1.he.net> show bgp ipv6 unicast 2606:4700::6811:180e 

  

Wed Oct 28 11:54:32.040 PDT

BGP routing table entry for 2606:4700::/44

Versions:

  Process           bRIB/RIB   SendTblVer

  Speaker          230415194    230415194

Last Modified: Oct 28 06:57:20.486 for 04:57:11

Paths: (8 available, best #4)

  6453 13335, (aggregated by 13335 10.34.12.44)

    2001:470:0:485::2 from 2001:470:0:485::2 (66.110.1.8)

      Origin IGP, metric 0, localpref 100, valid, external, group-best

      Received Path ID 0, Local Path ID 0, version 0

      Community: 6939:4000 6939:7584 6939:8702 6939:9003

      Origin-AS validity: valid

  6453 13335, (aggregated by 13335 10.34.12.44), (received-only)

    2001:470:0:485::2 from 2001:470:0:485::2 (66.110.1.8)

      Origin IGP, localpref 100, valid, external

      Received Path ID 0, Local Path ID 0, version 0

      Origin-AS validity: valid

  13335, (aggregated by 13335 172.68.224.1)

    2001:470:0:7f::1 (metric 1530) from 2001:470:0:6dc::1 (216.218.253.226)

      Origin IGP, metric 0, localpref 100, valid, internal, atomic-aggregate

      Received Path ID 0, Local Path ID 0, version 0

      Community: 6939:1111 6939:6000 6939:7402 6939:8348 6939:9002

      Originator: 216.218.253.226, Cluster list: 216.218.253.52, 216.218.253.51

  13335, (aggregated by 13335 172.68.224.1), (Received from a RR-client)

    2001:470:0:7f::1 (metric 1530) from 2001:470:3:14::1 (216.218.253.226)

      Origin IGP, metric 0, localpref 100, valid, internal, atomic-aggregate, best, group-best

      Received Path ID 0, Local Path ID 1, version 230415194

      Community: 6939:1111 6939:6000 6939:7402 6939:8348 6939:9002

      Originator: 216.218.253.226, Cluster list: 216.218.253.161



    

  

前缀全是学自匈牙利：

Type: BGP

 BGP.as_path: 51396 6939 13335 

 BGP.community: (6939,7402) [AS6939: Learned in Hungary] [AS6939: Learned in EU] [AS51396: Prefix received from peer] [AS51396: Prefix received via ERA-IX NL] 

                     unicast [AS51396 - DE-v6 0000-00-00] * (?/-) [AS13335]



Type: BGP

 BGP.as_path: 214749 6939 13335 

 BGP.community: (6939,7402) [AS6939: Learned in Hungary] [AS6939: Learned in EU] 

 BGP.large_community: [AS214749: RPKI Valid] [AS214749: Learned from transit] [AS214749: Learned from peer AS6939] 

                     unicast [AS214762 - WAW01 0000-00-00] * (?/-) [AS13335]

					 

Type: BGP

 BGP.as_path: 60900 6939 13335 

 BGP.community: (6939,7402) [AS6939: Learned in Hungary] [AS6939: Learned in EU] (60900,12) 

 BGP.large_community: [AS60900: Learned from upstream] [AS60900: Learned in facility with peeringdb entry 13339] [AS60900: Learned from upstream AS6939] 

                     unicast [AS60900 - edge01-ams-nl 0000-00-00] * (?/-) [AS13335]



    

  

@SKIDROW #4 确实，手上一台上游是HE的美国小鸡测traceroute cloudflare也是直接路由到了匈牙利

HE绕路了，我这也是欧洲

看着像HE绕欧洲了