N-tron 710FX2 Bedienungsanleitung PDF herunterladen (Seite 23)

(Revised 2012-05-01

Page 23 of 170

DHCP Client

The switch will automatically obtain an IP assignment from a DHCP Server, or optionally Fallback to a

configured IP assignment if unable to get an IP assignment from a DHCP server. Communication between

the client and server can optionally go through a DHCP Relay Agent.

DHCP Relay Agent

DHCP Relay Agent (Option 82) allows communication between the client and server to cross subnet and

VLAN boundries. It also allows for a device on a specific port to receive a specific IP address and if the

device is replaced, the replacement receives the same IP address as the original device.

DHCP Server

DHCP Server allows DHCP Client devices to automatically obtain an IP assignment. IP assignments can be

set up as a dynamic range of IP addresses available to any client device; or specific IP addresses based on

the clients MAC address, Client ID (Option 61), or Relay Agent connection (Option 82).

LLDP

Link Layer Discovery Protocol (LLDP) is a Layer 2 discovery protocol that allows devices attached to an

IEEE802 LAN to advertise to other devices the major capabilities they have and to store information they

discover in a MIB that can be accessed through SNMP. LLDP is formally described in IEEE Standard -

802.1AB.

Port Security—MAC Address Based

The Port Security feature restricts access to the switch by only accepting dynamically learned MAC

addresses and manually entered MAC addresses as authorized. Dynamically learned MAC addresses are

those that the switch detects on any port while in ‘Learning’ mode. A manually entered MAC address must

designate the ports that the address is authorized on. A non-authorized MAC address will be discarded and

will be shown on the intruder log.

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N-tron 710FX2 Bedienungsanleitung Seite 23