Interconnect settings

This section applies to the Logical Interconnects and Logical Interconnect Group resources.

The following interconnect settings apply to Ethernet interconnects and do not apply to Fibre Channel interconnects.

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Description

Fast MAC cache failover

When an uplink that was in standby mode becomes active, it can take several minutes for external Ethernet interconnects to recognize that the server blades can now be reached on this newly active connection.

Enabling Fast MAC Cache Failover causes Ethernet packets to be transmitted on the newly active connection, which enables the external Ethernet interconnects to identify the new connection (and update their MAC caches).

The transmission sequence is repeated a few times at the MAC refresh interval and completes in about 1 minute.

Default value:

Enabled

MAC refresh interval

Time interval at which MAC caches are refreshed.

Data type:

Numeric; unit of measure is seconds.

Default value:

5

IGMP snooping

IGMP (Internet Group Management Protocol) snooping feature allows interconnects to analyze the IGMP IP multicast membership activities and configure hardware layer 2 switching behavior of multicast traffic to optimize network resource usage. Currently, only IGMP v1 and v2 (RFC 2236) are supported.

Default value:

Disabled

IGMP idle timeout interval

Group Membership Interval value, as specified by the IGMP v2 specification (RFC 2236).

For optimum network resource usage, set the timeout interval to match your network multicast router settings.

Data type:

Numeric; unit of measure is seconds.

Valid range: 1-3600 seconds.

Default value:

260

Required:

Yes, if IGMP snooping is enabled.

Loop protection

Loop protection, when enabled, detects loops on a downlink port and then disables the port.

Default value:

Enabled

Pause flood protection

Pause flood protection, when enabled, detects pause flood conditions on uplink ports, detects and protects pause flood conditions on server downlink ports, and disables the server downlink port.

Default value:

Enabled

LLDP tagging

LLDP tagging, when enabled, uses the management IP address of the lowest numbered Ethernet bay location in the logical interconnect. This IP address is transmitted in tagged LLDP frames on the downlink ports and untagged frames on the uplinks and stacking link ports.

Enable:

HPE OneView obtains the IPv4 and IPv6 addresses of the Virtual Connect interconnect in the lowest number bay location in the logical interconnect and advertises these addresses as the management address TLV for all the Virtual Connect interconnects in the logical interconnect.

Disable

By default, each Virtual Connect interconnect advertises its master interconnect IPv4 address in the LLDP management address TLV.

By default, each Virtual Connect interconnect advertises its master interconnect IPv4 address in the LLDP management address TLV.

Default value:

Disabled

LLDP enhanced TLV

LLDP enhanced TLV, when enabled, transmits enclosure name and serial number in the Chassis ID TLV of LLDP frames.

Default value:

Disabled

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