We are refreshing the core of a small office and put in a pair of Aruba CX 6200F. The link between the two switches is meant to be a 10G trunk on the SFP+ uplinks, and I cannot get either box to admit that 10G exists on that port. 2x Aruba CX 6200F Switch Series, trunk on port 1/1/25 Cisco…
We are pushing Wi-Fi into an outbuilding on a campus site. The only fibre going that way is a single strand, so the plan was to hang an AP-375 out there and feed it over a BiDi pair we already had on the shelf. Aruba AP-375, ArubaOS 8 Cisco BiDi SFP in the AP cage, its matching partner wavelength…
I look after a two-building site and the access switches were replaced with Aruba 2540s a while back. The fibre between the buildings has not been touched, but since the swap the uplink refuses to come up. Aruba 2540 on our side, ports 51 and 52 used for the uplinks Aruba J4858D 1000SX in the 2540…
We had a 200 m OM4 backbone pulled between two buildings a while back and I am trying to light it with kit we already own. Both ends are 2530s, both modules are the HPE part, and the link simply will not come up. 2x Aruba 2530-48G 2x J4858C 1000SX, port 51 on each side roughly 200 m of freshly…
On an Aruba 1930 (JL685A, software 2.6.0) two D-NET DN-SFP-LX modules in SFP+ ports 49 and 50 actually carried traffic, yet the web dashboard showed both ports as DOWN and, without a CLI, the poster could not check whether the modules were identified. The question was whether this was a bug, an…
We are bringing up a pair of 8360-32Y4C as leaves and the downlink plan is deliberately mixed: mostly 25G to servers, a couple of 50G ports to a compute chassis, and a few slow copper drops for out-of-band gear. Because the SFP56 downlinks are grouped and the speed is set per group, I want to…
An Aruba/HPE 2530-48G-2SFP+ on firmware 16.01.0012 logged Port contains a transceiver not made by Hewlett Packard Enterprise with the advice to use onlly genuine transceivers, and refused the modules; ironically one of the rejected transceivers was HP-branded. The poster asked whether a command…
The poster wanted to connetc Aruba 2540 switches (JL357A, firmware YC.16.09.0001) to Cisco Catalyst 9300 switches using Cisco SFP-H10GB-CU3M DACs. After enabling allow-unsupported-transceiver the cables were still not recognised: show tech transceivers listed the port as unsupported, the LED…
Even with allow-unsupportted-transceiver enabled, HPE Aruba 3810M and 2930M switches showed an amber fault for generic SFP+ modules, including ones recoded to masquerade as a J9151A. The author traced the behaviour to HPE's HPIDv2 challenge-response authentication: the module EEPROM carries a flag…
A customer saw errors on a fibre link and suspected a speed mismatch with a 1G far end. The poster asked whether 10G SFP+ transceivers are backward compatible with 1G, or whether the modules had to be swapped for 1G SFPs to talk to the gigabit device on the other side. Hardware involved: Aruba…
Two Aruba 2930F switches (JL256A, firmware 16.05.0003) were to be stacked with VSF over an HPE DAC. With allow-unsupported-transceiver enabled the DAC passed traffic on normal ports, but as soon as the ports were made VSF member links the stack would not form. Replacing the DAC with supported 10G…
The poster needed to connect stacked Aruba 6300F (JL665A) switches to a 6300M core (JL658A) at 10 Gbps over more than 3 m. J9283D 3 m DACs worked for short runs and the older 3810/2930 platforms supported a 7 m J9285D cable, but that cable is not listed for the 6300. The question was whether the 5…
On Aruba 2930F switches (JL255A) the poster installed new J9151E 10G SFP+ transceivers (part 1990-4727) that the transceiver guide lists as supported, but every unit was reported as Unsupported Transceiver (SelfTest Err#128000) and show tech transceivers showed ?? for type and serial. J9281D DACs…
With an Aruba 2930F connected to a server through a Stornet-branded J9283D-SN passive 3 m SFP+ DAC, port 50 dropped the link immediately after it came up and port 52 flapped with the log message FFI : Port: 52 Excessive link state transitions. The same cable worked on ports 49 and 51, and fibre…
The poster bought eight J9150D 10G SR SFP+ transceivers for an Aruba 5406R zl2 chassis with a J9993A module. Every module lit the orange LED and logged Unsupported Transceiver. (SelftTest Err#098000), even though the compatibility documents list this combination and the chassis had already been…
