Brocade Mobility Access Point System Reference Guide (Supp Manual do Utilizador descarregar pdf (Página 794)

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External routes are external to area, originate from other routing protocols (or different OSPF

processes) and are inserted into OSPF using redistribution. A stub area is configured not to carry

external routes. Each external route can be tagged by the advertising router, enabling the passing

of additional information between routers. Each external route can also be tagged by the

advertising router, enabling the passing of additional information between routers on the boundary

of the autonomous system.

The External Routes tab displays a list of external routes, the area impacted, cost, path type, tag

and type 2 cost. Cost factors may be the distance of a router (round-trip time), network throughput

of a link, or link availability and reliability, expressed as simple unit-less numbers. This provides a

dynamic process of traffic load balancing between routes of equal cost.

6. Refer to the Network Routes tab.

FIGURE 54 Access Point - OSPF Network Routes tab

Network routes support more than two routers, with the capability of addressing a single physical

message to all attached routers (broadcast). Neighboring routers are discovered dynamically using

OSPF hello messages. This use of the hello protocol takes advantage of broadcast capability. An

OSPF network route makes further use of multicast capabilities, if they exist. Each pair of routers

on the network is assumed to communicate directly.

The Network Routes tab displays the network name, impacted OSPF area, cost, destination and

path type.

7. Select the Router Routes tab.

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