Cabletron Systems MicroMMAC 22ES Installation Manual
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Contents
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Auto-Initializing the ROMsMicro-CS Installation Guide2-7microcs default:\:sm=255.255.255.0:gw=132.245.22.66:\:hn:vm=auto:to=-18000:terminator:\:ht=1:ha=00802d004879:ip=132.245.22.6:tc=microcsdefault:In the previous example:• sm is the subnet mask;• gw is the load/ dump gateway address; ht is host type (1=Ethernet);• ip is the Micro-CS’s Internet Address; ha is the Micro-CS’s hardwareaddress (Ethernet Address); and• vm is the Vendor Magic Cookie.When the Micro-CS receives a BOOTP response with the sm, gw, and ipset, it sets the respective parameters: subnet_mask,load_dump_gateway, and inet_addr. The Vendor Magic Cookie mustbe set to auto. This indicates that bootpd should respond to the client(Micro-CS in this case) with whatever format the client requests; theMicro-CS (client) always requests in the decimal dot notation format(99.130.83.99). The bootpd adds the address of the host on which it isrunning as the Server Address in the bootp response message. The ROMsuse the Server Address as the preferred load host and store it in thepref_load_addr parameter.2.5.2 Retrieving Boot Information Using RARPIf the Micro-CS does not receive a successful BOOTP response it usesRARP to get the boot information. For a successful RARP retrieval,TCP/IP must be running on a host that is on the same network as theMicro-CS and the host’s ARP table must be initialized with theMicro-CS’s Internet and Ethernet addresses (see the arp man page,arp -s).NOTEThe bootpd must be running on the Micro-CS’s preferred loadhost. |
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