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<div><span></span>If you use IPMB，two bmc need to set different IPMB i2c slave address. </div><div><br></div><div>This is not easy to do for two BMCs using the same image</div><div><br></div><div> Maybe you can use uart instead. The difficulty is that you need to write your own code to implement ipmi serialbridge.</div><div><br></div><div>Ipmitool use Like this：</div><div><br></div><div><br></div><div><div>root@bmc:/# ipmitool -I serial-terminal -D /dev/ttyS3:115200 lan print 1</div><div>Set in Progress : Set Complete</div><div>Auth Type Support : </div><div>Auth Type Enable : Callback : </div><div> : User : </div><div> : Operator : </div><div> : Admin : </div><div> : OEM : </div><div>IP Address Source : Static Address</div><div>IP Address : 10.0.0.235</div><div>Subnet Mask : 255.255.0.0</div><div>MAC Address : a0:19:b2:94:0c:03</div><div>Default Gateway IP : 10.0.0.1</div><div>Default Gateway MAC : 00:00:00:00:00:00</div><div>802.1q VLAN ID : Disabled</div><div>RMCP+ Cipher Suites : 3,17</div><div>Cipher Suite Priv Max : aaaaaaaaaaaaaaa</div><div> : X=Cipher Suite Unused</div><div> : c=CALLBACK</div><div> : u=USER</div><div> : o=OPERATOR</div><div> : a=ADMIN</div><div> : O=OEM</div><div>Bad Password Threshold : Not Available</div><div>root@bmc:/# </div><div>root@bmc:/# ipmitool -I serial-terminal -D /dev/ttyS3:115200 sdr elist</div><div>board curr | 00h | ok | 23.1 | 1.00 Amps</div><div>psu2 curr in | 01h | ok | 14.2 | 0 Amps</div><div>psu2 curr out | 02h | ok | 14.2 | 1 Amps</div><div>Pwm 1 | 03h | ok | 29.1 | 79.97 percent</div><div>Pwm 2 | 04h | ok | 29.2 | 79.97 percent</div><div>Pwm 3 | 05h | ok | 29.3 | 79.97 percent</div><div>Pwm psu2 Fan 1 | 06h | ok | 14.2 | 30.18 percent</div><div>fan1 | 07h | ns | 29.1 | No Reading</div><div>fan2 | 08h | ns | 29.2 | No Reading</div><div>fan3 | 09h | ns | 29.3 | No Reading</div><div>psu2 fan | 0Ah | ok | 14.2 | 3276 RPM</div><div>board power | 0Bh | ok | 23.1 | 192.08 Watts</div><div>psu2 power in | 0Ch | ok | 14.2 | 18.90 Watts</div><div>psu2 power out | 0Dh | ok | 14.2 | 12.60 Watts</div><div>total power | 0Eh | ok | 23.1 | 195.30 Watts</div><div>cpu 0 | 0Fh | ns | 23.3 | No Reading</div><div>pch temp | 10h | ns | 23.2 | No Reading</div><div>psu2 temp | 11h | ok | 14.2 | 33 degrees C</div><div>battery | 12h | ok | 40.1 | 3.00 Volts</div><div>board vol | 13h | ok | 23.1 | 11.98 Volts</div><div>psu2 vol in | 14h | ok | 14.2 | 218.54 Volts</div><div>psu2 vol out | 15h | ok | 14.2 | 11.98 Volts</div></div>
<blockquote style="margin-Top: 0px; margin-Bottom: 0px; margin-Left: 0.5em; margin-Right: inherit"><div> </div><div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm"><div style="PADDING-RIGHT: 8px; PADDING-LEFT: 8px; FONT-SIZE: 12px;FONT-FAMILY:tahoma;COLOR:#000000; BACKGROUND: #efefef; PADDING-BOTTOM: 8px; PADDING-TOP: 8px"><div><b>From:</b> <a href="mailto:Bala.Subramaniyan@Ltts.com">Bala Subramaniyan</a></div><div><b>Date:</b> 2024-06-20 18:43</div><div><b>To:</b> <a href="mailto:openbmc@lists.ozlabs.org">openbmc@lists.ozlabs.org</a></div><div><b>CC:</b> <a href="mailto:Thangaraj.S@Ltts.com">Thangaraj S</a>; <a href="mailto:Lalit.Kumar2@ltts.com">Lalit Kumar</a></div><div><b>Subject:</b> Help with IPMB (IPMI over I2C).</div></div></div><div><div class="FoxDiv20240626105006385810">
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Hi All,</div>
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For one of our requirement (BMC to BMC, IPMI over I2C), We're exploring with <a href="https://github.com/openbmc/ipmitool" id="LPlnk386168" title="https://github.com/openbmc/ipmitool">
IPMITOOL</a>.</div>
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Development Board: ASPEED AST2600 EVB</div>
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Could you please suggest us how to proceed further with our below requirement.</div>
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BMC to BMC (IPMI over I2C), One BMC as Master and other as slave.</div>
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Send/Receive IPMI commands through <a href="https://github.com/openbmc/ipmitool" id="LPlnk482442" title="https://github.com/openbmc/ipmitool">
IPMITOOL</a> from one BMC to other.</div>
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Send/Receive SDR, SEL logs between two BMC's.</div>
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Any help would be highly appreciated.</div>
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<b>Thanks, and regards,</b></div>
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<b>Bala Subramaniyan M,</b></div>
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