Enterasys Networks Enterasys Matrix 6H352-25 - Manual (Page 19)

Connectivity
Introduction 1-3
1.1 CONNECTIVITY
The 6H352-25 connects to Ethernet networks or workstations through the front panel connectors.
The ports support Unshielded Twisted Pair (UTP) cables with an impedance between 85 and 111
ohms at lengths up to 100 meters. The ports are IEEE 802.3 10BASE-T and 100BASE-TX
compliant.
1.2 OPTIONAL HSIMs AND VHSIMs
Optional HSIMs and VHSIMs are available from Enterasys Networks for additional connectivity
to various networking technologies. The HSIMs and VHSIMs available for the 6H352-25 are
listed in the Release Notes shipped with the module.
1.3 RUNTIME IP ADDRESS DISCOVERY
This feature enables the 6H352-25 to automatically accept an IP address from a Boot Strap
Protocol (BootP) server on the network without requiring a user to enter an IP address through
Local Management.
When the 6H352-25 is connected to the network and powered up, Runtime IP Address Discovery
(RAD) checks the module for an IP address. If one has not yet been assigned (module IP address
set to 0.0.0.0), RAD checks to see if any of the module interfaces have a link. If a link is
discovered, RAD sends out Reverse Address Resolution Protocol (RARP) and BootP requests to
obtain an IP address from a BootP server on the network.
The RAD requests start at an interval of one per second. The interval then doubles after every
transmission until an interval of 300 seconds is reached. At this point, the interval remains at 300
seconds. The RAD requests continue until an IP address is received from a RARP or BootP server,
or an IP address is entered using Local Management.
NOTE: The 6H352-25 will reboot after RAD is successful.