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…

[Morpheus]

Hello.
I bought ASUS DSL-AC51 to replace the deceased Zyxel DSL.
Main connection via LTE router Kroks, backup via DSL ISP.
The DSL connection works perfectly, but the link from the Korks router does not always rise when the ASUS is rebooted or turned on – the indication blinks when the router starts, and then disappears and ASUS writes – WAN disconnect.
When Zyxel was standing, there was no such problem, and if instead of Kroks you turn on a another router, everything also works fine. Some kind of incompatibility between ASUS and Kroks. Contacted Kroks support – got some advice disable DHCP, IPv6, but it didn’t help.
How do I fix the problem?
I thinking in the direction of restarting the WAN port, where Kroks is connected, after full launch of ASUS through a script … Unfortunately, my knowledge of ASUS firmware is very weak, ifconfig nas12 down + ifconfig nas12 up does not help!

P.S. sorry for my bad English!

Workaround: As a temporary solution, disconnecting or reconnecting the network cable in the connector from the Kroks router helps. After this manipulation, the WAN connection is up and everything starts working normally.

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