Infinet Wireless: Technical Documentation
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Table of Contents

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  • Filters are viewed in order from less to more general.
  • First are considered filters related to specific interface addresses; then, to specific interfaces; then the general ones.
  • Individual rules in the tables are ordered according to the same principle: from the smallest networks to the biggest ones, from the more detailed information to the more general.
  • By default (when no filters are specified), all routes with their natural metrics are imported and exported.
  • If at least one prohibiting filter is enabled, all the rest is assumed as permitted.
  • If at least one permitting filter is enabled, all the rest is assumed as prohibited. Therefore, if you have started with a permitting filter, you must continue with permitting filters up to the end. If you have prohibited something, only that particular thing will be prohibited.
  • If for a given network a permitting and a prohibiting filter are simultaneously enabled, then the prohibiting filter will take priority.
  • To each network / subnet will be applied filters of only one group having the highest priority.

Examples

Enable RIP-1 version and disable RIP-2 for interface import.

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rip IFNAME v1in -v2in

Limit nodes number through which routing information is exchanged. Information will be sent only though interfaces "10.1.2.3", "10.4.5.6" and all from "192.168.1.0/16" range.

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rip rf5.0 peer 10.1.2.3  10.4.5.6  192.168.1.0/16

Set the filter for a whole protocol and all interfaces.

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rip export all

Set the filter for the "eth0" network interface.

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rip eth0 export all

Set the filter for "10.2.3.4" IP-address.

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rip int:10.2.3.4 export all

Permit export of all routing information, except a private networks "192.168.9.0/24", "192.168.10.0/24" and "192.168.20.0/24", and the default route.

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rip noexport 192.168.9.0/24  192.168.10.0/24  192.168.20.0/24
rip noexport default
rip export all

Delete part of the filter created before.

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rip noexport 192.168.9.0/24  192.168.10.0/24  192.168.20.0/24 del

A route metric values are explicitly specified in exporting/importing filters.

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rip import 192.168.9.0/24 metric 5
rip export 192.168.9.0/24 metric 7

Original metrics values of all routes will be increased by 2.

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rip export all +metric 2
Note
titleNOTE

When specifying relative metrics change, the resulting value shall never become less than 2 or more than 13.

Forbid the import of the "10.0.0.0" network, but the import of the subnetworks is permitted.

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rip noimport 10.0.0.0/255.0.0.0 exact