Dell Brocade 6520 Web Tools Administrator's Guide Supporting Fabric OS v7.1.0 - Page 185
Routing Traffic, In this Routing overview
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Chapter Routing Traffic 14 In this chapter •Routing overview 157 •Viewing fabric shortest path first routing 158 •Configuring dynamic load sharing 159 •Specifying frame order delivery 160 •Configuring the link cost for a port 160 Routing overview NOTE To perform routing operations and Dynamic Load Sharing (DLS) 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 v7.0.0 and later, the supported routing policies are: • 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. • Device-Based-Routing - Device-Based Routing (DBR) is a read only option. If DBR is set in the switch, then the DBR radio button appears auto-selected and grayed out in Web Tools. Refer to the Fabric OS Administrator's Guide for more information. To optimize port-based routing, the DLS 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. Use the Routing tab of the Switch Administration window to view and modify routing information. Figure 36 on page 158 displays the Routing tab. Web Tools Administrator's Guide 157 53-1002756-01