Hitachi Compute Blade 500 Series User Manual page 64

Logical partitioning manager
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Figure 1-33 Promiscuous Mode with Bridge Function of OS
Port 1 of both Virtual Network Switch forwards all packets by setting
promiscuous mode to "Through". Therefore External Network-1 and
External Network-2 can communicate each other.
When Guest OS rewrites the MAC address.
When Guest OS rewrites the MAC address, make sure to set the
promiscuous mode to "Through" for the internal virtual switch of LPAR
manager connected to the guest OS. The following figure shows how to
transfer a packet when the MAC address is changed in the guest OS
– When the promiscuous mode is not set to through, port3 of the virtual
LAN switch 1a transfer packets only for the former MAC address of LPAR3
NIC 1a and cannot communicate with external nodes.
Figure 1-34 Restricted Mode on VLAN Switch
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LPAR manager Functions
Hitachi Compute Blade 500 Series Logical partitioning manager User's Guide

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