HP StorageWorks 2/64 HP StorageWorks Fabric OS 5.x Advanced Web Tools Administ - Page 71

Routing traffic, Introducing routing

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6 Routing traffic This chapter contains the following information: • Introducing routing, page 71 • Displaying FSPF routing, page 72 • Configuring a static route, page 72 • Enabling and disabling dynamic load sharing, page 73 • Specifying frame order delivery, page 73 • Configuring link cost, page 74 Introducing routing For Fabric OS 5.x, the supported routing policies are: • Port-based • Device-based (4Gb SAN Switch for HP p-Class BladeSystem and SAN Switch 4/32 only) • Exchanged-based (4Gb SAN Switch for HP p-Class BladeSystem, SAN Switch 4/32, and 4/256 SAN Director only) For the 4Gb SAN Switch for HP p-Class BladeSystem, SAN Switch 4/32, and 4/256 SAN Director, the exchange-based routing policy is the default. Using port-based routing, you can assign a static route, in which the path chosen for traffic never changes. In contrast, device-based and exchange-based routing policies always employ dynamic path selection, in which the software chooses a path based on current traffic conditions. See the HP StorageWorks Fabric OS 5.x administrator guide for more information. To optimize port-based routing, the dynamic load sharing (DLS) feature can be enabled to balance the load across the available output ports within a domain. Device-based and exchange-based routing require the use of DLS; when these policies are in effect, you cannot disable the DLS feature. To configure routing policies, you must use the CLI. After the routing policies are configured, you can use Advanced Web Tools to display the routing paths, configure static routes, and configure routing parameters, such as DLS, frame order delivery, and link cost. The Routing tab of the Switch Admin module displays routing information. Figure 23 shows the Routing tab when the port-based routing policy is enabled. When a device-based or exchange-based routing policy is enabled, the interface is different: the Static Route information and the DLS radio buttons are not displayed. Fabric OS 5.x Advanced Web Tools administrator guide 71

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Fabric OS 5.x Advanced Web Tools administrator guide
71
6
Routing traffic
This chapter contains the following information:
•
Introducing routing
, page 71
•
Displaying FSPF routing
, page 72
•
Configuring a static route
, page 72
•
Enabling and disabling dynamic load sharing
, page 73
•
Specifying frame order delivery
, page 73
•
Configuring link cost
, page 74
Introducing routing
For Fabric OS 5.x, the supported routing policies are:
•
Port-based
•
Device-based (4Gb SAN Switch for HP p-Class BladeSystem and SAN Switch 4/32 only)
•
Exchanged-based (4Gb SAN Switch for HP p-Class BladeSystem, SAN Switch 4/32, and 4/256
SAN Director only)
For the 4Gb SAN Switch for HP p-Class BladeSystem, SAN Switch 4/32, and 4/256 SAN Director, the
exchange-based routing policy is the default.
Using port-based routing, you can assign a
static route
, in which the path chosen for traffic never
changes. In contrast, device-based and exchange-based routing policies always employ
dynamic path
selection
, in which the software chooses a path based on current traffic conditions. See the
HP
StorageWorks Fabric OS 5.x administrator guide
for more information.
To optimize port-based routing, the dynamic load sharing (DLS) feature can be enabled to balance the
load across the available output ports within a domain. Device-based and exchange-based routing
require the use of DLS; when these policies are in effect, you cannot disable the DLS feature.
To configure routing policies, you must use the CLI. After the routing policies are configured, you can use
Advanced Web Tools to display the routing paths, configure static routes, and configure routing
parameters, such as DLS, frame order delivery, and link cost.
The Routing tab of the Switch Admin module displays routing information.
Figure 23
shows the Routing
tab when the port-based routing policy is enabled. When a device-based or exchange-based routing
policy is enabled, the interface is different: the Static Route information and the DLS radio buttons are not
displayed.