My guest WLAN (separate zone) is unusable after upgrading to 9.301. My other two WLANs that are bridged to LAN works fine.
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As soon as I deployed /sbin/ethtool -K wlan0 tso off, these problems disappeared. I just am not seeing the problems being discussed here.
Cheers - Bob
Owner: Emmanuel Technology Consulting
Former Sophos SG(Astaro) advocate/researcher/Silver Partner
PfSense w/Suricata, ntopng,
Other addons to follow