Cisco Bug: CSCup75539 - WS-C2960CG-8TC-L dual root bridge occur when execute "show tech"
Last Modified
Nov 27, 2020
Products (171)
- Cisco Catalyst 2960-C Series Switches
- Cisco Catalyst 3560X-48T-E Switch
- Cisco Catalyst 3560X-48P-S Switch
- Cisco Catalyst 3560X-48U-S Switch
- Cisco Catalyst 2960C-12PC-L Switch
- Cisco Catalyst 2960S-F48FPS-L Switch
- Cisco Catalyst 3560E-24TD-S Switch
- Cisco Catalyst 3560E-12D-E Switch
- Cisco Catalyst 3560E-48PD-SF Switch
- Cisco Catalyst 2960-48TT-S Switch
Known Affected Releases
15.0(2)SE6
Description (partial)
Symptom: The two 2960CG-2 were bundled by port-channel. In general, the 2960CG-2 is the root. WS-C2960CG-8TC-L dual root bridge issue occur when execute "show tech" on 2960CG-1 or 2960CG-2. +---------------+G1/9 G1/9+---------------+ | 2960CG-1 +-----------------+ 2960CG-2 | | +-----------------+ | +---------------+G1/10 G1/10+---------------+ It also can be reproduced by only one connection. Conditions: execute "show tech"
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Bug Details Include
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