8-Port Gigabit (PoE+) Ethernet Smart Managed Pro Switch with (2 SFP or 2 Copper Ports and)
Cloud Management
Configure System Information User Manual110
The SNMPv3 Access Mode field is a read-only field that shows the access privileges for
the user account. Access for the admin account is always Read/Write. Access for all
other accounts is Read Only.
7. To enable authentication, select an Authentication Protocol radio button.
You can select the MD5 radio button or the SHA radio button. With either of these
options, the user login password is used as SNMPv3 authentication password. For
information about how to configure the login password, see
Change the local device
password for the local browser interface on page 298.
8. To enable encryption:
a. Select the Encryption Protocol DES radio button to encrypt SNMPv3 packets using
the DES encryption protocol.
b. In the Encryption Key field, enter an encryption code of eight or more alphanumeric
characters.
9. Click the Apply button.
Your settings are saved.
Configure Link Layer Discovery Protocol
The IEEE 802.1AB-defined standard, Link Layer Discovery Protocol (LLDP), allows stations
on an 802 LAN to advertise major capabilities and physical descriptions. A network manager
can view this information to identify system topology and detect bad configurations on the
LAN.
LLDP is a one-way protocol without any request/response sequences. Information is
advertised by stations implementing the transmit function, and is received and processed by
stations implementing the receive function. The transmit and receive functions can be
enabled or disabled separately per port. By default, both transmit and receive are disabled on
all ports. The application is responsible for starting each transmit and receive state machine
appropriately, based on the configured status and operational state of the port.
The Link Layer Discovery Protocol-Media Endpoint Discovery (LLDP-MED) is an
enhancement to LLDP with the following features:
• Autodiscovery of LAN policies (such as VLAN, Layer 2 priority, and DiffServ settings),
enabling plug and play networking.
• Device location discovery for creation of location databases.
• Extended and automated power management of Power over Ethernet endpoints.
• Inventory management, enabling network administrators to track their network devices
and determine their characteristics (manufacturer, software and hardware versions,
serial/asset number).
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