Broadcom Corporation 16215 Alton Parkway, Irvine, CA 92619-7013 Installation Notes Broadcom's Advanced Server Features Program For Netware 04/16/2004 Version 2.25 Table of Contents ================= Introduction Balance Modes and Limitations NESL Compliance Installation Using InetCfg Balance Mode Selection Loading Frame Types Hot Standby VLANs Jumbo Frames Additional Command Line Keywords Unloading Introduction ============ BASP.LAN is Broadcom's virtual ethernet driver for Netware 4.x and 5.x that provides Load-balancing, fault-tolerance, and VLAN features. These features are provided by creating teams (virtual adapters) that consist of multiple NIC interfaces. A team can consist of one to six (eight on some systems) NIC interfaces and each interface can be designated primary or standby*. All primary interfaces in a team will participate in Load-balancing operations by sending and receiving a portion of the total traffic**. Standby interfaces will take over in the event that all primary interfaces have lost their links. VLANs can be added to a team to allow multiple VLANs with different VLAN IDs to share the virtual adapter. Load-balancing and fault-tolerance features will work with any third party's NIC adapters. VLANs only work with Broadcom or Alteon NIC adapters. *Standby can only be used in Smart Load-Balance mode (See below). **In 802.3ad mode, the number of NIC interfaces aggregated is automatically determined through LACP (See below). Balance Modes and Limitations ============================= Smart Load-balance (SLB) is a protocol specific scheme and the level of support for IP, IPX, and other protocols are listed below. Load-balancing Fault-tolerance ----------------------------------------------------- IP Yes Yes IPX Yes* Yes** Other protocols No Yes** *Only outbound load-balancing for IPX. **Only for Broadcom or Alteon NICs. Alteon's driver ALT.LAN must be version 2.05b or newer released by Broadcom. Smart Load-balance (SLB) mode works with all ethernet switches without configuring the switch ports to any special trunking mode. Only IP traffic will be load-balanced in both inbound and outbound directions. IPX traffic will be load-balanced in outbound direction only. Other protocol packets will be sent and received through one primary NIC only. Fault-tolerance for non-IP traffic is only supported using Broadcom or Alteon NICs. The Generic Trunking mode requires the ethernet switch to support some form of port trunking mode (e.g. Cisco's Gigabit EtherChannel or other switch vendor's link aggregation mode). Trunking mode must be statically configured on the switch ports that are connected to the team. This mode is protocol-independent and all traffic should be load-balanced and fault-tolerant. 802.3ad mode requires the ethernet switch to support 802.3ad with LACP (Link Aggregation Control Protocol). LACP will try to configure the maximum number of NICs in the team that are compatible for link aggregation. If LACP determines that some NICs are not able to aggregate (because of some restrictive limitations or configurations on the switch), the remaining NICs that cannot aggregate will be idle. If LACP is completely disabled on the switch, then only one of the NICs in the team will be used. Some switches require the LACP ports to be in full duplex mode for them to work. LACP can be configured active or passive on the team and most switches allow active or passive selections on a per port basis. At least one side of each connection must be active otherwise the connection will never be selected for aggregation. This mode is also protocol-independent and all traffic should be load-balanced and fault-tolerant. NESL Compliance =============== For optimum fault tolerance and recovery operations, BASP.LAN relies on the NIC drivers to generate NESL (Netware Event Sevice Layer) events during link changes and other failure events. NESL is an optional feature in the ODI driver specification and not all drivers support it. For NESL events to propagate properly to BASP.LAN, ODINEB.NLM must be loaded before the NESL compliant ODI drivers. Do the following to check if a NIC driver supports NESL events. Load BASP.LAN and create a team by binding the NIC adapter to the virtual slot (See instructions and examples below). In the "Virtual Adapter X Team Members" screen of the BASP.LAN's menu interface, the Link status of all bound NIC adapters are shown. Disconnect or connect the NIC adapter's cable and the link status shown on the screen should change immediately if the NIC driver supports NESL events. Installation ============ 1. Load BASP.LAN just like a standard LAN driver with all necessary frame types for the team. BASP.LAN requires a special VSLOT parameter to specify the virtual slot. The virtual slot can be viewed as a team number and the valid range is from 1 to 4. e.g. LOAD BASP.LAN FRAME=ETHERNET_II NAME=BASP_1_EII VSLOT=1 2. Load the network drivers for the NIC adapters that will be part of the team. The frame types loaded should be the same for all adapters in the team and same as those loaded for BASP.LAN in step 1. Do not bind protocols directly to these adapters. Be sure to load ODINEB.NLM (a Novell supplied NLM) before all network drivers. e.g. LOAD ODINEB.NLM LOAD B57.LAN FRAME=ETHERNET_II NAME=B57_1_EII SLOT=1 LOAD B57.LAN FRAME=ETHERNET_II NAME=B57_2_EII SLOT=2 3. Bind BASP.LAN to the NIC adapters in the team by using a custom BASP BIND command at the console. e.g. BASP BIND BASP_1_EII B57_1_EII BASP BIND BASP_1_EII B57_2_EII Note that if there are multiple frame types loaded on the virtual and the physical adapters, it is only necessary to bind one frame type on the virtual adapter to the same frame type on the physical adapter. The other frame types will be automatically bound. Alternatively, BASP can be bound to NIC adapters like a protocol using the standard Netware BIND command. The protocol name for BASP is BASPn where n is the vslot number. e.g. BIND BASP1 B57_1_EII BIND BASP1 B57_2_EII Note that if there are multiple frame types loaded on the virtual and the physical adapters, it is only necessary to bind BASP to any one frame type on the physical adapter. The other frame types will be automatically bound. 4. Bind protocols to BASP.LAN. e.g. BIND IP BASP_1_EII ADDR=x.x.x.x MASK=x.x.x.x Note that the recommended sequence is to load BASP.LAN before the network drivers as outlined above. This allows BASP.LAN to determine the initial link state of the bound adapters without delay. Using InetCfg ============= load inetcfg.nlm <accept configuration, then - "Internetworking Configuration" window is displayed> 1 select "Board" <enter> 2 press <ins> key 3 select physical device driver, i.e. "B57" 4 press <enter> then enter name, i.e. "B57_1" 5 press <Esc> key the select "yes" to save Repeat steps 2 through 5 to configure another adapter, you may name subsequent boards "B57_2", "B57_3" etc. 6 press <ins> key 7 select virtual device driver, i.e. "BASP" 8 press <enter> then enter name, i.e. "BASP_1". In this window, Virtual slot number, Balance Mode and VLAN ID can be selected Note: 1. The first Virtual adapter (TEAM) should have Virtual slot of "1". 2. VLAN "0" (zero) is a default and this VLAN is untagged. 9 press <Esc> key, then select "yes" to save 10 scroll down to "Protocols" and press <enter> to select 11 scroll down to "User-specified Protocol" and press <enter> to select 12 press <ins> key 13 enter the name for the Protocol, i.e. "BASP1" for TEAM 1, BASP2 for TEAM 2, BASP3 for TEAM 3 and BASP4 for TEAM 4. 14 press <Esc> keys to go back to "Internetworking Configuration" window 15 select "Bindings" 16 press <ins> to configure protocol 17 select "TCP/IP" then press <enter> 18 select "A Network Interface" then press <enter> 19 select virtual adapter i.e. BASP.... 20 define IP address 21 press <Esc>, select "yes" to save Repeat steps 16 through 21 if desired to configure IPX and multiple frame types. Note: physical adapters must be configured with the same frame types as the Virtual TEAM. 22 press <ins> to bind the physical adapter to a virtual team 23 select "User-specified Protocol" 24 select "A Network Interface" 25 select a physical adapter i.e. B57..... 26 enter "BASP1" for Protocol, select desired frame type, enter special parameters if desired (please refer to B57.LAN readme.txt for parameters), and press <Esc> then select "yes" to save Note: You may use names such as "BASP1" for TEAM 1, "BASP2" for TEAM 2, "BASP3" for TEAM 3 and "BASP4" for TEAM 4. Repeat steps 22 through 26 to configure an additional physical driver, and to configure additional frame types. The configuration can be viewed at "View Configuration" - "All INETCFG Commands". Balance Mode Selection ====================== Use "MODE=SLB" for Smart Load-Balance mode, "MODE=TRUNK" for Generic Trunking mode, or "MODE=802.3AD" for 802.3ad mode. The default is SLB. e.g. LOAD BASP.LAN FRAME=ETHERNET_II NAME=BASP_1_EII VSLOT=1 MODE=TRUNK In 802.3ad mode, untagged ethernet II frame type must be loaded before LACP frames can be transmitted and received. LACP will default to active for all NICs in the team. Use the parameter "LACP=PASSIVE" to change LACP to passive mode for all NICs in the team. Note that at least one side (server or switch) must be in LACP active mode for it to work. e.g. LOAD BASP.LAN FRAME=ETHERNET_II NAME=BASP_1_EII VSLOT=1 MODE=802.3AD LACP=PASSIVE Loading Frame Types =================== After one or more NIC adapters are bound to a virtual adapter, additional frame types can only be loaded in the virtual adapter if the corresponding frame types are also loaded in the bound adapters. For example, ETHERNET_802.2 can be loaded in BASP VSLOT 1 if ETHERNET_802.2 are loaded in B57.LAN SLOT 1 and 2 in the above example. Similarly, a virtual adapter can only be bound to a physical adapter if the physical adapter has all the frame types loaded in the virtual adapter. Hot Standby =========== In Smart Load-Balance (SLB) mode, one or more NIC adapters can be designated as hot standbys. Use the keyword "STANDBY" in the BASP BIND command to indicate binding a NIC adapter as a hot standby. e.g. BASP BIND BASP_1_EII B57_1_EII BASP BIND BASP_1_EII B57_2_EII STANDBY In the above example, B57_1_EII and B57_2_EII are bound as primary and hot standby adapters respectively. Note that standby is only valid for Smart Load-Balance mode. VLANs ===== To add VLANs to a team, do the following: 1. Load BASP.LAN with the all necessary frame types and specify the VLAN ID for each frame type. You can specify a maximum of 64 VLAN IDs and each VLAN ID can be loaded up to 4 times with 4 different frame types. e.g. VLAN ID 2 for Ethernet II: LOAD BASP.LAN FRAME=ETHERNET_II NAME=BASP_1_V2_EII VSLOT=1 VLAN=2 2. Load the network drivers for the NIC adapters in the team with all the frame types specified in step 1. Note that the one or more VLAN IDs specified in step 1 do not have to be specifed when loading the network drivers. And each frame type loaded in step 1 only needs to be loaded once for each network driver even if it is loaded multiple times with different VLAN IDs in step 1. Only Broadcom and Alteon NIC adapters can be used. ALT.LAN must be version 2.05b or newer released by Broadcom and must include the keyword FORVLANS. e.g. Broadcom adapters: LOAD ODINEB.NLM LOAD B57.LAN FRAME=ETHERNET_II NAME=B57_1_EII SLOT=1 LOAD B57.LAN FRAME=ETHERNET_II NAME=B57_2_EII SLOT=2 or Alteon adapters: LOAD ODINEB.NLM LOAD ALT.LAN FRAME=ETHERNET_II NAME=ALT_1_EII SLOT=1 FORVLANS LOAD ALT.LAN FRAME=ETHERNET_II NAME=ALT_2_EII SLOT=2 FORVLANS 3. Bind BASP.LAN to the NIC adapters in the team. e.g. BASP BIND BASP_1_V2_EII B57_1_EII BASP BIND BASP_1_V2_EII B57_2_EII Note that if there are multiple VLANs (each with one or more frame types) loaded on the virtual adapter, it is only necessary to bind one frame type on one VLAN on the virtual adapter to the same frame type on the physical adapter. The other VLANs will be automatically bound. 4. Bind protocols to BASP.LAN. e.g. BIND IP BASP_1_V2_EII ADDR=x.x.x.x MASK=x.x.x.x This example creates a team with 2 adapters using VLAN ID 2. Outbound packets will be tagged with VLAN ID 2 and only similarly tagged packets will be received by the NIC adapters in the team. Additional VLANs with different VLAN IDs can be created in the same team. The Maximum number of VLANs per virtual slot is 64. The valid range of VLAN IDs is from 1 to 4094. VLAN=0 indicates the VLAN is untagged and is the default. Use decimal numbers to specifiy the VLAN ID. Jumbo Frames ============ Jumbo Frames are supported in all balance modes. The maximum frame size will be automatically set to the smallest maximum frame size of all NICs in the team. Use appropriate keywords to enable jumbo frames when loading the NIC drivers. e.g. LOAD BASP.LAN FRAME=ETHERNET_II NAME=BASP_1_EII VSLOT=1 LOAD B57.LAN FRAME=ETHERNET_II NAME=B57_1_EII SLOT=1 JUMBO=9000 LOAD B57.LAN FRAME=ETHERNET_II NAME=B57_2_EII SLOT=2 JUMBO=9000 BASP BIND BASP_1_EII B57_1_EII BASP BIND BASP_1_EII B57_2_EII Additional Command Line Keywords ================================ CHECKSUM=ON Enables BASP.LAN to offload TCP/UDP and IP checksums to the bound NIC adapters if supported. This will improve performance if some or all NIC adapters in the team support hardware checksums. Be sure to load the NIC drivers with hardware checksums enabled. e.g., a team of two BCM5700 NICs with hardware checksums enabled. LOAD B57.LAN FRAME=ETHERNET_II NAME=B57_1_EII CHECKSUM=ON SLOT=1 LOAD B57.LAN FRAME=ETHERNET_II NAME=B57_2_EII CHECKSUM=ON SLOT=2 LOAD BASP.LAN FRAME=ETHERNET_II NAME=BASP_1_EII CHECKSUM=ON VSLOT=1 BASP BIND BASP_1_EII B57_1_EII BASP BIND BASP_1_EII B57_2_EII NOSCREEN Disables the menu-driven screen when BASP.LAN is loaded for the first time. e.g. LOAD BASP.LAN FRAME=ETHERNET_II NAME=BASP_1_EII VSLOT=1 NOSCREEN GVRP Enables GVRP (Garp VLAN Registration Protocol) for the VLAN that is loaded. An untagged 802.2 frame type must be loaded in the virtual adapter and all bound physical adapters for GVRP to take effect. This is necessary because GVRP uses untagged 802.2 frames to advertise VLAN memberships. Use VLAN=0 FRAME=ETHERNET_802.2 in the LOAD command to specify untagged 802.2 frame type. e.g. LOAD BASP.LAN FRAME=ETHERNET_II NAME=BASP_1_V2_EII VSLOT=1 VLAN=2 GVRP LOAD BASP.LAN FRAME=ETHERNET_802.2 NAME=BASP_1_V2_EII VSLOT=1 VLAN=0 Unloading ========= BASP.LAN can only be unloaded from the console command line after all bound adapters in every VSLOT have been unbound.Download Driver Pack
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