Certification793 problems· 22 reviewed

CCNA

793 incident response problems that help with CCNA prep.

All problems (793)

NETWORK-1503A pfSense policy route looks correct and outbound traffic still leaves the wrong WANTraffic keeps exiting the backup WAN long after the primary is restored.NetworkAdvanced10 minPro NETWORK-1590A route-policy rename is complete and one BGP peer still resetsOne BGP peer still resets after a route-policy rename.NetworkAdvanced10 minPro NETWORK-1578An Envoy cluster rename is applied and one xDS consumer still exports the old statsOne xDS consumer still exports stats under the old cluster name after a rename.NetworkAdvanced10 minPro NETWORK-1588An Envoy retry policy is fixed and one cluster still retries the old priorityOne cluster still retries the wrong priority after an Envoy fix.NetworkAdvanced10 minPro NETWORK-1608An Envoy route failover is correct and one path still warms the old clusterOne route still warms the old cluster after an Envoy failover update.NetworkAdvanced10 minPro NETWORK-1592An EVPN import cleanup is correct and one leaf still imports the old routeOne leaf still imports the old EVPN route after cleanup.NetworkAdvanced10 minPro NETWORK-1602An EVPN import policy is fixed and one leaf still learns the wrong routeOne leaf still learns the wrong route after an EVPN policy fix.NetworkAdvanced10 minPro NETWORK-1582An EVPN route-target cleanup is correct and one leaf still imports the old routeOne EVPN leaf still imports the old route after cleanup.NetworkAdvanced10 minPro NETWORK-1570An IDS mirror source is corrected and one sensor still sees the wrong VLANOne IDS sensor still sees the wrong VLAN after SPAN cleanup.NetworkAdvanced10 minPro NETWORK-1597An IPFIX collector fix lands and one process still decodes the old fieldOne process still decodes the old field after an IPFIX collector fix.NetworkAdvanced10 minPro NETWORK-1567An IPFIX collector upgrade finishes and one feed still decodes with the old field mapOne IPFIX feed is decoded wrong after collector upgrade.NetworkAdvanced10 minPro NETWORK-1587An IPFIX field map update lands and one collector still parses the old fieldOne collector still parses the old field after an IPFIX map update.NetworkAdvanced10 minPro NETWORK-1572An MLAG peer template is updated and one VLAN still lands wrongOne VLAN lands wrong after MLAG template cleanup.NetworkAdvanced10 minPro NETWORK-1561An NGINX ingress keeps the new upstream and one site still reports the old client IPOne site logs the wrong client IP after ingress and real_ip cleanup.NetworkAdvanced10 minPro NETWORK-1571An NGINX map update is correct and one hostname still routes oldOne hostname still routes to the old upstream after a map update.NetworkAdvanced10 minPro NETWORK-1581An NGINX upstream keepalive fix lands and one site still speaks to the old backendOne site still talks to the old backend after an NGINX keepalive fix.NetworkAdvanced10 minPro NETWORK-1474A CARP failover restores sessions and branch DNS still breaksBranch traffic survives failover while local name overrides disappear until the primary returns.NetworkAdvanced11 minPro NETWORK-1477A Cloudflare Access tunnel looks authenticated and still fails WebSocketsAuthenticated WebSockets fail only on one route family behind Cloudflare Tunnel.NetworkAdvanced11 minPro NETWORK-1467A Cloudflare Tunnel reconnects repeatedlyCloudflare Tunnel becomes unstable after a firewall policy refactor on the return path.NetworkAdvanced11 minPro NETWORK-1553A Cloudflare Tunnel route is active and websocket upgrades still failOnly websocket traffic fails on one connector after origin certificate rotation.NetworkAdvanced11 minPro