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Bosch Building Technologies Community

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    Security: Video

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    100% helpful (1/1)
    ‎11-07-2018 08:31 PM
    MTU and MSS     MTU stands for "Maximum Transmission Unit." MTU is a networking term that defines the largest packet size that can be sent over a network connection. The MTU is typically limited by the type of connection, but may sometimes be adjusted IT network settings. The typical value of the Network MTU is 1514 Byte. If a system sends packets over an Ethernet network that are larger than this size, the data will be fragmented into smaller packets. When referring to Ethernet MTU this includes 4 Byte checksum. The  1514 Byte is the interface MTU without the Ethernet Checksum. In cae there are limitations by the type of connection, the packets will then need to be reassembled on the receiving side (e.g. Bosch video management software or Bosch hardware decoder). However, it can be beneficial to optimize the packet size on the sender side (e.g. IP camera) to the exisitng network infrastructure. As MTU maximum packet size is layer 1 related, the IP MTU that you can be adjusted at the BOSCH device configuration (Configuration Webpages or with the help fo BOSCH configuraiton software like "Configuraiton Manager"). The BOSCH GUI refers to this as “Network MTU”. BOSCH products can manage fragmented data. MSS stands for "Maximum Segment Size" The MSS value is calculated from the MTU. MSS = MTU – (layer 3 TCP header [20 Byte] + Layer 2 IP header [20 Byte]+ Layer Ethernet 1 [6+6+2 = 14 Byte]) For example looking at CPP 6 Platform – like FLEXIDOME IP panoramic 7000 MP in Firmware version 6.50.0128 you can adjust and find the following values: Network MSS (in Byte) - default value = 1460 iSCSI MSS (in Byte) – default = 1460 Network MTU (in Byte) – default = 1514   MTU and MSS can be adjusted at all released firmware versions 4.x and later. CPP-ENC CPP3 CPP4 CPP5 CPP6 CPP7 CPP7.3 yes x x x x x x x No               Here some screenshots as example based on Firmware 06.50.0128  
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    100% helpful (1/1)
    ‎10-31-2018 02:34 PM
    Combined firmware package 6.50 – applicable to all platforms The Release Letter of the combined firmware package for all platforms 6.50.0620 provides information about the dependencies between firmware versions for a better understanding of the upgrade process of devices with older firmware. CCP4 and CPP6 devices: Due to an internal file system being introduced to CPP4 and CPP6 since firmware 6.10 and architectural changes thereof, a direct upgrade from firmware below version 6.10 to latest firmware is only possible via intermediate firmware 6.1x. CPP4 cameras with firmware versions below 6.10 need to upload this package twice. For example, when having firmware 5.92 on a CPP4 device, you need to load the CPP all common firmware file two times: >  First time this is loaded the device will be updated to the 6.11.0021 which is part of the common file. >  Second time you load the common firmware file, the update to 06.50.0128 will be performed. CPP6 cameras with firmware versions below 6.10 need to upload the separate firmware version 6.1x first to receive the latest firmware version. This means that intermediate firmware version 6.1x for CPP6 needs to be requested from your technical support. A support ticket to Level 3 team at MKP PRM group via the support ticket system is needed. In case we see a high demand for that a new combined firmware file might be created by PRM. Only after receiving and uploading firmware 6.1x, you can upload combined firmware package for all platforms 6.50.0620 or CPP6 specific firmware  6.50.0128.  CPP5 devices: This combined firmware cannot be applied to CPP5 products with firmware version older than 5.91. It is required to upgrade to intermediate firmware 5.91 first This means that intermediate firmware version 5.91 for CPP5 needs to be requested from your technical support. Only after receiving and uploading firmware 5.91, you can upload combined firmware package for all platforms 6.50.0620 or CPP5 specific firmware  6.30.0059. Note: Upgrading from versions lower than 5.5x To upgrade to a newer firmware version using this combined firmware package, firmware versions before 5.5x require an intermediate update cycle using the respective platform firmware version mentioned above. Restrictions: This firmware and its included platform firmware builds are not applicable to MPEG-4 products. The final firmware version for VIP-X1600-XFM4 modules is FW 5.53. No newer firmware will be provided for these modules. Configuration Manager cannot upload this Combined Firmware file to VIP-X1600-XFM4 modules. Use the module’s web page instead for uploading; or use the separate firmware file. The final firmware version for CPP3 devices is FW 5.74. No newer firmware will be provided for these products. The Combined Firmware file does not load onto VG4 AUTODOME or AUTODOME Easy II via the browser when running a firmware version before 5.52.0017. The specific platform file should be used instead. (Note: In case any link might not work to the current DownloadStore, see attached a copy PDF of the Release Letter.) How to get and request a BOSCH Legacy Firmware: The procedure to request and get an legacy firmware that is no longer online in the web is as follows: Customers are kindly requested to reach out to the local BOSCH Support (L1 and L2 team). Bosch Level 2 will ask for the exact BOSCH Commercial Type Number (CTN). The local BOSCH team can check the Global End of service date. The project background (How many of these devices/cameras) need to be collected.  The relevant BOSCH Technical Support (e.g. Level 2) can explain and check if there is the chance to update the project and included management software in order to be able to use the latest BOSCH device firmware as the goal is to have a non-vulnerable product in productive environments. In case there is no newer firmware available (hardware was discontinued), a commercial hardware upsell can be recommended. In general all firmware that is not available on the product catalog, and for all firmware files that are ranked to have vulnerabilities, this need to be documented in a Technical Support case. In case legacy firmware is anyhow needed and requested by our customers, the Bosch Technical support will start an approval flow. The BOSCH Level 3 Technical Support will provide a form/document that must be signed by the installer/endcustomer. See an example PDF (empty) "Example_Aged_Software_Release_form.pdf" attached to this article. Such a form will be prepared by the BOSCH Level 3 Technical support team and provided to our customer/installer in order to confirm that legacy firmware is then used on the risk of the installer and customer (See text and legal note in the PDF). In the future BOSCH plan to introduce and setup a self-service portal for all customers to simplify this process. ___________________________________________________________________________ The above mentioned combined firmware 6.50 supports: CPP7.3 HD and UHD cameras update from FW 6.40 or newer to latest FW 6.50 CPP7 UHD cameras update from FW 6.30 or newer to latest FW 6.50 CPP6 UHD cameras update from FW 6.10 or newer to latest FW 6.50 CPP5 encoders update from FW 5.91 or newer to latest FW 6.30 CPP4 HD cameras update from FW < 6.10 to intermediate FW 6.11 update from FW 6.10 or newer to latest FW 6.50 CPP3 cameras and encoders update from FW 4.54.0026 or newer to latest FW 5.74 CPP-ENC VIP-X1600-XFM4 encoders: update from FW 4.2x or newer to latest FW 5.53 VJT XF and VJD-3000 update to latest FW 5.97 The combined firmware package includes the following build versions: CPP7.3 FW 6.50.0128 CPP7 H.264 6.50.0128 CPP6 H.264 6.50.0128 CPP5 H.264 6.30.0059 CPP4 H.264 6.50.0128 CPP4 H.264 6.11.0021 CPP3 H.264 5.74.0010 CPP-ENC H.264 5.97.0005 for VJT XF family, VJD-3000 and VJC-7000 CPP-ENC H.264 5.53.0004 for VIP X1600 XFM4 For detailed description please refer to the separate release letters. Customers can upload such combined firmware packages by using multi-select in the Configuration tool "BOSCH Configuration Manager" (currently available in version 06.01.0157 at the BOSCH DownloadStore or Product catalog > Video Software > Video Management Systems > Configuration Manager) When using the multi-select option in Configuration Manager, please make sure this combined firmware package for all platforms can be uploaded to all the devices selected and there are no additional requirements or intermediate steps needed for any of the devices in question. This article has status of 31st of October 2018 and changes in this procedure might be introduced. When changes are done, then this article will be updated. Therefore check this article from time to time.
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    100% helpful (2/2)
    ‎10-16-2018 06:35 PM
    Introduced Firmware signature and firmware file encryption to protect IP cameras
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    ‎08-27-2018 12:05 PM
    RTSP and multicast streaming
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