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Lantronix ePack Software
Software Release Notes
Copyright 2020 (c) Lantronix Inc.
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RELEASE SUMMARY
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Version:      3.20.0.0R5
Release Date: February 25, 2026

Previous version was 3.19.0.0R4 on December 20, 2024

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RELEASE STATUS
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  Alpha         ( )
  Beta          ( )
  Supplemental  ( )
  Production    (x)
  Test          ( )

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PRODUCTS SUPPORTED
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E21x
E22x

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NEW FEATURES
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1) EPKN-1371 : WiFi on/off via SMS 
2) EPKN-1377 : Add a new feature BO variables (Write to reclosure)
3) EPKN-1414 : EN 18031 Compliance
4) EPKN-1520 : CVE-2023-48795: SSH Terrapin Prefix Truncation Weakness
5) EPKN-1528 : IPSEC with IPV6
6) EPKN-1541 : CLONE - DO toggle from off to on and On to Off via single SMS in E214

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Bug Fixes
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1) EPKN-1287 : DNP3 to IEC104 protocol converter test in EVN's LBS device
2) EPKN-1289 : CLONE - Modbus TCP to DNP3 converter
3) EPKN-1331 : IEC101-104 IOA filtering
4) EPKN-1332 : E214 backup changes the MAC address.
5) EPKN-1369 : Add support for all meters on Web UI
6) EPKN-1376 : IOA invert and specific requirement to EVN's recloser
7) EPKN-1413 : IPv4 address and DNS do not work when SIM card is getting IPv6 address
8) EPKN-1417 : Operate 2 BO on DNP3 from 1 DP at IEC104 end

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REMOVED FEATURES
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KNOWN LIMITATIONS & ISSUES
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1) .OVPN config file does not upload correctly intermittently.
2) SMS sending on does not work on VoLTE network on some variants.(Patch is available for SMS)
3) Modbus Azure data greater than 256KB cannot be sent due to azure limitation.
5) Use of single SIM in secondary slot delay cellular connectivity.(Please use primary SIM slot in case
   of single SIM is used)
6) User may receive three sms insted of one.
7) In IP passthrough, connected client will need to re-send new DHCP request when cellular IP changes. 
8) In Power Saving mode, current reaches upto 110mA.
9) In ConsoleFlow, To update telemetry data may take additional time required(approx. 30 sec) to fetch and publish the data.
10) modbusmaster_enthu, modbusmaster_scada_sms IPK is absent for E21X.(Please use E22X ipk software link)
11) In E214#38S#1, cellular interface page not showing IPV6 address.
12) For cellular protocol ipv6 is not available.
13) For IEC 104 Multi-master application, M_ST_TB_1, M_BO_TB_1, M_IT_TB_1, M_EP_TA_1, 
    M_EP_TB_1, M_ME_TE_1 and M_DP_TB_1 data types are supported but not verified.
14) For IEC 104 Multi-master application, For data type M_PS_NA_1, Slave values not populated correctly on Mqtt server.
15) WAN6 is not working when XLAT interface is up.

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WARNINGS
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1) Setting do not be preserved while upgragrading from 2.x to 3.x release.
2) Configuration settings from 2.x will not work on 3.x.