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Huawei OSN3500 device EFS0 single boards N1_N2 and N4 What are the differences Can you replace the
| 2025-11-21|Back


Huawei OSN3500 device veneer has three functional versions, N1, N2 and N4, what are the differences and can they be replaced?

1、 Applicable equipment

Product

OSN 7500

OSN 3500

OSN 3500T

OSN 2500

OSN 2500 REG

OSN 1500A

OSN 1500B

N1EFS0

N

N

Y

N1EFS0

Y

Y

Y

N2EFS0

N

Y

Y

Y

Y

Y

Y

N4EFS0

N

N4EFS0

Y

N4EFS0

Y

Y

Y

2. Function Comparison

N1EFS0

N2EFS0

N4EFS0

Substitutability

No

Can replace N1 version

Can replace N2 and N1 versions

Maximum uplink bandwidth

622Mbit/s

1.25Gbit/s

1.25Gbit/s

Number of bindable VCTRUNKs

12

24

24

Support soft reset

No

No

Upgrade to R6 to support soft reset

Matching Host Version

R1

R2 implementation (in R2 and later versions of the host can be configured with logic board type SSN2EFS0, SSN1EFS0, in R1 version of the host, the logic board type can be configured as SSN1EFS0)

R6 implementation (in R6 and later host versions you can configure the logic board type as SSN4EFS0, SSN1EFS0, SSN2EFS0, in pre-R6 hosts, the logic board type can be configured as SSN1EFS0, SSN2EFS0)

Support for service types based on flow categorization

PORT,

PORT+VLAN ID,

PORT+VLAN PRI

PORT,

PORT+VLAN ID

PORT+VLAN ID+VLAN PRI

PORT,

PORT+VLAN ID

PORT+VLAN ID+VLAN PRI

LCAS Versions Supported

LCAS V1

LCAS V1

LCAS V2

Support pure bridge function

No

No

No

Description:

1, Huawei N4EFS0 single board when N1, N2EFS0 single board use the host query can not be some single board alarms, but the single board STAT or SRV lights will be lit to indicate that the single board exists alarms, the reason is that the N4EFS0 single board added some new alarms, but as the old single board use, the old host did not register the new alarms, so these alarms will not be reported. These alarms are mainly: LCAS_PLCT, LCAS_TLCT, LCAS_PLCR, LCAS_TLCR, LCAS_FOPT, LCAS_FOPR, LAG_FAIL, and so on.

2. The version of OSN3500 N2EFS series single board that supports multi-board ID is 2.14, and only this version and later versions can be used as spare parts for N1EFS single boards.

3、When making single board substitution, you need to consider whether to configure COS or not, if the configuration of COS will lead to the unavailability of COS, you need to delete the COS configuration before substitution and reconfigure COS after substitution.

4. When upgrading, if N4EFS0 is configured as N1EFS0 or N2EFS0, when loading the single-board software using the analog package, it will be loaded in accordance with the type of single-board that the current single-board is configured as (N1EFS0 or N2EFS0), so you need to manually remove the selection of this single-board, and then upgrade this single-board using the board-level loading after completing the analog package upgrade.



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Email:info@opticaltrans.com
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