3Com corebuilder 3500 Implementation Manual page 413

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Export Example 2: Prohibit Advertisement of Static Address

The policy defined in Table 53 prohibits a router from advertising any

static route originating from router 131.141.127.7.

Table 53 Export Policy to Reject Static Routes

Policy Field

Origin protocol

Source address

Route address

Policy action

Administrative weight

Although the router can learn all static routes that originate from router

131.141.127.7, this policy prohibits any of those routes from being

placed in external link advertisements.

Export Example 3: Prohibit Advertisement of RIP Routes

The policy defined in Table 54 prohibits an autonomous system boundary

router from advertising imported RIP route 138.140.9.0 originates from

router 131.141.126.9.

Table 54 Export Policy to Reject RIP Routes

Policy Field

Origin protocol

Source address

Route address

Route subnet mask

Policy action

Administrative weight

Although the router can add the 138.140.9.0 route to its routing table,

this policy prohibits the boundary router from migrating the route from its

routing table to its link state database. As a result, the route is not

propagated over the network.

131.141.127.7

131.141.126.9

255.255.255.0

OSPF Routing Policies