Configuration for World of Warcraft

Playing World of Warcraft via Mudfish on CachyOS Linux.
Default UDP gives me bursts of MUDEC_00774: UDP: select timeout, packet loss and disconnects; NetworkManager flips to CONNECTED_SITE (no internet) and only recovers after Mudfish reconnects. Removing Mudfish doesn’t clear it.
Current: Protocol UDP, RTT method UDP, MTU 1400, FastConnect on, mudfish 6.5.4 (tap0).
Since the docs say WoW is TCP-based, what’s the optimal setup?

Hi! WoW’s TCP traffic can use either tunnel protocol. Please test TCP for Connection Protocol and RTT Checking Method (Setup → Program), MTU 1350, with FastConnect and Full VPN off. Restart Mudfish and WoW. These match your saved settings; does it still disconnect? Once stable, try FastConnect for WoW.

MUDEC_00774 is an RTT probe timeout, so the outage needs further diagnosis. If it recurs, enable TRACE in Setup → Program → Launcher, reproduce it, then submit a Problem Report via the dashboard pencil icon. Include ip route, resolvectl status, and nmcli networking connectivity check.

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