[AusNOG] Speed issues on ASR1k

[Pouya Madani]

tcp-mss is set to adjust to 1452 under virtual-template
PPP is coming in via a vlan direct from the switch to the asr

On Sat, Mar 18, 2017 at 8:09 PM, trents <trents at linkingservices.com.au>
wrote:

>
> I've seen things like that plenty of times when using AAPT. Its usally the
> same culprits. Do you have a tcp adjust mms in your virtual-template and
> are you terminating directly I to the asr or via a swicth? I has similar
> issues switching from 7200 to asr.
>
>
> Sent from my Samsung Galaxy smartphone.
>
> -------- Original message --------
> From: Pouya Madani <dynamic.mineral at gmail.com>
> Date: 18/03/2017 19:15 (GMT+10:00)
> To: ausnog at lists.ausnog.net
> Subject: [AusNOG] Speed issues on ASR1k
>
> Hi everyone,
>
> Need thoughts on a speed issue and would appreciate if anyone might be
> able to help as I am running out of ideas.
>
> I have a new ASR1002 in production to operate as LNS but services
> authenticated are experiencing speed issues and web pages not loading
> properly. My initial thought was the MTU size but this doesnt look to be
> the root cause as authenticated services can ping (bbc.com for instance)
> by MTU size 1464 (28bit ICMP + 8bit PPP) ok, but (bbc again for example)
> web pages fail to load completely when browsed to. The sample service I am
> testing with is a 20MB EFM and speed test sits around 16MB up/down. No
> input/output errors on any of the interfaces and speed is 1000 duplex full
> on all.
>
> I would appreciate if any one can suggest anything else I might be missing
> out.
>
> Thanks in advance.
>
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