[AusNOG] AATP MTU Issues east west

[Justin Lykke]

Ross,

Same issue that we saw and yes it was resolved by performing a temporary fix on request and followed up by a permanent software upgrade , caused me a lot of grief!


Justin Lykke
Network & Security Engineer
NEXTDC (ASX: NXT)
www.nextdc.com
From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Ross [Eve IT]
Sent: Tuesday, 18 March 2014 2:29 PM
To: ausnog at lists.ausnog.net
Subject: Re: [AusNOG] AATP MTU Issues east west

We had a similar issue.
It had something to do with their shaping, a bug with the Cienna kit.
They would implement a fix on request, but everytime we added a new service, it would break again.

They have now implemented a fix for it, a software upgrade I believe.

Ross.

On Tue, Mar 18, 2014 at 3:18 PM, Justin Lykke <Justin.Lykke at nextdc.com<mailto:Justin.Lykke at nextdc.com>> wrote:
Alex,

What type of service in particular ?
IP-Line / E-LAN/ E-Line

We saw some weird mtu issues with AAPT Cienna kit on the their edge dropping certain packets of multiples of 256bytes, prob best to give them a ring and lodge a fault ticket



Justin Lykke
Network & Security Engineer

:ausnog-bounces at lists.ausnog.net<mailto:ausnog-bounces at lists.ausnog.net>] On Behalf Of Alex Voigt
Sent: Tuesday, 18 March 2014 1:55 PM
To: ausnog at lists.ausnog.net<mailto:ausnog at lists.ausnog.net>
Subject: [AusNOG] AATP MTU Issues east west

Hello All

Is anyone see issues with large packets aatp -> aatp east west.

We currently have multiple customers who are on AATP connections at both ends not able to interconnect. Pings are fine but when increasing the length greater the 1472 we cant get through. Its as if they are not fragmenting big packets.

Alex




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--
Regards,
Ross Tsolakidis
IT Architect

Eve IT Pty Ltd
http://www.eve-it.net<http://www.eve-it.com.au/>
1300 65 77 75




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