Cisco Bug: CSCuq78422 - Fabricpath - 1st CE port bringup places interface in L2G Blocking state
Last Modified
Sep 09, 2019
Products (7)
- Cisco Nexus 5000 Series Switches
- Cisco Nexus 5596UP Switch
- Cisco Nexus 5548P Switch
- Cisco Nexus 6004 Switch
- Cisco Nexus 6001 Switch
- Cisco Nexus 5548UP Switch
- Cisco Nexus 5596T Switch
Known Affected Releases
6.0(2)N2(4) 7.0(3)N1(0.125)
Description (partial)
Symptom: In Fabricpath on N5k/N6k switches when the first Edge (CE) port comes up or flaps in working topology, L2 Gateway places this port in Blocking state detecting inconsistency: %STP-2-L2GW_BACKBONE_BLOCK: L2 Gateway Backbone port inconsistency blocking port ...... Conditions: Fabricpath configured with Pseudo configuration and Edge switch has the only CE edge port flapping or CE switch reloading.
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