Setting Description
LAN Speed
(under General Settings in the local interface)
Specifies whether to use
10 Mbps, 100 Mbps, or
1000 Mbps for the LAN speed. Note that the switch
must support the speed you choose. If you enable the
Autonegotiation setting, this setting is read-only.
Duplex Mode
(under General Settings in the local interface)
Specifies the duplex mode to use. Note that the switch
must support the speed you choose. If you enable the
Autonegotiation setting, this setting is read-only.
Ignore Redirect Messages
Enables the system to ignore ICMP redirect messages.
Poly recommends that you enable this setting in most
circumstances.
ICMP Transmission Rate Limit (millisec)
Specifies the minimum number of milliseconds between
transmitted packets. Enter a number between 0 and
60000. The default value of 1000 means the system
sends 1 packet per second. If you enter 0, the system
disables the transmission rate limit.
This setting applies only to “error” ICMP packets. This
setting has no effect on “informational” ICMP packets,
such as echo requests and replies.
Generate Destination Unreachable Messages Generates an ICMP Destination Unreachable message
if the system can’t deliver a packet to its destination for
reasons other than network congestion.
Respond to Broadcast and Multicast Echo Requests
When enabled, your system sends an ICMP Echo Reply
message in response to a broadcast or multicast Echo
Request that isn’t specifically addressed to the system.
3. Select Save.
LLDP and LLDP-MED Support
Link Layer Discovery Protocol (LLDP) and Link Layer Discovery Protocol Media Endpoint Discovery
(LLDP-MED) are supported on your system. LLDP is a vendor-neutral link layer protocol in the
Internet Protocol Suite used by network devices to advertise their identity and capabilities on an IEEE
802 local area network (LAN). This protocol runs over the data-link layer only, allowing connected
systems running different network layer protocols to discover information about each other. LLDP-
MED is an extension of LLDP.
Examples of applications that use information discovered by LLDP include:
● Network topology - A network management system (NMS) can accurately represent a map of the
network topology.
● Inventory - A management system can query a switch to learn about all the devices connected to
that switch. The LLDP protocol is formally specified in standards document IEEE 802.1AB.
LLMP-MED Information Discovery
LLDP-MED enables the following information discovery for your systems:
● Auto discovery of LAN policies enabling plug and play networking
● Inventory management, which allows network administrators to track their network devices.
LLDP and LLDP-MED Support
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