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Configuring SAN Port Channels
• You can create a SAN port channel with members that are TE-ports, as shown on the right side of the
figure below. In this configuration, the port channel implements a logical EISL (carrying traffic for
multiple VSANs).
Figure 21: Port Channels and VSAN Trunking
• Port channel interfaces can be channeled between the following port sets:
• Trunking permits traffic on multiple VSANs between switches.
• Port channels and trunking can be used between TE ports over EISLs.
Understanding Load Balancing
Load-balancing functionality can be provided using the following methods:
• Flow based—All frames between source and destination follow the same links for a given flow. That
is, whichever link is selected for the first exchange of the flow is used for all subsequent exchanges.
• Exchange based—The first frame in an exchange is assigned to a link, and then subsequent frames in
the exchange follow the same link. However, subsequent exchanges can use a different link. This method
provides finer granularity for load balancing while preserving the order of frames for each exchange.
OL-30895-01
◦ E ports and TE ports
◦ F ports and NP ports
◦ TF ports and TNP ports
Cisco Nexus 5500 Series NX-OS SAN Switching Configuration Guide, Release 7.x
Information About SAN Port Channels
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