HP StorageWorks MSA 2/8 HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 17

Port groupings on a SAN Switch 2/8 EL, HP StorageWorks Extended Fabric

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Introducing ISL Trunking All trunking ports must meet the following criteria: ■ All ports in the same trunking group must reside in the same quad; quads are groups of four adjacent ports that are marked in intervals on each switch. The first four ports on a switch comprise the first quad, and every group of four adjacent ports thereafter comprise another quad. Figure 1 though Figure 5 show the quads for various switch models. ■ The port speed must be set to auto-negotiate or to 2 Gbps (the default speed is auto-negotiate). ■ If Extended Fabrics is in use, the ports must be in the "L0" mode. ISL Trunking does not support the "LE", "L1", or "L2" portcfglongdistance modes. For information about these modes and Extended Fabrics in general, refer to the HP StorageWorks Extended Fabric Version 3.1.x/4.1.x User Guide. Potential trunking groups are marked on the front of the switch, according to quad location. Figure 2 shows which ports on a SAN Switch 2/8 EL belong to the same quads. Ports 0-3 Ports 4-7 Figure 2: Port groupings on a SAN Switch 2/8 EL Figure 3 shows which ports on a SAN Switch 2/16 belong to the same quads. Ports 0-3 Ports 4-7 Ports 8-11 Ports 12-15 Figure 3: Quad and port groupings on a SAN Switch 2/16 ISL Trunking Version 3.1.x/4.1.x User Guide 17

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Introducing ISL Trunking
17
ISL Trunking Version 3.1.x/4.1.x User Guide
All trunking ports must meet the following criteria:
■
All ports in the same trunking group must reside in the same quad; quads are
groups of four adjacent ports that are marked in intervals on each switch. The
first four ports on a switch comprise the first quad, and every group of four
adjacent ports thereafter comprise another quad.
Figure 1
though
Figure 5
show the quads for various switch models.
■
The port speed must be set to auto-negotiate or to 2 Gbps (the default speed is
auto-negotiate).
■
If Extended Fabrics is in use, the ports must be in the “L0” mode. ISL
Trunking does not support the “LE”, “L1”, or “L2”
portcfglongdistance
modes. For information about these modes and
Extended Fabrics in general, refer to the
HP StorageWorks Extended Fabric
Version 3.1.x/4.1.x User Guide
.
Potential trunking groups are marked on the front of the switch, according to quad
location.
Figure 2
shows which ports on a SAN Switch 2/8 EL belong to the same
quads.
Figure 2:
Port groupings on a SAN Switch 2/8 EL
Figure 3
shows which ports on a SAN Switch 2/16 belong to the same quads.
Figure 3:
Quad and port groupings on a SAN Switch 2/16
Ports 0-3
Ports 4-7
Ports 0-3
Ports 4-7
Ports 8-11
Ports 12-15