# \#netos **URL:** https://forums.digi.com/tag/netos/36.md [Latest](https://forums.digi.com/latest.md) · [Categories](https://forums.digi.com/categories.md) · [Tags](https://forums.digi.com/tags.md) --- ## [Connect ME 9210 -C ethernet only works after xmodem recovery?](https://forums.digi.com/t/connect-me-9210-c-ethernet-only-works-after-xmodem-recovery/38612)
**Author:** [@wtech](https://forums.digi.com/u/wtech)\ **Replies:** 3\ **Last updated:** [July 30, 2026, 3:24pm UTC](https://forums.digi.com/t/connect-me-9210-c-ethernet-only-works-after-xmodem-recovery/38612 "2026-07-30T15:24:13Z")
Please help! PN:(1P) 50001528-36 4/8 -C datecode 2517 Digi Connect ME 9210 -C hardware. Recently programmed 50+ devices, sent them off to be assembled on our PCB, and on return five or six fail with no ethernet link. I… --- ## [New Connect ME 9210 -C modules won't run our image.bin application!](https://forums.digi.com/t/new-connect-me-9210-c-modules-wont-run-our-image-bin-application/26643)
**Author:** [@wtech](https://forums.digi.com/u/wtech)\ **Replies:** 13\ **Last updated:** [June 1, 2026, 1:53pm UTC](https://forums.digi.com/t/new-connect-me-9210-c-modules-wont-run-our-image-bin-application/26643 "2026-06-01T13:53:49Z")
What’s broken with the latest Connect ME 9210 -C modules (DC-ME-Y402-C )? I used the default factory ftp server application to load our image.bin. The file was accepted and appears to have been programmed into flash. Bu… --- ## [Where to get a Net+OS 7.5.2 Setup Key?](https://forums.digi.com/t/where-to-get-a-net-os-7-5-2-setup-key/32541)
**Author:** [@llm](https://forums.digi.com/u/llm)\ **Replies:** 4\ **Last updated:** [September 23, 2024, 5:26pm UTC](https://forums.digi.com/t/where-to-get-a-net-os-7-5-2-setup-key/32541 "2024-09-23T17:26:00Z")
thanks to the support - i got get the latest Net+OS 6.3.x and 7.5.x version from ftp1.digi.com - /support/images/connect/devkit/iso/ + passwords to revitalize a legacy project (the 6.3 part of the project works now and … --- ## [New Connect ME 9210 -C DC-ME-Y402-C PN Net+OS 7.5.2.2 custom project](https://forums.digi.com/t/new-connect-me-9210-c-dc-me-y402-c-pn-net-os-7-5-2-2-custom-project/28333)
**Author:** [@Aby](https://forums.digi.com/u/Aby)\ **Replies:** 2\ **Last updated:** [August 1, 2024, 7:46am UTC](https://forums.digi.com/t/new-connect-me-9210-c-dc-me-y402-c-pn-net-os-7-5-2-2-custom-project/28333 "2024-08-01T07:46:14Z")
Hi All, I am very new to this, I face an issue as some new Ethernet modules are not able to flash the existing image.bin file. \[New Connect ME 9210 -C DC-ME-Y402-C PN:(1P)50001528-36 modules won’t run our NET+OS image.… --- ## [Converting a Digi 9210 module(DC-ME-Y413-LX) from Linux to Net+OS](https://forums.digi.com/t/converting-a-digi-9210-module-dc-me-y413-lx-from-linux-to-net-os/23079)
**Author:** [@opriebe](https://forums.digi.com/u/opriebe)\ **Replies:** 1\ **Last updated:** [June 15, 2022, 6:54pm UTC](https://forums.digi.com/t/converting-a-digi-9210-module-dc-me-y413-lx-from-linux-to-net-os/23079 "2022-06-15T18:54:57Z")
Hello, I need to convert a 9210 module (DC-ME-Y413-LX) from Linux to Net+OS. I saw some hints how to do this in this forum. But before I try that on a DC-ME-Y413-LX, I’d like figure out if it works using a Digi 9210 ME… --- ## [DHCP fallback address](https://forums.digi.com/t/dhcp-fallback-address/22981)
**Author:** [@kdemets](https://forums.digi.com/u/kdemets)\ **Replies:** 1\ **Last updated:** [March 2, 2022, 8:11am UTC](https://forums.digi.com/t/dhcp-fallback-address/22981 "2022-03-02T08:11:04Z")
We configured our ConnectME/ConnectME-9210 to retrieve an network address from an external DHCP server. When the server is not available, we want the module to have a fixed IP address. Where/how can we define this fallba… --- ## [DHCP Lease time expiration](https://forums.digi.com/t/dhcp-lease-time-expiration/22980)
**Author:** [@kdemets](https://forums.digi.com/u/kdemets)\ **Replies:** 1\ **Last updated:** [March 1, 2022, 4:59pm UTC](https://forums.digi.com/t/dhcp-lease-time-expiration/22980 "2022-03-01T16:59:59Z")
We use DHPC to obtain a network address on ConnectME and ConnectME-9210 devices running on NetOS-7.5. We observe that when the lease time of the DHCP server is 2 days or more, NetOs does not respond properly and becomes … --- ## [Linux to Net OS in a Digi Connect ME 9210](https://forums.digi.com/t/linux-to-net-os-in-a-digi-connect-me-9210/22959)
**Author:** [@budzene](https://forums.digi.com/u/budzene)\ **Replies:** 1\ **Last updated:** [February 18, 2022, 2:46pm UTC](https://forums.digi.com/t/linux-to-net-os-in-a-digi-connect-me-9210/22959 "2022-02-18T14:46:55Z")
I have some Digi Connect ME 9210 that has Linux and I need to convert them to NET OS. Is this possible? If so what are the steps and or equipment needed. Thank you, Dustin --- ## [Does NetOS can sent UDP packet to other subnet](https://forums.digi.com/t/does-netos-can-sent-udp-packet-to-other-subnet/22641)
**Author:** [@jiaxins](https://forums.digi.com/u/jiaxins)\ **Replies:** 1\ **Last updated:** [September 13, 2021, 2:44pm UTC](https://forums.digi.com/t/does-netos-can-sent-udp-packet-to-other-subnet/22641 "2021-09-13T14:44:22Z")
Hi, I’m working on connectme9210 with NETOS 7.5.2. I need send UDP packet to other sub net, like send udp packet from 192.168.0.x to 107.125.1.x, but it fail. Does NetOS can sent UDP packet to other sub net? If it c… --- ## [Unknown characters in serial I/O when telnet session is opened](https://forums.digi.com/t/unknown-characters-in-serial-i-o-when-telnet-session-is-opened/22440)
**Author:** [@phy123](https://forums.digi.com/u/phy123)\ **Replies:** 2\ **Last updated:** [May 27, 2021, 9:05am UTC](https://forums.digi.com/t/unknown-characters-in-serial-i-o-when-telnet-session-is-opened/22440 "2021-05-27T09:05:40Z")
I have an intention make a simple serial to TCP converter which reads values from a serial port connected A/D converter. I have succesfully followed the new project wizard to implement serial to TCP/Serial transfer servi… --- ## [9P9215 Net+OS UDP Receive](https://forums.digi.com/t/9p9215-net-os-udp-receive/22423)
**Author:** [@steved2](https://forums.digi.com/u/steved2)\ **Replies:** 2\ **Last updated:** [May 19, 2021, 2:39am UTC](https://forums.digi.com/t/9p9215-net-os-udp-receive/22423 "2021-05-19T02:39:17Z")
Embarrasingly simple requirement that I can’t make work! Using Net+OS patched to a few months ago, on a 9P-9215. I want to have a single socket set up to receive all UDP packets with a specific port number. All the non-D… --- ## [Retrieve MAC address](https://forums.digi.com/t/retrieve-mac-address/22213)
**Author:** [@kdemets](https://forums.digi.com/u/kdemets)\ **Replies:** 1\ **Last updated:** [February 18, 2021, 1:46am UTC](https://forums.digi.com/t/retrieve-mac-address/22213 "2021-02-18T01:46:32Z")
Hi, Is there a way to read the pre-configured MAC address of a ConnectME/ConnectME9210 device from within NetOS7.5? Thanks for your reply, Kris --- ## [Net+OS CC9P-9215 I2C lockup after error](https://forums.digi.com/t/net-os-cc9p-9215-i2c-lockup-after-error/21993)
**Author:** [@steved2](https://forums.digi.com/u/steved2)\ **Replies:** 0\ **Last updated:** [November 13, 2020, 11:29am UTC](https://forums.digi.com/t/net-os-cc9p-9215-i2c-lockup-after-error/21993 "2020-11-13T11:29:19Z")
I’m communicating with a number of devices on I2C, which is fine as long as all are present. However if a device is missing for any reason, the communication fails, and the bus locks up such that its no longer possible … --- ## [UDPDB Not working](https://forums.digi.com/t/udpdb-not-working/21972)
**Author:** [@kdemets](https://forums.digi.com/u/kdemets)\ **Replies:** 2\ **Last updated:** [November 10, 2020, 9:24am UTC](https://forums.digi.com/t/udpdb-not-working/21972 "2020-11-10T09:24:20Z")
Hi, In debug mode I want to log events using the UDP Debug feature. For this I modified the following in #define BSP\_STDIO\_PORT “/udpdb/0” #define BSP\_UDP\_DEBUG\_PORT 12345 in #define BSP\_INCLUDE\_UDP\_DE… --- ## [compiling error after installing tpc/ip update 752](https://forums.digi.com/t/compiling-error-after-installing-tpc-ip-update-752/21971)
**Author:** [@fvallin](https://forums.digi.com/u/fvallin)\ **Replies:** 1\ **Last updated:** [November 6, 2020, 8:49am UTC](https://forums.digi.com/t/compiling-error-after-installing-tpc-ip-update-752/21971 "2020-11-06T08:49:21Z")
After I installed tcp/ip update 752 (with other required updates), I get the following error when compiling: bsp/7\_5/connectme9210/lib/libbsp.a(aes\_openssl.o): In function aes\_dma\_set\_encrypt\_key': ./devices/ns9xxx/ns92… --- ## [getting error compiling with connect ME 9210](https://forums.digi.com/t/getting-error-compiling-with-connect-me-9210/21962)
**Author:** [@fvallin](https://forums.digi.com/u/fvallin)\ **Replies:** 0\ **Last updated:** [November 4, 2020, 4:31pm UTC](https://forums.digi.com/t/getting-error-compiling-with-connect-me-9210/21962 "2020-11-04T16:31:51Z")
I use NET+OS 7.5.2 and recently installed the ripple20 patch. Now I get the following error when compiling: collect2: ld returned 1 exit status make: \*\*\* \[image.elf\] Error 1 make: Target \`all’ not remade because of e… --- ## [Digi Connect ME - new batch is different](https://forums.digi.com/t/digi-connect-me-new-batch-is-different/21387)
**Author:** [@illishar](https://forums.digi.com/u/illishar)\ **Replies:** 2\ **Last updated:** [May 21, 2020, 7:10pm UTC](https://forums.digi.com/t/digi-connect-me-new-batch-is-different/21387 "2020-05-21T19:10:08Z")
Hello, We’ve just received a new batch of Digi Connect ME. And our usual upload procedure doesn’t work. We’re using a console program called “netosprog.exe” to search out the devices. (That doesn’t work.) We’re using … --- ## [network lockup caused by "Mobile IP Advertisement"](https://forums.digi.com/t/network-lockup-caused-by-mobile-ip-advertisement/21104)
**Author:** [@steved2](https://forums.digi.com/u/steved2)\ **Replies:** 2\ **Last updated:** [February 13, 2020, 2:54am UTC](https://forums.digi.com/t/network-lockup-caused-by-mobile-ip-advertisement/21104 "2020-02-13T02:54:38Z")
Using NetOS 7.5 patched to latest, on CC-9P Communicating with a host computer on a different subnet, via one or more Cisco switches, using TCP/IP. After about 7.5 minutes, the device locks up. (Other units on the same… --- ## [Digi Module connect me 9210 Modbus (RTU/TCP)](https://forums.digi.com/t/digi-module-connect-me-9210-modbus-rtu-tcp/16204)
**Author:** [@mhdazeem](https://forums.digi.com/u/mhdazeem)\ **Replies:** 9\ **Last updated:** [January 20, 2020, 9:11am UTC](https://forums.digi.com/t/digi-module-connect-me-9210-modbus-rtu-tcp/16204 "2020-01-20T09:11:46Z")
Well Its not a question. I have successfully implemented Modbus RTU and Modbus TCP (Master/Slave) in Digi Module Connect Me 9210 and its working Fine. The kind of work which I have done so far is Protocol Conversion bet… --- ## [Error Compiling Digi ESP NET+OS with Connect ME 9210](https://forums.digi.com/t/error-compiling-digi-esp-net-os-with-connect-me-9210/21044)
**Author:** [@budzene](https://forums.digi.com/u/budzene)\ **Replies:** 1\ **Last updated:** [January 17, 2020, 7:50pm UTC](https://forums.digi.com/t/error-compiling-digi-esp-net-os-with-connect-me-9210/21044 "2020-01-17T19:50:19Z")
I am running Digi ESP NET+OS 7.5 and I am getting a compile error: Type undefined reference to \`FCRenameFile’ \[/mnt/cdrom/scm/TIS\_Projects/Micro Ethernet/SoftwareEngineering/Digi\_SRC/CME9210\_Ethernet/Debug/…/FTPInterfac… --- ## [How to verify images?](https://forums.digi.com/t/how-to-verify-images/20822)
**Author:** [@WMiller](https://forums.digi.com/u/WMiller)\ **Replies:** 3\ **Last updated:** [October 28, 2019, 12:33pm UTC](https://forums.digi.com/t/how-to-verify-images/20822 "2019-10-28T12:33:34Z")
I am using Digi ESP for NET+OS (7.5.2) to build images for Connect ME 2MB modules. I have a requirement that I need to be able to verify the image for the customer. I would like to generate and embed a CRC in the image… --- ## [Terminating and restarting thread that is mid-write to RAM0 filesystem has issues](https://forums.digi.com/t/terminating-and-restarting-thread-that-is-mid-write-to-ram0-filesystem-has-issues/20832)
**Author:** [@ebernste1234](https://forums.digi.com/u/ebernste1234)\ **Replies:** 0\ **Last updated:** [October 18, 2019, 2:21pm UTC](https://forums.digi.com/t/terminating-and-restarting-thread-that-is-mid-write-to-ram0-filesystem-has-issues/20832 "2019-10-18T14:21:51Z")
Using NET+OS with ConnectME part. I have a thread that is using fopen, fwrite, fseek. I terminate and restart the thread. Once I do that, the new thread deletes the file from RAM0 (using the old filepointer). Once it sta… --- ## [How to change socket connect function timeout value?](https://forums.digi.com/t/how-to-change-socket-connect-function-timeout-value/20646)
**Author:** [@mplinsen](https://forums.digi.com/u/mplinsen)\ **Replies:** 1\ **Last updated:** [July 21, 2019, 8:08pm UTC](https://forums.digi.com/t/how-to-change-socket-connect-function-timeout-value/20646 "2019-07-21T20:08:10Z")
How do I change how long the socket API “connect” function waits before failing with a timeout error if the server it is attempting to connect to is not responding at all (i.e. not responding to ARPs)? Currently, it wai… --- ## [SNMP MIB-II system group does not persist after rebooting module](https://forums.digi.com/t/snmp-mib-ii-system-group-does-not-persist-after-rebooting-module/20478)
**Author:** [@areis](https://forums.digi.com/u/areis)\ **Replies:** 0\ **Last updated:** [May 9, 2019, 3:42pm UTC](https://forums.digi.com/t/snmp-mib-ii-system-group-does-not-persist-after-rebooting-module/20478 "2019-05-09T15:42:54Z")
The standard SNMP agent initialization already have many of MIB-II objects available right out-of-the-box, however there are objects in system group I need to save their values to a persistent memory. Is there any callba… --- ## [Digi Connect ME 9210 SNTP timing accuracy](https://forums.digi.com/t/digi-connect-me-9210-sntp-timing-accuracy/20382)
**Author:** [@ouyangxinke](https://forums.digi.com/u/ouyangxinke)\ **Replies:** 0\ **Last updated:** [March 28, 2019, 9:53am UTC](https://forums.digi.com/t/digi-connect-me-9210-sntp-timing-accuracy/20382 "2019-03-28T09:53:32Z")
hello all, I’m using Digi ESP NET+OS and Digi Connect ME 9210. Now I have some questions about the development board and SNTP. I’m using part of the NET+OS Sample Project - SNTP time sample and want to know: What’s S… --- ## [Errors with Cisco Nexus switch](https://forums.digi.com/t/errors-with-cisco-nexus-switch/20269)
**Author:** [@steved2](https://forums.digi.com/u/steved2)\ **Replies:** 1\ **Last updated:** [February 20, 2019, 1:12pm UTC](https://forums.digi.com/t/errors-with-cisco-nexus-switch/20269 "2019-02-20T13:12:21Z")
We have a customer using multiple units containing Connectcore 9215 and ME9210 modules; all satisfactory so far. Software is Net+O/S 7.5, generally no more than 2 years old. They are now moving to Cisco Nexus switches, … --- ## [How to debug random invalid memory access in NETOS?](https://forums.digi.com/t/how-to-debug-random-invalid-memory-access-in-netos/20207)
**Author:** [@areis](https://forums.digi.com/u/areis)\ **Replies:** 1\ **Last updated:** [January 29, 2019, 11:49am UTC](https://forums.digi.com/t/how-to-debug-random-invalid-memory-access-in-netos/20207 "2019-01-29T11:49:37Z")
Hi, After a while running in production environment some systems are calling the exception handler customizeErrorHandler() in file src\\customize\\errhndlr.c. I could not reproduce any scenario, but it happened once when … --- ## [Downoad net+os](https://forums.digi.com/t/downoad-net-os/20180)
**Author:** [@gavello](https://forums.digi.com/u/gavello)\ **Replies:** 1\ **Last updated:** [January 19, 2019, 11:55pm UTC](https://forums.digi.com/t/downoad-net-os/20180 "2019-01-19T23:55:08Z")
Is there a link to download NET+OS IDE?? --- ## [regex NET+OS](https://forums.digi.com/t/regex-net-os/20079)
**Author:** [@gavello](https://forums.digi.com/u/gavello)\ **Replies:** 1\ **Last updated:** [December 12, 2018, 10:03am UTC](https://forums.digi.com/t/regex-net-os/20079 "2018-12-12T10:03:12Z")
It looks like NET OS does not come with a regex library. Does anyone uses a regex library with NET OS that can suggest? --- ## [NET+Works 6.3 compilation on Latest Windows environment ?](https://forums.digi.com/t/net-works-6-3-compilation-on-latest-windows-environment/19874)
**Author:** [@vijay.bhatt](https://forums.digi.com/u/vijay.bhatt)\ **Replies:** 1\ **Last updated:** [September 17, 2018, 2:27pm UTC](https://forums.digi.com/t/net-works-6-3-compilation-on-latest-windows-environment/19874 "2018-09-17T14:27:52Z")
I am Vijay and have query regarding the build environment for the Gateway Product with the below details. Platform connectem CHIP=NS7520 PROCESSOR=arm7 The OS used is NET+Works 6.3 with GNU Tools Microcross GNU X-Tool… [Next page](https://forums.digi.com/tag/netos/36.md?match_all_tags=true&page=1&tags%5B%5D=netos)