Whether the USG2000&5000 support the Telnet function

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By default, the USG2000&5000 have the Telnet function enabled, and users can directly use the initial administrator account admin to log in to the device.

Other related questions:
Whether the USG2000&5000&6000 support specifying source addresses for Telnet
The USG2000&5000&6000 series does not support specifying source addresses during telnet to other device. The local address for telneting to other devices is the IP address of the outbound interface to the destination address.

Enabling or disabling the Telnet or SSH function on the USG2000&5000
Enable or disable the Telnet or SSH function on the USG2000&5000 as follows: 1. Run the following commands in the CLI to enable or disable the Telnet or SSH function: sy [USG5100]aaa [USG5100-aaa]local-user admin service-type ? dot1x 802.1X user ftp FTP user ppp Indicate PPP user ssh SSH user telnet Telnet user terminal Terminal user web Web authentication user [USG5100-aaa]local-user admin service-type ssh web telnet As shown in the preceding method, only the SSH, web, and Telnet services are enabled for the admin account. Services can be enabled as required.

Whether the USG2000&5000 support capturing packets
You can enable the packet capture function on the USG2000&5000 as follows: 1. Configure the packet capture queue. [USG] packet-capture all-packet queue 0 interface GigabitEthernet 0/0/1 2. Enable the packet capture function. [USG] packet-capture startup manual 3. Save packets in the specified queue as file 1.cap on the device. The default directory is hda1:/. [USG] packet-capture queue 0 to-file 1.cap 4. Use FTP to download file 1.cap from the device, use the packet capture software to open the file, and analyze the captured packets. 5. Clear the packet capture queue and release the memory. After confirming that the host has completed receiving the packets, delete all packets from the queue. reset packet-capture queue 0

Whether the USG2000&5000&6000 support reflective ACLs
The USG6650 and USG5120 do not support reflective ACLs for now.

Whether the optical transceiver of the USG2000&5000 supports the DDM function
Currently, Huawei SFP+ and ESFP support digital diagnostic monitoring (DDM), and Huawei SFP does not support DDM. For example: ESFP: ------------------------------------------------------------- Common information: Transceiver Type :1000_BASE_LX_SFP Connector Type :LC Wavelength(nm) :1310 Transfer Distance(m) :10000(90um) Digital Diagnostic Monitoring :YES Vendor Name

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