[AusNOG] Latency Issue
Bruce Forster
bruce at tubes.net.au
Tue Aug 2 08:55:08 EST 2016
id have to agree sounds like an mtu issue or something else is giving you
problems i dont think a traceroute/mtr will give you much information
regarding the pages not loading...
this document is really useful when trying to interpret mtr/traceroute
data:
https://www.nanog.org/meetings/nanog47/presentations/Sunday/RAS_Traceroute_N47_Sun.pdf
On Tue, Aug 2, 2016 at 8:10 AM, QCS Group - Infrastructure <
Infrastructure at qcsgroup.com.au> wrote:
> Web pages seems to timeout on first load attempt sometimes. Refresh and
> jumps through ok. Once loaded no issues at all. Just wondering if this
> could cause it or something else in the works
>
>
>
> Sent from my Samsung device
>
>
> -------- Original message --------
> From: Philip Loenneker <Philip.Loenneker at tasmanet.com.au>
> Date: 2/08/2016 08:03 (GMT+10:00)
> To: ausnog at lists.ausnog.net
> Subject: Re: [AusNOG] Latency Issue
>
> Hi Marius,
>
>
>
> Are you seeing “real world” traffic or performance issues, or only on the
> traceroute? A lot of routers dedicate resources to throughput rather than
> responding to ICMP, so it could be the specific hardware on AAPT’s network
> or their configuration. The fact that the later hops have consistent ping
> times, including all 3 paths being within 1ms of each other for the last
> hop, implies that traffic is flowing ok.
>
>
>
> Regards,
>
> *Philip Loenneker | Network Engineer** | TasmaNet*
>
> 40-50 Innovation Drive, Dowsing Point, Tas 7010, Australia
>
> P: 03 6165 2542 | M: 0404 097 816
>
> philip.loenneker at tasmanet.com.au
>
> *www.tasmanet.com.au <http://www.tasmanet.com.au/>*
>
>
>
> *From:* AusNOG [mailto:ausnog-bounces at lists.ausnog.net] *On Behalf Of *QCS
> Group - Infrastructure
> *Sent:* Tuesday, 2 August 2016 7:55 AM
> *To:* ausnog at lists.ausnog.net
> *Subject:* [AusNOG] Latency Issue
>
>
>
> Hi All,
>
>
>
> Hoping someone could push me in the right direction, we have a rack in
> NextDC B1.
>
>
>
> I am getting some strange latency issues when doing trace routes, we have
> 2 x BGP routes through AAPT, each one on a different AG Access, and also 1
> BGP with Pipe networks.
>
>
>
> Issue seems to be on the AAPT stuff, ping doesn’t seem so spike a lot but
> the traceroute is really an issue as sometimes it will actually timeout.
> Anyone ever seen this or have some guidance? Below is some logs
>
>
>
> Using AAPT link 1
>
> [admin at BGP1.DC1.QCSGROUP.COM.AU] > tool traceroute 8.8.8.8
> routing-table=AAPT
>
> # ADDRESS LOSS SENT LAST AVG BEST
> WORST
>
> 1 61.69.105.161 7.6% 145 1.4ms 20.2 0.9
> 802.7
>
> 2 203.131.62.32 0% 145 0.7ms 2.1 0.7
> 71.7
>
> 3 202.10.12.25 0% 145 0.8ms 1.1 0.7
> 9.1
>
> 4 202.10.12.18 0% 145 0.7ms 2.9 0.6
> 85.4
>
> 5 202.10.14.39 0% 145 1.2ms 1.3 1.1
> 3
>
> 6 203.219.107.209 0% 145 13.9ms 14.1 13.8
> 14.4
>
> 7 203.219.166.193 0% 145 13.6ms 17.9 13.5
> 258.3
>
> 8 203.219.107.113 0% 145 16.2ms 15 13
> 16.8
>
> 9 203.219.35.132 0% 145 25.3ms 20.4 13.6
> 25.5
>
> 10 203.219.107.6 0% 144 14ms 14.6 13.9
> 40.7
>
> 11 72.14.237.11 0% 144 14.4ms 14.4 14.3
> 14.9
>
> 12 216.239.40.255 0% 144 14.4ms 14.4 14.3
> 16.2
>
> 13 8.8.8.8 0% 144 13.9ms 13.9 13.8
> 14.4
>
>
>
> Using AAPT Link 2
>
> [admin at BGP1.DC1.QCSGROUP.COM.AU] > tool traceroute 8.8.8.8
> routing-table=AAPT1
>
> # ADDRESS LOSS SENT LAST AVG BEST
> WORST
>
> 1 59.100.211.221 34% 54 timeout 102.7 0.8
> 822
>
> 2 203.131.62.22 0% 53 0.5ms 1 0.4
> 22.2
>
> 3 202.10.14.39 0% 53 1ms 1.2 0.9
> 2.3
>
> 4 203.219.107.209 0% 53 13.3ms 13.3 13.1
> 15.3
>
> 5 203.219.166.129 0% 53 12.9ms 15.6 12.8
> 85.8
>
> 6 203.219.107.113 0% 53 14.8ms 14.7 12.9
> 16.6
>
> 7 203.219.35.132 0% 53 22.7ms 19.3 14.6
> 24.5
>
> 8 203.219.107.6 0% 53 13.9ms 14.4 13.8
> 26
>
> 9 216.239.41.51 0% 53 14.3ms 14.3 14.2
> 14.4
>
> 10 216.239.41.83 0% 53 14.9ms 14.8 14.8
> 14.9
>
> 11 8.8.8.8 0% 53 13.8ms 13.8 13.7
> 14.4
>
>
>
> Ping from AAPT
>
> 112 61.69.105.161 56 64 0ms
>
> 113 61.69.105.161 56 64 1ms
>
> 114 61.69.105.161 56 64 0ms
>
> 115 61.69.105.161 56 64 0ms
>
> sent=116 received=116 packet-loss=0% min-rtt=0ms avg-rtt=0ms
> max-rtt=2ms
>
>
>
> Using Pipe
>
> [admin at BGP1.DC1.QCSGROUP.COM.AU] > tool traceroute 8.8.8.8
> routing-table=pipe-netw
>
> ork
>
> # ADDRESS LOSS SENT LAST AVG BEST
> WORST
>
> 1 203.192.85.233 0% 150 0.7ms 1.1 0.2
> 36.9
>
> 2 121.101.138.4 0% 150 13.1ms 13.1 13.1
> 13.2
>
> 3 121.101.138.230 0% 150 13.1ms 13.2 13.1
> 24.2
>
> 4 121.101.138.149 0% 150 15.4ms 13.5 13.1
> 16.6
>
> 5 218.100.2.97 0% 150 13.6ms 14 13.6
> 44.4
>
> 6 216.239.41.77 0% 150 13.8ms 13.8 13.7
> 13.9
>
> 7 209.85.244.15 0% 150 13.6ms 13.6 13.6
> 13.7
>
> 8 8.8.8.8 0% 150 13.5ms 13.5 13.5
> 13.6
>
>
>
> Thanks
>
> Marius
>
>
>
>
>
>
>
>
>
>
>
>
>
>
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--
Regards,
Bruce
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