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kiwirock

694 posts

Ultimate Geek
+1 received by user: 141


#230626 5-Mar-2018 20:30
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I'm just curious if anyone else on Trustpower that does a trace route to a Spark IP go through Sydney?

 

Click to see full size

 

Same result if I just do a trace to 125.236.192.9 which is my next hop from my Spark UFB connection to Spark.

 

And tracing back the other way back to the CGNAT at Trustpower the last reply back I get is from a Vodafone router:

 

Tracing route to 150.107.173.92 over a maximum of 30 hops

1 1 ms 1 ms 1 ms [172.24.12.254]
2 2 ms 1 ms 1 ms [172.24.24.24]
3 3 ms 3 ms 15 ms 125-236-192-9.adsl.xtra.co.nz [125.236.192.9]
4 * * * Request timed out.
5 28 ms 27 ms 27 ms ae8-20.akcr11.global-gateway.net.nz [122.56.116.9]
6 26 ms 27 ms 27 ms 203.98.18.65
7 27 ms 27 ms 28 ms 203.97.59.122
8 * * * Request timed out.
9 * * * Request timed out. 10 * * * and so on....

 

If I trace from Spark to HOP 7 on the Trustpower to Spark trace I get:

 

1 1 ms 1 ms 1 ms [172.24.12.254]
2 2 ms 2 ms 2 ms [172.24.24.24]
3 16 ms 5 ms 7 ms 125-236-192-9.adsl.xtra.co.nz [125.236.192.9]
4 * 26 ms 27 ms mdr-ip24-int.msc.global-gateway.net.nz [122.56.116.6]
5 33 ms 29 ms 28 ms ae8-10.akbr6.global-gateway.net.nz [122.56.116.5]
6 27 ms 27 ms 27 ms ae7-2.akbr7.global-gateway.net.nz [122.56.119.53]
7 53 ms 50 ms 52 ms xe7-0-2.sgbr3.global-gateway.net.nz [202.50.232.10]
8 51 ms 52 ms 51 ms ae2-10.sgbr4.global-gateway.net.nz [202.50.232.246]
9 55 ms 53 ms 51 ms pacnet.sgbr4.global-gateway.net.nz [202.50.237.26]
10 50 ms 51 ms 52 ms ge-0-0-6.gw2.syd5.10026.telstraglobal.net [202.147.14.205]
11 52 ms 52 ms 51 ms gi2-0-0-900.gw1.syd2.10026.telstraglobal.net [202.147.55.90]
12 55 ms 50 ms 51 ms as4648.nsw.ix.asn.au [218.100.52.136]

 

That's an awfully long way for a packet to get 2.5KM's across town in one direction. Granted, it gets there none the less.

 

 

 

 


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nathanward
5 posts

Wannabe Geek
+1 received by user: 1


  #1968615 5-Mar-2018 23:47
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kiwirock:

 

I'm just curious if anyone else on Trustpower that does a trace route to a Spark IP go through Sydney?

 

Click to see full size

 

Same result if I just do a trace to 125.236.192.9 which is my next hop from my Spark UFB connection to Spark.

 

And tracing back the other way back to the CGNAT at Trustpower the last reply back I get is from a Vodafone router:

 

 

It's not CGN specific, thanks for posting about it. 25ms isn't really a huge problem for most applications, but still, not really ideal. (you should have just had a 25ms hit to your actual host rather than some of the intermediary 50ms hits, I think, because of the way traceroute works in MPLS networks etc.) 

 

It looks like Spark turned up some peering on Megaport and NSWIX that I don't think was there when we last did a round of traffic engineering optimisation, and we were now preferring those routes for various reasons to do with moving things around, etc. etc. Networks are complicated :)

 

Should be fixed now - I can't actually ping the host you gave over either path, but it seems to be working better anyway. Let me know if not, and post some more traceroutes. Copy/pasted text is best if you can, screenshots of traceroutes make me cry :'(


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