Reply To: Latest Beta Firmwares for DSL-AC51 to DSL-N66U incl. DSL-AC750 Latest DSL ASUSWRT firmware v9.1.2.3_502-g2bdb05b now available. (latest firmware’s are at end of threads) For following ASUS DSL Modem Routers: DSL-AC51 DSL-AC52U DSL-AC55U DSL-AC56U DSL-AC750 DSL-N10-C1 – (extended beta support…

[UK Sentinel]

To help explain, once you have determined your defragmentation ping tests (above) , you then have to allow for whether you are using PPPoE or PPPoA.

ping google.com -f -l 1492 = Defrag

ping google.com -f -l 1464 = no defrag

MTU = 1464 + 28 (IP/ICMP headers) etc. this = 1492 (PPPoE)

‘What some people do not realise is that PPPoE actually adds another 8 header bytes hidden down at the data-link and physical layers and the OS isn’t aware of it header 1492 +  8 = 500’

I dislike getting involved in these types of conversations as many different views /opinions and depends what kit you are using and connecting to Gaming  / Country / Servers etc. . but for UK .

UK  PPoE MTU is 1492 usually is good.

 

In a completely sane world, madness is the only freedom (J.G.Ballard).

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