ECS4120 series V1.2.2.30 firmware release note

ENGINEERING RELEASE NOTES

1/2010 Subject to Change Without Notice Page: 25 of 25

KNOWN RESTRICITIONS AND LIMITATIONS:

Support one group for PORT MIRROR, and support one group for RSPAN. PORT MIRROR

and RSPAN is mutually exclusive.

SFP(ECS4120-28F) model, there is no SFP information from port 1 to port

24.

not support sfp-preferred-auto in ECS4120 28F

IGMP group is 255 but ASIC vendor data sheet described is 256 because 1

group is reserved by default.

efm oam remote-loopback test but not receive the loopback test packet when

spanning tree status is block.

10G port with ET4502-DAC-5M and 3M link DOWN with 10Gbps, 1M do not

have this issue

Due to HW limitation, ERPS is work as excepted on ECS4120-28FV2 or

ECS4120-28FV2-I for fail recovery time ([ITU-T G.808.1]) for a failure on a ring

link shall be less than 50 ms). It can not work on the copper port. It also can not

support on the SFP module that do not support the RX Loss signial, and the

DAC cable also can not be supported.

Due to ASIC limitation, mac-vlan don't support mask option

ES4528BH2-HPoE-0815-EC-00327

The browser need IE 9+, Chrome 54+, Firefox 52+ or Opera 41+ for this case:

WEB-1QVLAN: The behavior in deleting VLANs from WEB encounter errors

ES4528BH2-HPoE-0815-EC-00741

avoid new HW to load the old runtime image that is not supported new

board id, (v1.2.2.1 can not download the image version less than v1.0.2.45)

Dying gasp HW supported on ECS4120-28Fv2-I (newLayout, stacking) bid