5520 Series is a universal hardware product that supports more than one Network Operating System (NOS) personality. For information about NOS personalities, see Fabric Engine User Guide.
Note
Prior to Fabric Engine 8.6, 5520 Series platforms ran VOSS. VOSS support ends for these platforms with VOSS 8.5.x.
|
Model |
Initial release |
Supported new Fabric Engine feature release |
||||
|---|---|---|---|---|---|---|
|
8.10.1 |
9.0 |
9.0.2 |
9.0.3 | 9.1 | ||
| 5520-12MW-36W |
VOSS 8.2.5 |
Y |
Y |
Y |
Y | Y |
| 5520-24T |
AC: VOSS 8.2.5 |
Y - AC only |
Y |
Y |
Y | Y |
|
ACDC: Fabric Engine 9.0 |
||||||
| 5520-24W |
VOSS 8.2.5 |
Y |
Y |
Y |
Y | Y |
| 5520-24X |
AC: VOSS 8.2.5 |
Y - AC only |
Y |
Y |
Y | Y |
|
ACDC: Fabric Engine 9.0 |
||||||
| 5520-48SE |
AC: VOSS 8.2.5 |
Y - AC only |
Y |
Y |
Y | Y |
|
ACDC: Fabric Engine 9.0 |
||||||
| 5520-48T |
AC: VOSS 8.2.5 |
Y - AC only |
Y |
Y |
Y | Y |
|
ACDC: Fabric Engine 9.0 |
||||||
| 5520-48W |
VOSS 8.2.5 |
Y |
Y |
Y |
Y | Y |
Note
Ensure the switch runs, at a minimum, the noted initial software release before you install a VIM.
|
Model |
Initial release |
Supported new Fabric Engine feature release |
||||
|---|---|---|---|---|---|---|
|
8.10.1 |
9.0 |
9.0.2 |
9.0.3 | 9.1 | ||
| 5520-VIM-4X |
VOSS 8.2.5 |
Y |
Y |
Y |
Y | Y |
| 5520-VIM-4XE |
VOSS 8.2.5 |
Y |
Y |
Y |
Y | Y |
| 5520-VIM-4YE |
VOSS 8.2.5 |
Y |
Y |
Y |
Y | Y |
The 5520-24T, 5520-24X, 5520-48SE, and 5520-48T models require a minimum of Fabric Engine 8.9 to support power supplies and fans with back-to-front airflow.
The 5520-24T-ACDC, 5520-24X-ACDC, 5520-48SE-ACDC, and 5520-48T-ACDC models require a minimum of Fabric Engine 9.0 to support DC power supplies.
The following table summarizes the operational capabilities of the various VIMs:
| 5520-VIM-4X | 5520-VIM-4XE | 5520-VIM-4YE | |
|---|---|---|---|
|
Operational speeds |
1Gbps & 10Gbps |
1Gbps & 10Gbps |
10Gbps & 25Gbps |
|
PHY present |
No |
Yes |
Yes |
|
1000BASE-T & 10GBASE-T |
10GBASE-T only |
Both |
10GBASE-T only |
|
Mixed speeds |
1Gbps & 10Gbps |
1Gbps & 10Gbps |
Mixed speeds not supported |
|
1G Auto-negotiation |
Disabled |
Disabled |
Disabled |
|
10G Auto-negotiation |
Disabled |
Disabled |
Disabled |
|
25G Auto-negotiation |
Enabled for DAC Disabled for Fiber |
||
|
FEC |
Not supported |
Not supported |
Auto-FEC enabled for DAC and Fiber |
|
MACsec |
Not supported |
128/256 bit |
128/256 bit |
The IEEE 802.3by requirement for 25 Gb is that any transceiver or DAC 3 meters or longer, requires the use of forward error correction (FEC).
If you use an unsupported 25 Gb transceiver, you might experience CRC or link flap errors.