Timeouts and Latency
184 incident problems that show up as “Timeouts and Latency”.
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All problems (184)
NETWORK-033Cross-vendor EtherChannel failsThe bundle comes up on one side only, leaving traffic hashed inconsistently, because the two platforms are not negotiating the channel mode the same way.NetworkIntermediate23 minFreeSECURITY-010Password policy update breaks automation account loginA stronger policy is applied broadly, but one unattended account still uses the old credential pattern and starts failing.SecurityBeginner13 minFreeNETWORK-087Router-on-a-stick subinterface works for one VLAN but the allowed list omits the new segmentInter-VLAN routing exists overall, but the newly added segment remains isolated because the trunk never allowed that VLAN onto the router link.NetworkIntermediate15 minFreeNETWORK-106A QinQ handoff preserves the service VLAN but rewrites the inner PCP bits so voice traffic loses priorityConnectivity remains intact, but quality degrades because the handoff normalizes priority bits the downstream voice design expected to preserve.NetworkIntermediate16 minFreeNETWORK-082Access switch uplink looks up but the native VLAN changed and voice phones never get the right DHCP scopeLink status is healthy, yet phone onboarding fails because the expected voice and management traffic classification changed with the trunk native VLAN baseline.NetworkIntermediate16 minFreeNETWORK-092EtherChannel load-balancing hash sends one chatty flow over the only degraded member linkMost traffic looks normal, but one application suffers because its flow hash repeatedly lands on the weakened physical member of the bundle.NetworkIntermediate16 minFreeK8S-098Gateway route hostname matches but TLS mode passthrough prevents the expected path rewriteThe route is attached, yet behavior differs because the chosen TLS handling mode bypasses the HTTP features the operator expected to apply.KubernetesIntermediate16 minFreeNETWORK-069Internal clients cannot reach the public VIPExternal users connect normally, yet internal users fail on the same FQDN because the firewall does not hairpin the connection back to the inside service path.NetworkIntermediate16 minFreeK8S-089Probe succeeds on localhost but the service mesh policy blocks real pod-to-pod callsThe container reports healthy, yet callers still fail because the readiness command bypasses the same network policy and sidecar path used in production traffic.KubernetesIntermediate16 minFreeK8S-082Ingress path works externally but internal probes failUser traffic succeeds through one route, yet health probes and some internal paths fail because the controller still speaks the wrong protocol to the service.KubernetesIntermediate17 minFreeK8S-075Service mesh sidecar intercept excludes the health port on one Deployment onlyThe mesh is healthy in the cluster overall, but one workload fails readiness because its sidecar capture rules skip the port the probe is supposed to reach.KubernetesIntermediate17 minFreeNETWORK-070DHCP snooping uplink trust is missing after a switch replacement and clients lose gateway accessAccess ports still look normal, but ARP and DHCP behavior collapses because the new switch never restored the trusted uplink role toward the real infrastructure path.NetworkIntermediate18 minFreeNETWORK-065Root guard errdisables the uplink after temporary loop prevention during maintenanceThe spanning-tree design is mostly correct, but a maintenance path unexpectedly presents a superior BPDU and the protected uplink shuts itself down.NetworkIntermediate19 minFreeLINUX-032Systemd service starts manually but fails on boot without network-online targetThe unit runs when started interactively, yet boot-time startup fails because dependency ordering assumes the network is ready earlier than it actually is.LinuxIntermediate19 minFreeK8S-055Gateway API route is Accepted but never serves trafficThe route object looks healthy in status output, but the parent listener does not actually match the requested hostname and path combination.KubernetesIntermediate22 minFreeLINUX-074Boot stalls on a dead NFS mountThe host itself is healthy, but boot takes far too long because a remote mount is treated like a local dependency and blocks the sequence.LinuxBeginner13 minFreeLINUX-082systemd service restarts foreverThe unit logic looks sensible, but rapid restart attempts fail because the old process has not released the listening resource before the next launch begins.LinuxIntermediate14 minFreeNETWORK-021Proxy forwards HTTPS as HTTP after port-based rule rewriteProxy forwards HTTPS as HTTP (Timeouts and Latency) is a hands-on troubleshooting drill. Traffic reaches the proxy, but a port rewrite changes the scheme assumption and breaks the application redirect flow. NGINX Firewall and Proxy Paths needs to be checked by narrowing scope,...NetworkBeginner15 minFreeLINUX-064systemd socket activation still listens on the old port after only the service unit changedThe binary and service file look updated, but clients still hit the previous port because the socket unit remained the real source of truth.LinuxIntermediate15 minFreeK8S-108Service internalTrafficPolicy Local blackholes requests after a scale down leaves one node without local endpointsThe service stays healthy overall, but clients on one node get failures because the policy forbids cross-node forwarding after endpoint placement changes.KubernetesIntermediate16 minFree