dist-sw-03 Te1/0/48 oper-downcritical
branch-17 unreachablecritical
branch-22 BGP neighbor idlemajor
acc-sw-41 LLDP neighbor lostmajor
+ 44 more alerts in 90 secondsstorm
48 ALERTS → 1 INCIDENT
Grouped by topology: all behind dist-sw-03model
Unrelated fault on fw-02 kept separateindependent
Likely root cause: uplink Te1/0/48 on dist-sw-03cause
E1Interface Te1/0/48 went down at 09:41:07, before every downstream alarm
E2CRC errors rose on the same link over the previous hour
E3LLDP adjacency to core-01 lost at the same moment
2 SITES · 4 APPS
branch-17 · POS, Wi-Fi guestimpacted
branch-22 · VoIP, inventory syncimpacted
core and data centre paths unaffectedhealthy
dist-sw-03# show interfaces Te1/0/48
input errors rising, CRC 18,402
check: error counters should be near zero
dist-sw-03# show interfaces Te1/0/48 transceiver detail
check: light levels within the allowed range
dist-sw-03#
Suggested fix: reseat or replace the optic on Te1/0/48engineer runs