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Network Engineering Cases

3 real-world cases documented by African engineers. Learn from their troubleshooting experience.

🌍 All VendorsCISCOHUAWEIJUNIPERNOKIAZTEERICSSON
CN

Chidi Nwosu

HUAWEI HCIE · Globacom · 18h ago

INVESTIGATINGCRITICAL

Huawei NE40E Memory Leak on L3VPN Scale

Progressive memory exhaustion on NE40E under 500+ L3VPN scale. BGP RIB process consuming abnormal memory after route refresh.

L3VPNMemoryNE40E
521364
NA

Ngozi Adeyemi

CISCO CCNP · Airtel Nigeria · 18h ago

RESOLVEDHIGH

OSPF Adjacency Failure after IOS-XE 17.9.3 Upgrade

OSPF adjacencies dropped on all P2P links post-upgrade. EXSTART/EXCHANGE loop observed.

OSPFIOS-XEUpgrade
180138
EO

Emeka Okafor

CISCO CCIE · MTN Nigeria · 18h ago

RESOLVEDCRITICAL

BGP Route Flapping on PE Router – Lagos PoP

Intermittent BGP session resets on PE-LAG-01 every ~4 minutes. Hold-timer expire events in MRT logs.

BGPMPLSCore
610225

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