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Why does the BES-53248 switch present 2 MAC addresses at its service port?

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metrocluster
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Applies to

  • Broadcom BES-53248 switch

Answer

The second MAC and eventually a DHCP-assigned IP belong to the switch BMC (Baseboard Management Controller).
 
  • The following output provide more information regarding the BMC:
 
(switch1) #show environment

Baseboard Management Controller Present........ Yes
Baseboard Management Controller MAC Address.... C0:18:51:59:13:C9
Baseboard Management Controller IP Address..... 10.10.10.10
...
 
  • The following outputs provide more information regarding the service port settings:
 

(switch1)#show serviceport

Interface Status............................... Up
IP Address..................................... 10.10.10.11
Subnet Mask.................................... 255.255.255.0
Default Gateway................................ 10.10.10.1
...
Burned In MAC Address.......................... B4:A9:FC:A9:DF:68

(switch1)#show running-config

...

hostname "switch1"
serviceport protocol none
serviceport ip 10.10.10.11 255.255.255.0 10.10.10.1
...

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