HP Network Teaming Virtual Miniport Driver
I have updated the NIC drivers and teaming software (as well as all the system . HP BLc g6 servers with Virtual Connect Ethernet. Teamed Missing: Miniport. commonly referred to as a Virtual Network Adapter. The purpose of .. Adapter Teaming: the Miniport layer, Intermediate layer, NDIS layer, and Protocol layer. The package provides the installation files for HP Network Teaming Virtual Miniport Driver version If the driver is already installed on.
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HP Network Teaming Virtual Miniport Driver
By binding two or more drivers corresponding to two or more ports of physical NICs, data can be transmitted and received through one of the two or HP Network Teaming Virtual Miniport ports in the case of an NFT team, or transmitted through all of the two or more ports and received through one for a TLB team, with protocol stacks interacting with what appears to be only one logical device.
A fault tolerant team is typically used when throughput of a single NIC port is sufficient but fault tolerance HP Network Teaming Virtual Miniport important. For example, the teaming driver simply chooses the team member located in the lowest numbered slot as the primary member. Assignment of the primary can also be accomplished by a user manually dictating the choice to the teaming driver through the GUI.
Accordingly, the primary member transmits and receives all packets on behalf of the team. If the active link such as L1 fails or is disabled for any reason, the computer system can detect the failure and switch to one of the secondary links by rendering to the active and primary link of the team while placing the failed link L1 in failed mode, designated as a HP Network Teaming Virtual Miniport resource.
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In the absence of failovernormal teaming operation continues. If the protocol wants multicast trafficthe protocol generates the IGMP join.
Otherwise normal teaming operation continues If failover occurs and the old primary maintains a linkthen the NTID transmits an IGMP leave on the old primary for all multicast addresses in the table, transmits IGMP joins HP Network Teaming Virtual Miniport the new primary for all multicast addresses in the table, and transmits an IGMP join out the current primary before continuing normal teaming operation If failover occurs and the old primary does not maintain a link, then the NTID transmits IGMP joins out the new primary for all multicast addresses in the table, and transmits an IGMP join out the current primary before continuing normal teaming operation In a condition of multicast application shutdownthe protocol generates an IGMP leave, and the NTID receives a leave from the protocol, deletes the multicast IP address from the table if already present, and transmits an IGMP join out the current primary before continuing normal teaming operation Various embodiments and aspects of a method for failover of HP Network Teaming Virtual Miniport traffic flows in a computer system using Network HP Network Teaming Virtual Miniport Controller NIC teaming can be implemented.
For example, redundant Internet Protocol IP Multicast traffic flow can be created on a group of physical ports by virtualizing the group of physical ports into a single virtual Network Interface Controller NIC and validating network connectivity in a logical group that includes one or more of the physical ports in the virtualized group. In response to failure of a physical port that is actively receiving on an IP Multicast traffic flow, failover of the actively received IP Multicast traffic flow is instigated and directed to a physical port in the logical group that maintains validated network connectivity.
In some conditions or embodiments, network connectivity in the logical group can be validated by tracking membership of physical ports in the logical group on a per Multicast flow basis. Similarly, network connectivity in the logical group can be validated by maintaining a list of Multicast Internet Protocol IP addresses at which the Multicast flow is received.
Failover of the actively received IP Multicast traffic flow can be instigated by communicating a request to assign the IP Multicast traffic flow from a first physical port to a second physical port. Response to failure of a physical port can comprise communicating a general query that requests an IP stack to send an IGMP join message and HP Network Teaming Virtual Miniport an IP Multicast traffic flow to be received.
In some configurations, the request can be communicated using IGMP. IGMP join messages elicited by the general query are received and transmitted to a switched network.
A particular example embodiment of a failover method includes monitoring or tracking traffic information to determine a suitable failover response. In response to failover, one or more IGMP reports are sent out a primary aggregation group.
The IGMP reports contain a list of joined multicast streams. Joined groups are retained on non-primary aggregation groups. The multicast streams can be joined on a new primary aggregation group before failover from a previous aggregation group.
NIC Teaming traffic stats
After failover, one or more leave group message can be sent from the previous primary aggregation group, ensuring termination of the multicast streams. In another embodiment of a failover method, in the event of a failover condition, link connectivity is determined.
For a connected HP Network Teaming Virtual Miniport, one or more IGMP Leave Group messages are sent so that multicast streams to ports outside the new primary aggregation group are terminated. For a disconnected link, an indication directed to the previous primary aggregation group is sent showing an IGMP Leave Group message is pending.