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3.9. LAN

51

Table 3.16: LAN Configuration Parameters

Parameter Destination address

# 19

Description This is an array of destination address, each 13 bytes long. The first byte in bits 0-3 is the index into the array, you put the index here when you set the value, and that index gets set. This index comes from the alert policy entry destination field defined in table 3.38. Destination 0 is special and used by the Alert Immediate command as described in section 3.13.5. The fields are:

byte 0 bits 0-3 - The index into the array

bits 4-7 - reserved byte 1 The address format:

bits 0-3 - The address type, 0h is the only valid value, speci-

byte

fying IP. bits 4-7 - reserved 2 Gateway selector

bit

  • 0

    0

  • -

    use

the

default

gateway

bytes

  • 0

    - use the backup gateway

bits 1-7 - reserved 3-6 The IP address to send the

alert

to

when

using

this des-

tination, in network order. bytes 7-12 The Ethernet MAC address to using this destination, in network order.

send

the

alert

to when

OEM

192+

Parameters 192 to 255 are OEM parameters. The rest of the parame- ters are reserved.

3.9.2

ARP control

TBD - write this, include command, talk about config table entries.

3.9.3

LAN Messaging

TBD - write this, describe the formatting of LAN messages

3.9.4

OpenIPMI

LAN

Configuration

OpenIPMI has some support for handling the LAN configuration. This is defined in the ipmi_lanparm.h include file; it has all the details on how to use this. To configure the LAN parameters for a BMC, you must first allocate a lanparm structure with:

i n t i p m i _ l a n p a r m _ a l l o c ( i p m i _ m c _ t unsigned int ipmi_lanparm

_

*mc, channel, t **new_lanparm);

The channel is the IPMI channel number of the LAN port you are configuring. Generally, if a server has more than one port, it will have a separate channel for each port, you will have to find the channel numbers from the manufacturer, although channels 6 and 7 are commonly used as the LAN channels.

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