Splunk-style Log Explorer
Sift through hundreds of realistic gNB and 5GC log lines. Filter by severity, component, and time window — just like in a real NOC. Each lab hands you a real-world problem and grades you as you go.
Available log labs
NR Dropped Calls — gNB Log Investigation
Cell gNB-MET-042-N1 saw an 18% spike in dropped calls over 2 hours (7% vs 0.4% baseline). Find the pattern in 2h of gNB logs and pin down the root cause.
Core Overload — AMF During Super Bowl Surge
Super Bowl LX kickoff triggered a mass-reconnect herd at MetLife Stadium. The AMF started rejecting registrations. Find what ACTUALLY overloaded — and why scaling the AMF alone didn't help.
Intermittent Handover Failures — Statistical Analysis
DOWNTOWN-WEST cluster HO success rate slid from 97.5% to 94.1% over a week with no obvious single cause. Dig into 3 days (~800 events) of HO logs and find the hidden pattern.
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Coming soon
IMS Registration Storm — SIP registrar overload
A power event triggers 40K IMS clients to re-REGISTER simultaneously. Read S-CSCF and HSS logs; find why 401 challenges cascade into outage.
UPF Packet Loss — dataplane debug
0.8% packet loss on one UPF pod affecting VoNR quality. Parse DPDK / XDP counters and GTP-U logs to find the dropping queue.
DRB Re-establishment Flood — why are UEs disconnecting?
30-minute burst of RRC re-establishments from one sector. Is it radio, is it PDCP, is it a sync issue? Find it in the logs.
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