nanog mailing list archives

Re: LTE modem where I can control the MTU


From: "J. Hellenthal via NANOG" <nanog () nanog org>
Date: Fri, 1 May 2020 18:13:17 -0500

On Fri, May 01, 2020 at 11:56:57AM -0400, Dovid Bender wrote:
   I currently have an airlink that is connected directly to a raritan
   console server. The public IP sits on the raritan. The airlink does not
   seem to have any MTU options. Ideally I would change the MTU on the
   interface of the LTE modem wich would force the raritan to send all data <
   1400 bytes per packet. I never thought about the reverse so we may need
   something that would tinker with the MSS as well.


Not too familiar with airlink but it perhaps doesn't happen to have a
(ALG)/Application Layer/Level Gateway in it does it ?

If so I could reccomend attempting to turn it off. Ive seen this
similiar sort of thing in other routing equipemnt that either didn't
work at all or would bomb out on particular services.

-- 
The fact that there's a Highway to Hell but only a Stairway to Heaven says a lot about anticipated traffic volume.

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