User manual

CONFIDENTIAL Protium Technologies, Inc. 4050-9901
Rev No: 05
5 GHz RF Modem 31-Jan-2007 14 of 84
This document and information contained herein is subject to the restrictions set forth on the title page .
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2.2.3.4 Ethernet Data Port
The Ethernet data port requires no configuration. When the Ethernet channel is selected, the link speed is
automatically set to 128 Kbps.
The Ethernet data port attempts to transport any valid Ethernet packet it receives to the other end of the link. No
assumption is made about higher layer protocols and, in particular, there is not even the assumption that Internet
Protocol (IP) is used. The Ethernet data port needs no IP address, netmask, or default gateway.
Since the modem link is slower than the Ethernet network, packets may arrive at the port faster than they can be
transmitted across the link. In this case the modem will buffer and transmit as many packets as possible but some
packets may be lost. This is consistent with ethernet’s “best effort” deliver policy. If guaranteed delivery is
required, a higher layer protocol such as Transmission Control Protocol (TCP) will assure delivery even when
there is packet loss due to congestion or mis-matched link speeds.
2.2.4 Remote Management Port Configuration
The Ethernet Remote Management System (RMS) port is used for Simple Network Management Protocol
(SNMP), software updates, system message logging, and setting the system clock. All of these functions are
optional and, if they are unused, the port may be left un-configured and unconnected.
If any of these features are desired, it may be necessary to configure the port before it is connected to the local
network. Failure to properly configure the port may cause the port to not operate and/or interfere with the
operation of other devices on the local network.
A network configuration summary may be displayed with the netconfig command.
2.2.4.1 DHCP
The IP parameters of the interface may be automatically configured using a Dynamic Host Configuration Protocol
(DHCP) server on the local network. The DHCP server will typically configure the IP address and netmask,
default gateway, and Domain Name Servers (DNS).
To enable use of a DHCP server, use the command:
> dhcp on
To disable the use of a DHCP server, use the command:
> dhcp off
2.2.4.2 IP Address / Netmask
Each device on the local network requires a unique IP address. If the IP address and netmask are configured with
DHCP, the manual IP address and netmask are not used.
To set the IP address, use the command
> ip aaa.bbb.ccc.ddd
where aaa.bbb.ccc.ddd is the desired IP address in the usual “dotted quad” format.
To set the netmask, use the command