3Com CS/2500, Руководство по установке

Страница: 56 / 116

4-8 C
HAPTER
4: C
ONFIGURATION
Network Boot String Specifies the filename of the image to be downloaded from an RBCS or
TFTP/FTP server and executed. This string can be up to 128 characters
long. The default is “_cs200 “ (without the quotation marks).
If your boot protocol is System Load Protocol (SLP), do not modify the
default network boot string.
If your boot protocol is TFTP and your Address Discovery Protocol is
Local Information, you must change the default network boot string to
the complete pathname of the file you want to download. The default,
“_cs200,” is not a valid filename. The pathname you enter depends on
your UNIX
® platform or generic TFTP server. For example, the boot
string for a CS/2500 booting multiprotocol software version 6.2 from a
DOS TFTP server would be “T25V62 “ (without the quotation marks).
Boot Retries Specifies server behavior if a boot attempt fails. If you set “Try One
Time,” the server tries to boot only once. If you set “Try Forever,” the
server continues trying to boot until a suitable boot source is discovered.
Boot Protocol Determines the file transfer protocol the communications server uses
when it downloads software from an RBCS or generic TFTP/FTP server.
The choices are Bridge Transport Protocol (BTP), System Load Protocol
(SLP), and Trivial File Transfer Protocol (TFTP).
BTP is a 3Com proprietary load protocol. This protocol was formerly
used with 3Com Network Control Servers (NCSs). 3Com no longer
supports NCS software, and you should not select this protocol. SLP is
3Com’s implementation of the 802.1 standard System Load Protocol.
TFTP is a file transfer protocol that is part of the TCP/IP protocol suite.
If you are configuring your server to boot from an RBCS server, you can
use either SLP or TFTP. If you boot from a TFTP server, use TFTP.
If you select SLP as your boot protocol, the server uses the file specified
by Network Boot String as the boot source. You do not need to
configure additional parameters. If you select TFTP, you need to
configure several other parameters. These parameters are described in
the next section.
CS2500BookFile : Configuration Page 8 Thursday, December 11, 1997 10:44 AM