[AusNOG] Telstra EA 2gbps STD CoS - Experience

Cameron Murray cameron.murray at gmail.com
Tue Oct 1 08:32:41 EST 2019


Morning Greg,

100% understandable about the standard profile which Is why we worked with
support overnight and changed the link to Premium and get the same results
as standard.

Single iPerf connections:

Download:

[ ID] Interval           Transfer     Bandwidth       Retr
[  4]   0.00-10.00  sec   127 MBytes   106 Mbits/sec   56             sender
[  4]   0.00-10.00  sec   126 MBytes   106 Mbits/sec
 receiver


Upload:

[ ID] Interval           Transfer     Bandwidth       Retr
[  4]   0.00-10.00  sec  60.6 MBytes  50.9 Mbits/sec    0             sender
[  4]   0.00-10.00  sec  60.5 MBytes  50.7 Mbits/sec
 receiver


8 iPerf connections:

Download:

[SUM]   0.00-10.00  sec   880 MBytes   738 Mbits/sec  618             sender
[SUM]   0.00-10.00  sec   878 MBytes   736 Mbits/sec
 receiver


Upload:

[SUM]   0.00-10.00  sec   497 MBytes   417 Mbits/sec    0             sender
[SUM]   0.00-10.00  sec   496 MBytes   416 Mbits/sec
 receiver

While Generally the ole faithful Speedtest.net is poor measurement this
does replicate the iperf results however with a margin of content filtering
overhead:

1 Connection:

 DOWNLOAD Mbps: 74.09


 UPLOAD Mbps: 42.06

8 Connections:

 DOWNLOAD Mbps: 527.46
 UPLOAD Mbps: 252.76

Their official word is the RFC test does not support higher than 1gbps and
they shared their interface configuration with me:

XXXX-NTU-402#   Running config.

provision

bw profile 10G_PRE_2000M_1:1_1600B_v3

  cir 2g

  cbs 2000M

  color-mode aware-and-drop-red

bw profile 10G_STD_2000M_0:1_v3

  eir 2g

  ebs 1M

  color-mode aware-and-drop-red

cfm profile CFM_EV_Profile

  lowest-alarm-prio rmep

rfc2544 profile TDM_RFC2544_TPUT_TEST_D845114

  protocol dmmY1731

  type throughput

  *rate 1g                                     <<<=limit for RFC testing
only*

  duration 10

Waiting on a call back from their onshore Level 3 this morning as their
Offshore team had not dealt with a EA 2gbps service before in the group
that has been working the last few nights.

On Tue, Oct 1, 2019 at 8:04 AM Greg Lipschitz <
glipschitz at summitinternet.com.au> wrote:

> Hi Cameron
>
> EA Standard offers no guarantee on available capacity.
>
> If you read the TSIS, they are very clear that the EA Standard service is
> sold as 0:1 CIR:PIR (All EIR).
>
> So the lack of bandwidth at times does not surprise me in the slightest.
>
> The other thing they do say is that they will drop Standard CoS packets
> before all other.
>
> If you don’t shape at both your aggregation port and the customer port,
> you hit the Telstra policer, which is extremely aggressive on EA standard,
> and they simply drop the packets causing a picket fencing effect on your
> traffic.
>
> Telstra can do up to 10G with their RFC testing but they have a very
> limited amount of equipment in Australia (the equipment is the size of a
> very large desktop computer).
>
> Sing out if you need some more pointers.
>
> Cheers
> Greg
>
>
>
> Greg Lipschitz​  |  Founder & CEO  |  Summit Internet
> *glipschitz at summitinternet.com.au* <glipschitz at summitinternet.com.au>
> *summitinternet.com.au* <http://summitinternet.com.au>
> *1300 049 749* <1300%20049%20749>
> *Unit 2, 31-39 Norcal Road, Nunawading VIC 3131*
> <https://www.google.com/maps?cid=12522583051503623677&_ga=2.149009334.1057584350.1554770858-1081443428.1554770858>
> [image: Summit Internet] <http://summitinternet.com.au>
> ------------------------------
> *From:* AusNOG <ausnog-bounces at lists.ausnog.net> on behalf of Chris
> Kawchuk <ckawchuk at gmail.com>
> *Sent:* Monday, September 30, 2019 10:04:20 AM
> *To:* Cameron Murray <cameron.murray at gmail.com>
> *Cc:* <ausnog at lists.ausnog.net> <ausnog at lists.ausnog.net>
> *Subject:* Re: [AusNOG] Telstra EA 2gbps STD CoS - Experience
>
> Whats your burst-control values set to at either end?
>
> TelstraEA is pretty draconian on excess burst-to-line-rate overages on
> sub-rate EVCs. If your token-buffers are too large, you'll get clipped by
> an ingress policer at both ends.
>
> - CK.
>
>
>
> > On 30 Sep 2019, at 8:30 am, Cameron Murray <cameron.murray at gmail.com>
> wrote:
> >
> > Morning,
> >
> > Wondered if anyone has had any experience with this type of service?
> We've just installed our first since it was released in May and performance
> is a mixed bag and Support have been little to no help as their RFC testing
> does not go above 1gbps.
> >
> > We've seen latency change from .5ms from A > B to 3.2ms and single
> thread TCP performance drop from 900/850 to the following testing with
> iPerf:
> >
> > [ ID] Interval           Transfer     Bandwidth       Retr
> > [  4]   0.00-10.00  sec   159 MBytes   133 Mbits/sec   12
> sender
> > [  4]   0.00-10.00  sec   159 MBytes   133 Mbits/sec
> receiver
> >
> > [ ID] Interval           Transfer     Bandwidth       Retr
> > [  4]   0.00-10.00  sec  38.4 MBytes  32.2 Mbits/sec    0
> sender
> > [  4]   0.00-10.00  sec  38.2 MBytes  32.1 Mbits/sec
> receiver
> >
> > Before we modify the service to Premium I was hoping to get a benchmark.
> >
> > TIA.
> >
> > Cameron
> > _______________________________________________
> > AusNOG mailing list
> > AusNOG at lists.ausnog.net
> >
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