Export Example 4: Advertisement Of Direct Interfaces; Export Example 5: Advertisement Of Static Routes - 3Com 4007 Implementation Manual

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Export Example 4: Advertisement of Direct Interfaces

The policy defined in Table 88 configures a router to advertise direct

interface 8 as a Type 2 external metric with a cost increase of 2.

Table 88 Export Policy to Accept a Direct Interface

Policy Field

Origin protocol

IP interfaces

Policy action

Metric adjustment

Administrative weight

Suppose a routing table entry exists for interface 8 that identifies the

route as a Type 1 external metric with an associated cost of 10. This policy

configures the router to export direct interface 8 from its routing table

and write the routing interface information to its link state database as a

Type 2 external metric, with an associated cost of plus 2. As a result the

router advertises the interface over the network as a Type 2 external

metric with an associated cost of 12, overriding the external metric type

and cost that are defined for the interface in the system's routing table.

The policy defined in Table 89 configures a router to advertise all static

routes as Type 1 external metrics with a cost of 1.

Table 89 Export Policy to Accept Static Routes

Policy Field

Origin protocol

Source address

Route address

Policy action

Metric adjustment

Administrative weight

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