On the CCR's under Interface > Ethernet > Overall Stats there is a Tx/Rx
'To long' counter. Presumably for packets over the Max size for that
interface which would be the MTU. I've never seen it increment on my CCR's
Many of the old Mikrotik boards didn't support large MTUs. If you any
there is a chart here :
http://wiki.mikrotik.com/wiki/Manual:Maximum_Transmission_Unit_on_RouterBoards
Cheers,
--
Ian Fraser
goZoom.ca Inc.
195 Libby's Rd. McNab-Braeside
K7S0E1
877(613) 622 0093 ext 21
On 15/10/2016 1:23 PM, Andreas Wiatowski wrote:
How do I check that with Mikrotik Josh?
Cheers,
Andreas Wiatowski, CEO
Silo Wireless Inc.
519-449-5656 x-600
From: Josh Luthman
Reply-To: "[email protected] <mailto:[email protected]>"
Date: Saturday, October 15, 2016 at 1:19 PM
To: telrad
Subject: Re: [Telrad] L3 MTU settings
Check for fragmenting packets?
Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373
On Oct 15, 2016 1:15 PM, "Andreas Wiatowski" <[email protected]
<mailto:[email protected]>> wrote:
Please pardon my ignorance with this question. We use Mikrotik
Cloud Core’s L3 routing with OSPF. Wondering if there is any
merit in switching the default L3 MTU of 1500 to 1580 for better
performance and possibly solve some weird VPN problems for
customers on the LTE platform. I know quite some time back there
was a number of discussions around MTU…I can’t seem to find them.
Currently we are L3 MTU of 1500 and L2 MTU is 1580, some are
1588…. Seems to be calculated automatically.
Cheers,
Andreas Wiatowski, CEO
Silo Wireless Inc.
519-449-5656 x-600 <tel:519-449-5656%20x-600>
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