Routing Traffic; In This Chapter; Routing Overview - Brocade Communications Systems 8 Administrator's Manual

Routing Traffic

In this chapter

Routing overview

NOTE
To perform routing operations and Dynamic Load Sharing (DSL) configurations, the EGM license
must be installed on the switch; otherwise, access to these features is denied and an error message
displays.
For Fabric OS v6.4.0, the supported routing policies are:
•
•
Refer to the Fabric OS Administrator's Guide for more information.
To optimize port-based routing, the DSL can be enabled to balance the load across the available
output ports within a domain. Exchange-based routing requires the use of DLS; when this policy is
in effect, you cannot disable the DLS feature.
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•
Routing overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
•
Viewing fabric shortest path first routing. . . . . . . . . . . . . . . . . . . . . . . . . . . 202
•
Configuring dynamic load sharing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
•
Specifying frame order delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
•
Configuring the link cost for a port. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Port-based routing - Port-based routing assigns a "static route," in which the path chosen for
traffic never changes.
Exchanged-based routing - Exchange-based routing policy is the default. Exchange-based
routing policy always employs "dynamic path selection," in which the software defines a path
based on current traffic conditions.
Chapter
16
201