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Cambium Networks ePMP 1000 Software Release 3.4.1

Scope ePMP System Release 3.4 adds the following feature(s):

  • ePMP Elevate Support for 2.4 GHz Devices

    Supported 2.4 GHz devices may now be upgraded with ePMP Elevate software.
  • Smart Antenna Hot-plug Detection

    Beginning with Software Release 3.4, the ePMP 2000 Access Point unit automatically detects when the Smart Antenna is connected or disconnected (without requiring a reboot). The system detects/verifies the Smart Antenna connection status every 10 seconds.
  • Quality of Service (QoS) Statistics Reporting

    Software Release 3.4 introduces additional QoS statistics reporting in the web management interface as well as the Command Line Interface (CLI) and SNMP. On the web management interface, these statistics are reported on page Monitor -> Performance -> QoS Statistics. To retrieve statistics via CLI issue the following command: >show wireless

ePMP Release System Release 3.4.1 RELEASE SOFTWARE

Device Description Applicable Software Package
Connectorized Radio with Sync ePMP-GPS_Synced-v3.4.1.tar.gz
Integrated Radio / Connectorized Radio ePMP-NonGPS_Synced-v3.4.1.tar.gz
CNUT package (for all radios) ePMP-3.4.1.pkg3


The following software is provided with ePMP Elevate in ePMP System Release 3.4.1:
Application Description Applicable Software Package
ePMP Elevate (XM firmware devices) Use this file if upgrading an XM device to ePMP Elevate for the first time UBNTXM-ubntxm-squashfs-factory.bin
ePMP Elevate (XW firmware devices) Use this file if upgrading an XM device to ePMP Elevate for the first time UBNTXW-ubntxw-squashfs-factory.bin
ePMP Elevate (XM firmware devices) UBNTXM-v3.4.1.tar.gz
ePMP Elevate (XW firmware devices) UBNTXW-v3.4.1.tar.gz

Defects in green are resolved

Defect Fixes (System Release 3.4.1) Defects in black are open

Tracking Description / Workaround
14598 Max Registrations Allowed is reset to 10 after AP Lite upgrade from 3.3 to 3.4 with Full Capacity License Key Entered
14591 Unable to login via GUI after changing radio's IP Assignment using Firefox
14589 [Elevate 5GHz] Software Update failed for 5GHz Elevate Devices on cnMaestro
14337 Unable to set Country Code after switching from SM to AP mode
14482 Force 180/200 exhibiting reboot with 3.3 FW installed
1439914360 Error message is displayed upon Link Tests start
14611 [Elevate 2.4] "SM disassociated from AP. Reason 32/33/48" during Stability test {XW}
14613 Incorrect processing status on GUI when Link Test is failed
14609 Home User erroneously able to configure network configuration
14614 The Ping utility does not show latency if use less than 8 of 'Buffer Size'
14612 [Elevate 2.4] Link Test is not completed properly

Defect Fixes (System Release 3.4)

Tracking Description / Workaround
13955 [ePMP Elevate] Out of memory on XM during software upgrade with the GUI via https
14030 Unable to add the new AP to "Preferred APs" from "show details" view at SM/config/radio/
12893 Web management interface does not use full width on widescreen monitors
14179 SNMPD crash after changing IP Assignment (Static or DHCP)
13637 MNDP reports wrong information
14131 [IPv6] AP and SM Separate Management interface don't show obtained DHCP address on GUI without refresh

Known problems or limitations (System Release 3.4)

Tracking Description / Workaround
14591 Not able to login to the GUI after changing the IP. Works with Chrome but not with Firefox. However, once you clear the cache and cookies, it works with Firefox. (fixed in 3.4.1)
14589 Upgrade of 2.4 and 5 GHz ePMP Elevate devices to 3.4 will shows as failed when upgraded via cnMaestro. However, the devices do upgrade and a refresh on the cnMaestro screen will show that the devices are running 3.4 after a successful upgrade. (fixed in 3.4.1)
14470 [ePMP Elevate 2.4] Unexpected behaviour of Port Speed Settings
13308 [ePMP Elevate 2.4] RADIUS GUI Authentication: Authentication not functional if used RADIUS authentication method
14477 DHCP Server on SM sends host name as lease time if only digits are used for DHCP client name
14510 Unable to Export eDetect scan results in Chromium browser with AdBlock extension
14558 GUI shows error message after saving User Certificate for RADIUS Server
14458 [ePMP Elevate 2.4, XM] Cambium Elevate operating Tx Power exceeds original non­Cambium software-configured Tx Power by 1.5 - 3 dBm

Known problems or limitations (System Release 3.3)

Tracking Description / Workaround
13238 [ePMP Elevate] ePMP Elevate devices are not supported by CNUT
13346 [ePMP Elevate] Device name and network settings are not copied from original device configuration (resolved by ePMP Elevator tool)
13299 [ePMP Elevate] Not possible to configure Uplink Max Rate to any MCS except 7th on single stream devices
14016 After configuring the SM device into NAT mode and reconfiguring the WAN IP address, the Spectrum Analyzer tool is only available via previously-configured Bridge mode IP address
14030 Unable to add new AP to Preferred APs table when in "Show Details" view. As a workaround, add new APs to the table when in "Show List" view. (fixed in 3.4)
14131 [IPv6] AP and SM Separate Management Interface don't display obtained DHCP address on without manual refresh (fixed in 3.4)

Known problems or limitations (System Release 3.2.2)

Tracking Description / Workaround
13846 It is not possible to change the SM's Network configuration from Bridge to Router mode via SNMP. (fixed in 3.3)
13825 GUI indicates In-Service-Monitoring DFS status for 5-10 seconds after switching to non-DFS channel.

Known problems or limitations (System Release 3.2.1)

Tracking Description / Workaround
13783 User cannot login to GUI by DNS address if URL contains dash (-). (fixed in 3.3)
13516 [ePMP Elevate] XM hardware - Spectrum Analyzer not supported (fixed in 3.3)
13343 [ePMP Elevate] XW hardware - If an ePMP Elevate module is interrupted during an ePMP software upgrade, TFTP flash recovery of ePMP Elevate software may fail. As a workaround, load the native device software, then upgrade again to ePMP Elevate
13552 [ePMP Elevate] After changing the device management IP address, the browser may not automatically redirect to the new IP address. Workaround: Enter the new management IP address in the browser address bar. (fixed in 3.3)
13630 [ePMP Elevate] Upon downgrading from Release 3.2.1 to Release 3.2, the Remote Management parameter may be set to Disabled. Workaround: Re-enable the Remote Management parameter after downgrading from Release 3.2.1 to Release 3.2.

Known problems or limitations (System Release 3.2)

Tracking Description / Workaround
13472 [ePMP Elevate] Updates to XM hardware Ethernet port interface MAC address assignment (fixed in 3.2.1)
13289 Invalid warning appears on web management interface when Subscriber Module Target Receive Level is configured above -60 dBm (fixed in 3.2.1)
13165 SM in NAT mode with Separate Management IP and Management VLAN is not accessible by Separate Management IP address (fixed in 3.2.1)
13228 Web management interface is not accessible after an upgrade attempt with invalid software archive. Workaround: reboot the device to regain management access.
13317 eDetect may not display interfering devices at lower received/detected power levels (fixed in 3.3)
13187 Upon configuration restore, a browser refresh is required to display updated parameter values (fixed in 3.2.1)
13274 [ePMP Elevate] ePMP Elevate subscriber may disconnect under load due to hardware limitations. This disconnect is followed by an immediate re-registration. (fixed in 3.2.2)
12791 [ePMP Elevate] XM devices: When downlink RSSI is stronger than -30 dBm, the web management interface incorrectly reports RSSI of 256 dBm and SNR as 0 dB (fixed in 3.2.1)
12919 [ePMP Elevate] Rocket™ M5 (XM and XW): The web management provides options for configuring the device in AP or ePTP mode. These modes are not supported by ePMP Elevate software and should not be utilized. (fixed in 3.2.1)
13332 On occasion, after upgrading an ePMP SM to Release 3.2, the SM's web management interface may display "Board still in reboot state" or the interface may not be accessible. Workaround: reboot or power cycle the SM. (fixed in 3.3)

Known problems or limitations (System Release 3.1)

Tracking Description / Workaround
13220 Support for use of shift key to select multiple frequencies in the Scan List (fixed in 3.2.1)
13165 SM does not create static route for separate management interface (fixed in 3.2.1)
13117 ePMP 2000 device configured in SM mode reports incorrect AP frequency and does not register (fixed in 3.2.1)
12409 With rare occurrence, SM scans without registration
12709 ePMP 2000: Cannot factory default via power cycle sequence (fixed in 3.2.1)
12792 Throughput Chart: Upon changing Throughput Measurement Period, control points (hover targets) not shown (fixed in 3.2.1)
12837 With certain configurations, GPS-synched software can be loaded onto Force 200 module
12878 ePMP device reboots twice after factory default

Known problems or limitations (System Release 3.0.1)

Tracking Description / Workaround
12385 ePMP web management interface test tool Ping (Tools > Ping) does not execute with maximum buffer size (65507)
12439 ePMP devices with saved cnMaestro credentials which are not on-boarded by cnMaestro for more than 12 hours will stay in state "Device Approval Pending"
12513 Transmitter Output Power reference tables duplicated in web management interface notification

Known problems or limitations (System Release 3.0)

Tracking Description / Workaround
12794 False radar detection on DFS channel FCC1322 Type1 22 (fixed in 3.2.1)
12793 False radar detection on DFS channel FCC1322 Type1 24 (fixed in 3.2.1)
12125 When in ETSI region and 5.4 GHz band using LBT, if the SM is subjected to very high interference, it may cause a reboot with a crash signature "arqtx_rwb_from_wbuf".
11973 The "Internet" Globe icon on the top right of the GUI page may take up to 40 seconds to turn green once a DNS server has responded.
11491 When ePMP 2000 is in Standard WiFi, a Ubiquiti Nanobeam may not register. There is currently no workaround.
11406 When using 5 MHz channels on ePMP 2000 in TDD mode, TCP downlink throughput may degrade by up to 20%.

Known problems or limitations (System Release 2.6.2)

Tracking Description / Workaround
11978 When there are more than 128 entries into the Bridge Table, the table may display as an empty table.

Known problems or limitations (System Release 2.6)

Tracking Description / Workaround
10907 When in AP WiFi mode and the SM connected is an 802.11a SM, the downlink throughput can be lower by 20%. (fixed in 3.3)
10704 When editing the MAC Addresses entries in the Wireless MAC Filtering table using the configuration file upload, care must be taken to ensure MAC address format integrity. The ePMP device will not validate the format.

Known problems or limitations (System Release 2.4.3)

Tracking Description / Workaround
9951 On occasion, pings are lost when continuously pinging the SM from the AP. The ping loss can occur for a period of 30-60 seconds before it operates normally. User traffic may also be lost during this time and a reboot of the SM may be required to recover the SM.

Known problems or limitations (System Release 2.4)

Tracking Description / Workaround
8198 On occasion, stale ARP entries are not cleared from the ARP table (under Monitor>network) on the SM. The entries should be cleared in 5 minutes but it may take up to 10 minutes for them to be cleared.

Known problems or limitations (System Release 2.3.1)

Tracking Description / Workaround
7822 When the SM is in NAT mode, it's possible to configure the Separate Wireless Management IP in the same subnet as the IP of the SMs Ethernet/LAN interface. Care should be taken to configure the Separate Wireless Management IP on a different subnet for security.

Known problems or limitations (System Release 2.3)

Tracking Description / Workaround
7676 SM may not successfully obtain an IP address via DHCP if certain special characters (ex: parenthesis) are used in the Device Name of the SM.
7622 In Release 2.3, a minor enhancement was introduced where the user is able to select an AP from the SM's Available APs list (under Monitor>Wireless) and add it to the Preferred APs list (under Configuration>Radio). However the user is able to add more than 16 entries while the Preferred APs list supports a maximum of 16 entries. User will need to manually delete entries in the Preferred APs list to not exceed 16 before the configuration can be saved.(fixed in 3.2.1)
7289 On occasion, the GUI does not display data on the Monitor>Wireless Page. Workaround is to refresh/reload the browser.
7287 When ACS is run multiple times, the ACS chart (under Tools>ACS) may display prior results while the radio is operating on a channel selected by the last ACS run. Refresh the browser to see the latest chart.

Known problems or limitations (System Release 2.1)

Tracking Description / Workaround
6919 When ACS is run multiple times in a row (under Tools>Automatic Channel Selection), the ACS graph may also show the scale on the X-axis incorrectly (40MHz instead of 20MHz). Refresh the browser screen (F5 in MS Windows) to get the correct chart for the last ACS run on that page.
6801 When an ETSI license key is applied to an ePMP 5GHz ETSI locked radio, it may come up with "Generic ETSI" as country code. Perform a second reboot of the radio to load the license key.
6407 When a new user logs into the radio UI, notifications for the previously logged in user is visible. Workaround is to clear all notifications before logging out of the radio's UI.

Known problems or limitations (System Release 2.0)

Tracking Description / Workaround
5018 On rare occasion, when using Radius and the SM is under poor RF conditions, re­authentication may fail. A device reboot may be required to perform Network Entry again.

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