[AusNOG] Looking for someone who has experience with Nextgen VPLS

[Brent Paddon]

Have you captured any of this traffic to look at it rather than just sending
data all over the place... ?

On Mon, Apr 4, 2011 at 9:07 PM, Greg M <gregm at servu.net.au> wrote:

> Hi Noggers,
>
>
>
> I am looking for someone who is able to consult/provide support to a large
> organisation which has recently deployed a 100M Nextgen VPLS link between an
> office in Perth & Sydney,  and is experiencing the most bizzare throughput
> issues.
>
>
>
> This link has Nextgen fiber in Perth, with Telstra fiber hand off in
> Sydney, resold via Nextgen as an end-to-end VPLS circuit.
>
>
>
> The issue we face is relating to speed.
>
> -          From Switch A In Sydney to Switch B in Perth, we can do a
> non-df ping of 1500 bytes for 24 hours without a single dropped packet  - so
> there are no MTU issues. Latency is also always stable, even when maxing the
> link at 100Mbps.
>
> -          Each server in Sydney connected to Switch A, can push the full
> VPLS line speed of 100Mbps to servers connected to Switch B in Perth (two
> endpoints of the VPLS tails)
>
> -          There is a 3rd site in Perth that has a 1Gbps Amcom fiber link
> directly between Switch C in this site, and Switch B in the other Perth
> site.
>
> -          Some systems on Switch A in Sydney, can push 100Mbps to some
> servers on Switch C in Perth site #2, yet others can only push 10Mbp, while
> some can only push 1-3Mbps. There are no speed issues between the two Perth
> sites, however as they can happily pump a full 1Gbps to each other.
>
> -          There is a 100Mbps link to WAIX connecting into Switch B in
> Perth. Perth site #2 can do full 100mbps to a test FTP download (lets say
> iiNet’s 500MB test file on their FTP), yet Sydney can only get 45Mbps.
>
>
>
> Basically only the directly connected Sydney Switch and Perth switch are
> able to max out the 100Mbps VPLS circuit. As soon as traffic goes beyond
> this switch, speed seems to degrade – however it doesn’t degrade to all
> locations, as some systems/servers can obtain a full 100Mbps transfer speed
> both inbound and outbound via the Sydney to Perth VPLS. In Perth sites #1
> and #2, there are no speed issues at all, to any site (there are other
> remote VPLS and other connected endpoints), it is only this specific site
> that is having issues.
>
>
>
> There are no errors on any of the interfaces in any of the Perth sites,
> however the Sydney site reports a lot of Outbound Discards on the switch
> port that connects to the Telstra/nextgen VPLS link in Sydney.
>
>
>
> Happy to receive responses on or off-list, and we are happy to pay for
> someone either locally in Sydney or in Perth to help diagnose this – as a
> lot of money is being burnt on this circuit that is not providing consistent
> speeds. We have raised these issues to both Nextgen and Telstra and they are
> pointing the finger at our internal network.
>
>
>
> Thanks!
>
>
> Greg
>
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> AusNOG at lists.ausnog.net
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>
>


-- 
--
Brent Paddon

Director | Over the Wire Pty Ltd brent.paddon at overthewire.com.au |
www.overthewire.com.au
Phone: 07 3847 9292 | Fax: 07 3847 9696 | Mobile: 0400 2400 54
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