Whether the corresponding firewall version number can be queried based on the SN

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The version number of the firewall cannot be queried based on the product SN because the product SN is not directly associated with the version number.

Other related questions:
Relationship between the product SN and version number
The product SN is the unique identification code of a product, and is not directly related to the product version.

How can I query the version number of TE40?
Query the version number of TE40, TE50, or TE60 of a version later than V100R001C10 as follows: Run the telnet/SSH command to connect to the TE series endpoint and run the mnt emmcVersion command.

How to view the serial number of an S series switch
Serial numbers of S series switches fall into two categories: - Equipment serial number (ESN): indicates the serial number of a switch. The ESN of a modular switch is also called the chassis serial number. - Serial number (SN) of each component: indicates the serial number of a card, subcard, optical module, power supply, or fan module. Select one of the following methods to obtain the ESN or SN of a switch or component: Method 1: View SN labels. Equipment or chassis SN: View the SN label attached to the device panel. (There is a slight difference between label locations on different models. For example, the label can locate on the front, rear, or top of the chassis.) Card serial number: View the SN label on the panel (upper-right or upper-left corner) or PCB (remove and check the card). Method 2: Run a command. Run the display elabel command to view the electronic label of each component. The BarCode field indicates the serial number. Method 3: Through the web system. When the web system is enabled on a device, view the chassis serial number through the web system. EasyOperation web system (supported only in V200R005 and later versions) Log in to a device through the web system and click Monitor on the toolbar to enter the Monitor page. You can view device information, including the chassis serial number. Web system classical version Log in to a device through the web system and click Device Summary on the toolbar to view device information, including the chassis serial number. Click the following links for details about how to query the ESN or SN of a switch or component: - For the S12700, see "Information Collection > Obtaining the Equipment Serial Number" in S12700 Troubleshooting - Preliminary . - For the S7700 and S9700, see "Information Collection > Obtaining the Equipment Serial Number" in S7700&S9700 Troubleshooting - Preliminary . - For the S1720, S2700, S3700, S5700, and S6700, see "Information Collection > Obtaining the Equipment Serial Number" in S1720&S2700&S3700&S5700&S6700 Troubleshooting - Preliminary . - For the S9300, see "Information Collection > Obtaining the Equipment Serial Number" in S9300 Troubleshooting - Preliminary . - For the S600-E, see "Information Collection > Obtaining the Equipment Serial Number" in S600-E Troubleshooting - Preliminary .

Can one extension number correspond to multiple long numbers on the U1900?
No. One short number corresponds to only one long number.

Which eSight version matches the corresponding UC solution version?
The version mapping relationship between the UC solution and eSight is as follows: UC3.0 (EC3.0): eSight Network V300R005C00SPC100 UC2.3: eSight Network V300R003C00 For details about the version mapping relationship, see the eSpace EC V300R001C00SPC200 Version Configuration Information Form .

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