November 13, 2026
Aruba AOS-CX STP Troubleshooting: Commands for MSTP and RPVST+
A redundant uplink on an Aruba switch is discarding frames. Is that the expected backup path, or did a protection feature intervene? Start with the spanning-tree instance that carries the affected VLAN, then compare its root, port roles, and recent topology changes against your design. This guide uses Aruba CX 6300 switches and the AOS-CX […]