LevelOne GTL-2691 - Manual (Page 611)

C HAPTER 17 | IP Services
Forwarding UDP Service Requests
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P ARAMETERS
These parameters are displayed:
◆ IP Address – IP address assigned to host.
◆ MAC Address – MAC address of host.
◆ Lease Time – Duration that this IP address can be used by the host.
◆ Start Time – Time this address was assigned by the switch.
W EB I NTERFACE
To show the addresses assigned to DHCP clients:
1.
Click IP Service, DHCP, Server.
2.
Select Show IP Binding from the Step list.
Figure 370: Shows Addresses Assigned by the DHCP Server
F ORWARDING UDP S ERVICE R EQUESTS
This section describes how this switch can forward UDP broadcast packets
originating from host applications to another part of the network when an
local application server is not available.
C OMMAND U SAGE
◆ Network hosts occasionally use UDP broadcasts to determine
information such as address configuration, and domain name mapping.
These broadcasts are confined to the local subnet, either as an all hosts
broadcast (all ones broadcast - 255.255.255.255), or a directed subnet
broadcast (such as 10.10.10.255). To reduce the number of application
servers deployed in a multi-segment network, UDP helper can be used
to forward broadcast packets for specified UDP application ports to
remote servers located in another network segment.
◆ To configure UDP helper, enable it globally (see "Configuring General
DNS Service Parameters" on page 595 ), specify the UDP destination
ports for which broadcast traffic will be forwarded (see "Specifying UDP
Destination Ports" on page 612 ), and specify the remote application
servers or the subnet where the servers are located (see "Specifying
The Target Server or Subnet" on page 614 ).