Brocade Mobility Access Point System Reference Guide (Supp Manual de usuario Pagina 501

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Brocade Mobility Access Point System Reference Guide 491
53-1003100-01
Chapter
7
Network configuration
The access point allows packet routing customizations and additional route resources.
For more information on the network configuration options available to the access point, refer to
the following:
Policy Based Routing (PBR)
L2TP V3 Configuration
AAA Policy
AAA TACACS Policy
Alias
For configuration caveats specific to Configuration > Network path, refer to Network Deployment
Considerations on page 7-528.
Policy Based Routing (PBR)
Network configuration
Define a policy based routing (PBR) configuration to direct packets to selective paths. PBR can
optionally mark traffic for preferential services (QoS). PBR minimally provides the following:
A means to use source address, protocol, application and traffic class as traffic routing criteria
The ability to load balance multiple WAN uplinks
A means to selectively mark traffic for QoS optimization
Since PBR is applied to incoming routed packets, a route-map is created containing a set of filters
and associated actions. Based on the actions defined in the route-map, packets are forwarded to
the next relevant hop. Route-maps are configurable under a global policy called routing-policy, and
applied to profiles and devices.
Route-maps contain a set of filters which select traffic (match clauses) and associated actions (set
clauses) for routing. A route-map consists of multiple entries, each carrying a precedence value. An
incoming packet is matched against the route-map with the highest precedence (lowest numerical
value). If it matches, the routing decision is based on this route-map. If the packet does not match
the route-map, the route-map entry with next highest precedence is matched. If the incoming
packet does not match any of the route-map entries, it’s subjected to typical destination based
routing. Each route-map entry can optionally enable/disable logging.
The following criteria can optionally be used as traffic selection segregation criteria:
IP Access List - A typical IP ACL can be used for traffic permissions. The mark and log actions in
ACL rules however are neglected. Route-map entries have separate logging. Only one ACL can
be configured per route map entry.
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