# \#mac **URL:** https://forums.digi.com/tag/mac/447.md [Latest](https://forums.digi.com/latest.md) · [Categories](https://forums.digi.com/categories.md) · [Tags](https://forums.digi.com/tags.md) --- ## [What function does the MaxStream fulfill in MAC mode?](https://forums.digi.com/t/what-function-does-the-maxstream-fulfill-in-mac-mode/19279)
**Author:** [@vesteban](https://forums.digi.com/u/vesteban)\ **Replies:** 1\ **Last updated:** [June 30, 2022, 4:17pm UTC](https://forums.digi.com/t/what-function-does-the-maxstream-fulfill-in-mac-mode/19279 "2022-06-30T16:17:46Z")
What function does the MaxStream fulfill in MAC mode? For example when MM is 0 = 802.15.4 + MaxStream header w / ACKS. --- ## [Transmit status results in MAC ACK Failure in XBee XB8X](https://forums.digi.com/t/transmit-status-results-in-mac-ack-failure-in-xbee-xb8x/22771)
**Author:** [@lorant124](https://forums.digi.com/u/lorant124)\ **Replies:** 1\ **Last updated:** [November 9, 2021, 11:14am UTC](https://forums.digi.com/t/transmit-status-results-in-mac-ack-failure-in-xbee-xb8x/22771 "2021-11-09T11:14:30Z")
I’m using two XBee XB8X modules, API mode. I periodically check Extended Transmit Status - 0x8B for answer 0x25 (no route found). I often get back MAC ACK Failure answer, but even if connection is good. After 0x01 statu… --- ## [WR31 MAC Filtering - filters all traffic on ETH1 including the allowed list](https://forums.digi.com/t/wr31-mac-filtering-filters-all-traffic-on-eth1-including-the-allowed-list/21814)
**Author:** [@matthew.r.hannon](https://forums.digi.com/u/matthew.r.hannon)\ **Replies:** 2\ **Last updated:** [October 28, 2020, 2:47pm UTC](https://forums.digi.com/t/wr31-mac-filtering-filters-all-traffic-on-eth1-including-the-allowed-list/21814 "2020-10-28T14:47:30Z")
I have a WR31. I am trying to get MAC filtering to work such that only a single computer (w/ a known MAC address) can SSH to a device connected to ETHERNET 1 port. When I enable MAC filtering on ETH1 w/ the known MAC add… --- ## [MAC address for Xbee3 LTE-M module](https://forums.digi.com/t/mac-address-for-xbee3-lte-m-module/21800)
**Author:** [@rutvij.trivedi](https://forums.digi.com/u/rutvij.trivedi)\ **Replies:** 12\ **Last updated:** [September 25, 2020, 9:50am UTC](https://forums.digi.com/t/mac-address-for-xbee3-lte-m-module/21800 "2020-09-25T09:50:51Z")
Hi, I am working on Xbee3 LTE-M module. I want MAC address of this module but in finding so i was unable to get MAC address information in Revision history—90002253 guide. Currently I am using firmware version XBXC-11… --- ## [Can I make my network TDMA?](https://forums.digi.com/t/can-i-make-my-network-tdma/20257)
**Author:** [@zaidsakkijha](https://forums.digi.com/u/zaidsakkijha)\ **Replies:** 0\ **Last updated:** [February 19, 2019, 12:05pm UTC](https://forums.digi.com/t/can-i-make-my-network-tdma/20257 "2019-02-19T12:05:36Z")
Hey all, I have a network of Xbee pro 1s with DigiMesh Firmware working on CSMA which is the default MAC protocol I’m assuming. Is there a way that I can configure them to work on TDMA? Thanks, --- ## [Is there support for "MAC to IP mappings" in TransPort LR54?](https://forums.digi.com/t/is-there-support-for-mac-to-ip-mappings-in-transport-lr54/20201)
**Author:** [@juha.autioniemi](https://forums.digi.com/u/juha.autioniemi)\ **Replies:** 4\ **Last updated:** [January 29, 2019, 4:47pm UTC](https://forums.digi.com/t/is-there-support-for-mac-to-ip-mappings-in-transport-lr54/20201 "2019-01-29T16:47:39Z")
--- ## [XTCU can't discover local XBees](https://forums.digi.com/t/xtcu-cant-discover-local-xbees/18645)
**Author:** [@ewanderson](https://forums.digi.com/u/ewanderson)\ **Replies:** 8\ **Last updated:** [August 16, 2017, 2:25pm UTC](https://forums.digi.com/t/xtcu-cant-discover-local-xbees/18645 "2017-08-16T14:25:37Z")
I have 3 XBee-PRO 900HP modules and 3 grove development boards (I bought the DigiMesh kit). Initially XTCU was able to discover all of the modules when plugged into my usb ports, but then it stopped being able to discove… --- ## [Xbee s2c zigbee](https://forums.digi.com/t/xbee-s2c-zigbee/17528)
**Author:** [@longo92](https://forums.digi.com/u/longo92)\ **Replies:** 1\ **Last updated:** [October 14, 2016, 2:45pm UTC](https://forums.digi.com/t/xbee-s2c-zigbee/17528 "2016-10-14T14:45:56Z")
Hi, the xbee s2c with zigbee firmware uses slotted CSMA-CA(beacon enable) or uses unslotted CSMA-CA(no-beacon enable) in 802.15.4 MAC layer? Thanks --- ## [Does the WR11 XT have support for partial MAC filtering?](https://forums.digi.com/t/does-the-wr11-xt-have-support-for-partial-mac-filtering/17387)
**Author:** [@tjohnson](https://forums.digi.com/u/tjohnson)\ **Replies:** 4\ **Last updated:** [September 14, 2016, 11:23am UTC](https://forums.digi.com/t/does-the-wr11-xt-have-support-for-partial-mac-filtering/17387 "2016-09-14T11:23:43Z")
It won’t accept a partial mac (11:22:33) instead of a full MAC (11:22:33:44:55:66) in the web interface. --- ## [How to enable MAC Acknowledgement Request in Coordinator Realignment?](https://forums.digi.com/t/how-to-enable-mac-acknowledgement-request-in-coordinator-realignment/16692)
**Author:** [@pahanela](https://forums.digi.com/u/pahanela)\ **Replies:** 3\ **Last updated:** [May 2, 2016, 10:20am UTC](https://forums.digi.com/t/how-to-enable-mac-acknowledgement-request-in-coordinator-realignment/16692 "2016-05-02T10:20:29Z")
I am working on integration project where Digi XBee ZigBee S2C module is used as coordinator. Network consists only of 2 nodes, 3rd party end device and coordinator itself. I observe issue with re-joining after coordinat… --- ## [Digi ESP for Python - available for Mac OS X 10.11.1 (El Capitan)?](https://forums.digi.com/t/digi-esp-for-python-available-for-mac-os-x-10-11-1-el-capitan/16194)
**Author:** [@filipT](https://forums.digi.com/u/filipT)\ **Replies:** 0\ **Last updated:** [February 2, 2016, 9:26am UTC](https://forums.digi.com/t/digi-esp-for-python-available-for-mac-os-x-10-11-1-el-capitan/16194 "2016-02-02T09:26:40Z")
I downloaded the latest version for DigiESP for Python: Digi ESP for Python - Mac OS X (10.6) installer ver. 2.3.0 http://www.digi.com/support/productdetail?pid=3658&type=drivers When I install it on Mac OS X 10.1… --- ## [Has any seen a corrupted MAC address on a PortServer LTS?](https://forums.digi.com/t/has-any-seen-a-corrupted-mac-address-on-a-portserver-lts/16082)
**Author:** [@gtucker](https://forums.digi.com/u/gtucker)\ **Replies:** 1\ **Last updated:** [January 14, 2016, 7:48am UTC](https://forums.digi.com/t/has-any-seen-a-corrupted-mac-address-on-a-portserver-lts/16082 "2016-01-14T07:48:24Z")
We have experienced a problem on five devices where the Cisco switch has detected a changed MAC Address and shut down the port (Port Security is enabled on the switch) The changed MAC address appears to be a single bit … --- ## [Enable Beacon superframe on Xbee (Unanswered)](https://forums.digi.com/t/enable-beacon-superframe-on-xbee-unanswered/14243)
**Author:** [@grimscorpios](https://forums.digi.com/u/grimscorpios)\ **Replies:** 5\ **Last updated:** [March 12, 2015, 11:56am UTC](https://forums.digi.com/t/enable-beacon-superframe-on-xbee-unanswered/14243 "2015-03-12T11:56:06Z")
802.15.4 states that beaconing can be enabled or disabled. Enabled uses slotted CSMA/CA, disabled uses unslotted CSMA/CA. It is carried out by the MAC sublayer. Xbee uses the 802.15.4 specification thus must have the ab… --- ## [Could not send the frame \> Special byte not escaped: 013x](https://forums.digi.com/t/could-not-send-the-frame-special-byte-not-escaped-013x/13902)
**Author:** [@hiron](https://forums.digi.com/u/hiron)\ **Replies:** 1\ **Last updated:** [December 30, 2014, 5:49am UTC](https://forums.digi.com/t/could-not-send-the-frame-special-byte-not-escaped-013x/13902 "2014-12-30T05:49:08Z")
Problem category: XCTU All Xbee were set to AP=2. XCTU on MAC OSX 10.9.5 on Console, and frames are defined. The frame generator automatically modified XBee address (high) from “0013A200” to “007D33A200”. (1) click … --- ## [Change MAC address of XBEE PRO S5?](https://forums.digi.com/t/change-mac-address-of-xbee-pro-s5/13712)
**Author:** [@zolax](https://forums.digi.com/u/zolax)\ **Replies:** 1\ **Last updated:** [October 8, 2014, 4:03pm UTC](https://forums.digi.com/t/change-mac-address-of-xbee-pro-s5/13712 "2014-10-08T16:03:48Z")
Hi, lets assume we have network of PRO S5 868 modules. There is one central node and 50 sensors. Each sensor has hardcoded address of central node (if will send to broadcast there will be no confirmation). In situati… --- ## [How do I select the router role in the OS X client?](https://forums.digi.com/t/how-do-i-select-the-router-role-in-the-os-x-client/12475)
**Author:** [@jdsimms](https://forums.digi.com/u/jdsimms)\ **Replies:** 2\ **Last updated:** [May 9, 2014, 2:46pm UTC](https://forums.digi.com/t/how-do-i-select-the-router-role-in-the-os-x-client/12475 "2014-05-09T14:46:24Z")
I’m trying to change the role of my xbee series 1 from end point to coordinator, but I do not have the option in my firm wear choices: http://cl.ly/image/3y2G3B0y3t2J I’m also at a loss for how to change it from 802 mod… --- ## [What is the command to set the MAC address of rabbit to NAPAxR(network port register)?](https://forums.digi.com/t/what-is-the-command-to-set-the-mac-address-of-rabbit-to-napaxr-network-port-register/12052)
**Author:** [@AISWARYA\_RAJ](https://forums.digi.com/u/AISWARYA_RAJ)\ **Replies:** 1\ **Last updated:** [January 21, 2014, 5:18pm UTC](https://forums.digi.com/t/what-is-the-command-to-set-the-mac-address-of-rabbit-to-napaxr-network-port-register/12052 "2014-01-21T17:18:58Z")
--- ## [Transmit request frame results in MAC ACK Failure in XBee 868.](https://forums.digi.com/t/transmit-request-frame-results-in-mac-ack-failure-in-xbee-868/11521)
**Author:** [@kmarcine](https://forums.digi.com/u/kmarcine)\ **Replies:** 1\ **Last updated:** [May 23, 2013, 11:58am UTC](https://forums.digi.com/t/transmit-request-frame-results-in-mac-ack-failure-in-xbee-868/11521 "2013-05-23T11:58:20Z")
I’m using two XBee 868 modules, API mode. After using transmit request frame with address of the other module I get MAC ACK Failure as a transmit status frame. When I use broadcast address, transmit status is ok. However…