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telnet://route-server.newyork.ny.ibone.comcast.net
ip 66.208.229.1, AS7922 Comcast Business Communications, LLC
route-server.newyork.ny.ibone>traceroute gdl.lixian.vip.xunlei.com
Translating "gdl.lixian.vip.xunlei.com"...domain server (68.87.64.164) (68.87.66.164)
Translating "gdl.lixian.vip.xunlei.com"...domain server (68.87.64.164) [OK]
Type escape sequence to abort.
Tracing the route to gdl.lixian.vip.xunlei.com (125.39.149.75)
1 te-1-4-0-6-102-cr01.newyork.ny.ibone.comcast.net (66.208.229.6) 4 msec 4 msec 0 msec
2 pos-1-13-0-0-cr01.ashburn.va.ibone.comcast.net (68.86.89.249) 8 msec 8 msec 8 msec
3 he-4-15-0-0-cr01.56marietta.ga.ibone.comcast.net (68.86.89.182) 24 msec 20 msec 24 msec
4 pos-1-5-0-0-cr01.dallas.tx.ibone.comcast.net (68.86.85.253) 44 msec 44 msec 44 msec
5 pos-0-15-0-0-cr01.losangeles.ca.ibone.comcast.net (68.86.85.137) 76 msec 76 msec 76 msec
6 219.158.33.209 [AS 4837] 72 msec 76 msec 76 msec
7 219.158.27.149 [AS 4837] 240 msec 240 msec 240 msec
8 219.158.97.29 [AS 4837] 240 msec 240 msec 240 msec
9 219.158.11.149 [AS 4837] 240 msec 240 msec 240 msec
10 219.158.8.213 [AS 4837] 272 msec 272 msec 276 msec
11 219.158.21.214 [AS 4837] 296 msec 300 msec 296 msec
12 202.99.66.170 [AS 4837] 292 msec 292 msec 288 msec
13 60.28.31.118 [AS 4837] 292 msec 292 msec 296 msec
14 60.28.253.66 [AS 4837] 288 msec 292 msec 288 msec
15 * * *
route-server.newyork.ny.ibone>show ip bgp 68.87.64.164
BGP routing table entry for 68.87.64.0/23, version 1292156091
Paths: (8 available, best #8, table Default-IP-Routing-Table)
Advertised to update-groups:
2
36733, (received & used)
68.86.1.2 (metric 65535) from 68.86.80.6 (68.86.1.6)
Origin IGP, metric 0, localpref 300, valid, internal
Community: 7922:2 7922:2800 36733:1000 36733:10000
Originator: 68.86.1.2, Cluster list: 68.86.1.6
36733, (received & used)
68.86.1.2 (metric 65535) from 68.86.80.7 (68.86.1.7)
Origin IGP, metric 0, localpref 300, valid, internal
Community: 7922:2 7922:2800 36733:1000 36733:10000
Originator: 68.86.1.2, Cluster list: 68.86.1.7
36733, (received & used)
68.86.1.0 (metric 66795) from 68.86.80.12 (68.86.1.12)
Origin IGP, metric 0, localpref 300, valid, internal
Community: 7922:0 7922:2800 36733:1000 36733:10000
Originator: 68.86.1.0, Cluster list: 68.86.1.12
36733, (received & used)
68.86.80.0 (metric 66795) from 68.86.80.0 (68.86.1.0)
Origin IGP, metric 0, localpref 300, valid, internal
Community: 7922:0 7922:2800 36733:1000 36733:10000
36733, (received & used)
68.86.1.0 (metric 66795) from 68.86.80.10 (68.86.1.10)
Origin IGP, metric 0, localpref 300, valid, internal
Community: 7922:0 7922:2800 36733:1000 36733:10000
Originator: 68.86.1.0, Cluster list: 68.86.1.10
36733, (received & used)
68.86.1.0 (metric 66795) from 68.86.80.11 (68.86.1.11)
Origin IGP, metric 0, localpref 300, valid, internal
Community: 7922:0 7922:2800 36733:1000 36733:10000
Originator: 68.86.1.0, Cluster list: 68.86.1.11
36733, (received & used)
68.86.1.0 (metric 66795) from 68.86.80.13 (68.86.1.13)
Origin IGP, metric 0, localpref 300, valid, internal
Community: 7922:0 7922:2800 36733:1000 36733:10000
Originator: 68.86.1.0, Cluster list: 68.86.1.13
36733, (received & used)
68.86.80.2 (metric 65535) from 68.86.80.2 (68.86.1.2)
Origin IGP, metric 0, localpref 300, valid, internal, best
Community: 7922:2 7922:2800 36733:1000 36733:10000
AS4837 China Unicom Backbone 和AS7922 Comcast Business Communications, LLC没有peering relationship, 他们怎么实现直接通讯的呢? 如果一方是买的transit, transit provider的网络是透明的? 怎么看出来谁在用transit?
两个AS的peers
http://bgp.he.net/AS4837#_peers
http://bgp.he.net/AS7922#_peers
另外在这种route server上面 怎么看哪些命令是可以用的呢? 很多命令都被AAA禁止掉了 Command authorization failed...
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