The default Auto-Negotiation behavior depends on the switch model, port type, and transceiver type. The following tables provide the default combinations.
Port type |
Model |
Transceiver type |
Auto-Negotiation |
FEC |
---|---|---|---|---|
10/100/1000Base-T |
5320-24P-8XE 5320-24T-8XE 5320-48P-8XE 5320-48T-8XE 5320-16P-4XE 5320-16P-4XE-DC |
Enabled |
||
First 4 XE SFP+ Note:
By default, the first 3 XE ports on the 24- and 48-port models are not available for front panel use because they are reserved for Advanced Feature Bandwidth Reservation. |
5320-24P-8XE 5320-24T-8XE 5320-48P-8XE 5320-48T-8XE 5320-16P-4XE 5320-16P-4XE-DC |
100M | No 100M support | |
1GBASE-T |
Enabled. The operational state is always enabled regardless of configuration. |
|||
1G SFP |
Not Supported |
|||
10GBASE-T |
Enabled. The operational state is always enabled regardless of configuration. |
|||
10G DAC |
Not Supported |
|||
10G SFP+ |
||||
Last 4 XE SFP+ |
5320-24P-8XE 5320-24T-8XE 5320-48P-8XE 5320-48T-8XE |
100M |
100FX part number 10063 only |
|
1GBASE-T |
Enabled. The operational state is always enabled regardless of configuration. |
|||
1G SFP |
Disabled |
|||
10GBASE-T |
Enabled. The operational state is always enabled regardless of configuration. |
|||
10G DAC |
Not Supported |
|||
10G SFP+ |
Port type |
Model |
Transceiver type |
Auto-Negotiation |
FEC |
---|---|---|---|---|
10/100/1000Base-T |
5420F-24T-4XE 5420F-24P-4XE 5420F-48T-4XE 5420F-48P-4XE 5420F-48P-4XL 5420F-8W-16P-4XE 5420F-16W-32P-4XE 5420M-16MW-32P-4YE 5420M-24W-4YE 5420M-48W-4YE 5420M-24T-4YE 5420M-48T-4YE 5420M-16MW-32P-4YE |
Enabled |
||
100M/1/2.5Gbps Copper |
5420F-16MW-32P-4XE 5420M-16MW-32P-4YE |
Enabled |
||
SFP |
5420F-24S-4XE |
100BASE-FX |
||
1GBASE-T |
Enabled |
|||
1G SFP |
Enabled |
|||
SFP+ |
5420F-24T-4XE 5420F-24P-4XE 5420F-48T-4XE 5420F-48P-4XE 5420F-48P-4XL 5420F-8W-16P-4XE 5420F-16W-32P-4XE 5420F-16MW-32P-4XE 5420F-24S-4XE |
1GBASE-T |
Enabled. The operational state is always enabled regardless of configuration. |
|
1G SFP |
Disabled |
|||
10GBASE-T |
Enabled. The operational state is always enabled regardless of configuration. |
|||
10G DAC |
Disabled |
|||
10G SFP+ |
||||
SFP28 |
5420M-24W-4YE 5420M-48W-4YE 5420M-24T-4YE 5420M-48T-4YE 5420M-16MW-32P-4YE |
1GBASE-T |
Enabled. The operational state is always enabled regardless of configuration. |
|
1G SFP |
Disabled |
|||
10GBASE-T |
Enabled. The operational state is always enabled regardless of configuration. |
|||
10G DAC |
Disabled |
|||
10G SFP+ |
||||
25G DAC |
Enabled |
FEC is negotiated requesting CL108 |
||
25G AOC |
FEC auto:CL108 |
|||
25G SFP28 |
FEC auto:CL108 |
|||
SFP-DD |
5420F-24T-4XE 5420F-24P-4XE 5420F-48T-4XE 5420F-48P-4XE 5420F-48P-4XL 5420F-8W-16P-4XE 5420F-16W-32P-4XE 5420F-24S-4XE 5420M-16MW-32P-4YE 5420M-24W-4YE 5420M-48W-4YE 5420M-24T-4YE 5420M-48T-4YE 5420M-16MW-32P-4YE |
1GBASE-T |
Enabled. The operational state is always enabled regardless of configuration. |
|
1G SFP |
Disabled |
|||
10GBASE-T |
Enabled. The operational state is always enabled regardless of configuration. |
|||
10G DAC |
Disabled | |||
10G SFP+ |
Port type |
Model |
Transceiver type |
Auto-Negotiation |
FEC |
---|---|---|---|---|
1GBASE-T |
5520-24T 5520-48T 5520-24W 5520-48W |
Enabled |
||
100M/1/2.5/5 Gbps Copper |
5520-12MW-36W |
Enabled |
||
SFP |
5520-48SE |
100BASE-FX |
||
1GBASE-T |
Enabled The operational state is always enabled regardless of configuration. |
|||
1G SFP |
Enabled |
|||
SFP+ |
5520-24X 5520-VIM-4X and 5520-VIM-4XE |
1GBASE-T |
Enabled The operational state is always enabled regardless of configuration. |
|
1G SFP |
Disabled |
|||
10GBASE-T |
Enabled The operational state is always enabled regardless of configuration. |
|||
10G DAC |
Disabled |
|||
10G SFP+ |
||||
SFP28 |
5520-VIM-4YE |
10GBASE-T |
Enabled The operational state is always enabled regardless of configuration. |
|
10G DAC |
Disabled |
|||
10G SFP+ |
||||
25G DAC |
Enabled |
FEC is negotiated requesting CL108. |
||
25G AOC |
FEC auto: CL108 |
|||
25G SFP28 |
FEC auto: CL108 |
Port type |
Model |
Transceiver type |
Auto-Negotiation |
FEC |
|
---|---|---|---|---|---|
100 M/1/2.5/5 Gbps Copper |
5720-24MW 5720-48MW |
Enabled |
|||
100 M/1/2.5/5/10 Gbps Copper |
5720-24MXW 5720-48MXW |
Enabled |
|||
QSFP28 |
5720-24MW 5720-48MW 5720-24MXW 5720-48MXW |
40G DAC |
Enabled |
||
40G AOC |
|||||
40G QSFP+ |
|||||
100G DAC |
Enabled |
FEC is negotiated requesting CL91 |
|||
100G AOC |
FEC auto: CL91 |
||||
100G QSFP28 |
FEC auto: CL91 |
||||
SFP28 |
5720-VIM-6YE |
1GBASE-T |
Enabled The operational state is always enabled regardless of configuration. |
||
1G SFP |
Disabled |
||||
10GBASE-T |
Enabled The operational state is always enabled regardless of configuration. |
||||
10G DAC |
Disabled |
||||
10G AOC | |||||
10G SFP+ | |||||
25G DAC |
Enabled |
FEC is negotiated requesting CL108 |
|||
25G AOC |
FEC auto:CL108 |
||||
25 SFP28 |
FEC auto:CL108 |
||||
QSFP28 |
with QSFP adapter |
5720-VIM-2CE |
10GBASE-T |
Enabled The operational state is always enabled regardless of configuration. |
|
10G DAC |
Disabled |
||||
10G AOC |
|||||
10G SFP+ |
|||||
25G DAC |
Enabled |
FEC is negotiated requesting CL108 |
|||
25G AOC |
FEC auto:CL108 |
||||
25G SFP28 |
FEC auto:CL108 |
||||
40G DAC |
Enabled |
||||
40G AOC |
|||||
40G QSFP+ |
|||||
100G DAC |
Enabled |
FEC is negotiated requesting CL91 |
|||
100G AOC |
FEC auto:CL91 |
||||
100G QSFP28 |
FEC auto:CL91 |
Port type |
Model |
Transceiver type |
Auto-Negotiation |
FEC |
|
---|---|---|---|---|---|
10GBase-T |
7520-48XT-6C |
Enabled 1G, 10G |
|||
SFP28 |
7520-48Y-8C 7520-48YE-8CE |
1GBASE-T Note: 7520-48Y-8C only
|
Enabled The operational state is always enabled regardless of configuration. |
||
1G SFP Note: 7520-48Y-8C only
|
Not Supported |
||||
10GBASE-T |
Enabled The operational state is always enabled regardless of configuration. |
||||
10G DAC |
Not Supported |
||||
10G SR/AOC | |||||
25G DAC |
Enabled |
Auto-Negotiation |
|||
25G SR/AOC |
CL108 |
||||
QSFP28 |
7520-48XT-6C 7520-48Y-8C 7520-48YE-8CE |
40G DAC |
Enabled |
||
40G SR/AOC |
|||||
100G DAC |
Enabled |
Auto-Negotiation |
|||
100G SR/AOC |
CL91 |
||||
QSFP28 |
Channelized |
7520-48XT-6C 7520-48Y-8C 7520-48YE-8CE |
40G DAC: 4x10G |
Enabled |
|
40G SR/AOC: 4x10G |
|||||
100G DAC: 4x25 |
Enabled |
Auto-Negotiation |
|||
100G SR/AOC: 4x25 |
CL108 |
||||
QSFP28 |
with QSFP adapter |
7520-48XT-6C 7520-48Y-8C 7520-48YE-8CE |
1G BASE-T Note: 7520-48XT-6C and 7520-48Y-8C only
|
Enabled The operational state is always enabled regardless of configuration. |
|
1G SFP Note: 7520-48XT-6C and 7520-48Y-8C only
|
Not Supported |
||||
10GBASE-T |
Enabled The operational state is always enabled regardless of configuration. |
||||
10G DAC |
Not Supported |
||||
10G SR/AOC |
|||||
25G DAC |
Enabled |
Auto-Negotiation |
|||
25G SR/AOC |
CL108 |
Port type |
Model |
Transceiver type |
Auto-Negotiation |
FEC |
|
---|---|---|---|---|---|
QSFP28 |
7720-32C |
40G DAC |
Enabled |
||
40G SR/AOC |
|||||
100G DAC |
Enabled |
Auto-Negotiation |
|||
100G SR/AOC |
CL91 |
||||
QSFP28 |
Channelized |
7720-32C |
40G DAC: 4x10G |
Enabled |
|
40G SR/AOC: 4x10G |
|||||
100G DAC: 4x25 |
Enabled |
Auto-Negotiation |
|||
100G SR/AOC: 4x25 |
CL108 |
||||
QSFP28 |
with QSFP adapter |
7720-32C |
1G BASE-T |
Enabled The operational state is always enabled regardless of configuration. |
|
1G SFP |
Not Supported |
||||
10GBASE-T |
Enabled The operational state is always enabled regardless of configuration. |
||||
10G DAC |
Not Supported |
||||
10G SR/AOC |
|||||
25G DAC |
Enabled |
Auto-Negotiation |
|||
25G SR/AOC |
CL108 |