HP Integrity rx2800 HP Integrity Network Adapter Teaming Whitepaper - Page 74
Switch, Redundancy, Transmit Load, Balancing, No Receive, Load Balancing
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Figure 4-18 TLB does not provide receive load balancing HP Network Adapter Team NIC 1 (A) PRIMARY NIC 2 (B) SECONDARY (TLB) 1.1.1.1 NIC 3 (C) SECONDARY NIC 4 (D) SECONDARY HP Integrity Server Switch Switch Maximum Server Bandwidth Transmit = 4000 Mbit Receive = 1000 Mbit Client ARP Table: 1.1.1.1 = A Client ARP Table: 1.1.1.1 = A Switch Redundancy Client ARP Table: 1.1.1.1 = A Client ARP Table: 1.1.1.1 = A Transmit Load Balancing No Receive Load Balancing • SLB supports transmit load balancing. SLB also supports receive load balancing due to assistance from the port trunking technology on the switch. However, SLB requires all teamed ports be connected to the same switch (refer to Figure 4-19). As a result, SLB doesn't provide switch redundancy. Figure 4-19 SLB does not provide switch redundancy HP Network Adapter Team NIC 1 (A) PRIMARY (802.3ad Or SLB) NIC 2 (A) SECONDARY NIC 3 (A) SECONDARY 1.1.1.1 NIC 4 (A) SECONDARY HP Integrity Server Port Channel Switch Maximum Server Bandwidth Transmit = 4000 Mbit Receive = 4000 Mbit Client 1 Client ARP Table 1.1.1.1 = A Client ARP Table 1.1.1.1 = A Client 2 No Switch Redundancy Client ARP Table 1.1.1.1 = A Client 3 Client 4 Client ARP Table 1.1.1.1 = A Transmit Load Balancing Receive Load Balancing Dual Channel and Dynamic Dual Channel were developed to address the predicament of having to choose inbound load balancing (SLB or 802.3ad) versus switch redundancy (NFT or TLB). 74 The Mechanics of Teaming for the Advanced User