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]

Welcome, so the ASUS DSL-AC51 is for your DSL Backup ?

Does the ASUS router give any indication of DHCP issues within the logs ?

Maybe “idle time-out” but not sure if DSL-AC51 has this option ?

https://support.zen.co.uk/kb/Knowledgebase/Broadband-How-to-disable-the-idle-timeout-on-Asus-routers

and

https://uktechhub.com/forums/topic/wan-connection-drops-on-asus-dsl-n16/page/2/#post-5564

and

Not sure if this helps as more DSL WAN problem fix, at wan>internet connection>additional pppd options … insert  the command

lcp-echo-interval 0

If 0 will not connect, try the commands 60,50,40,30

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

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